diff --git a/.github/workflows/comment_bot.yml b/.github/workflows/comment_bot.yml
new file mode 100644
index 00000000000..898394a4237
--- /dev/null
+++ b/.github/workflows/comment_bot.yml
@@ -0,0 +1,66 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+name: Arrow Comment Bot
+
+on:
+  issue_comment:
+    types:
+      - created
+      - deleted
+      - edited
+  pull_request_review_comment:
+    types:
+      - created
+      - deleted
+      - edited
+
+jobs:
+
+  debug:
+    name: Debug
+    runs-on: ubuntu-latest
+    steps:
+      - name: Event Name
+        shell: bash
+        run: echo "${{ github.event_name }} "
+      - name: Event Path
+        shell: bash
+        run: echo "${{ github.event_path }} "
+      - name: Event Payload
+        shell: bash
+        run: cat ${{ github.event_path }}
+
+      - name: Checkout Arrow
+        uses: actions/checkout@v2
+        with:
+          path: arrow
+      - uses: s-weigand/setup-conda@v1
+        with:
+          update-conda: true
+          python-version: 3.7
+          conda-channels: conda-forge
+      - run: conda --version
+      - run: which python
+      - run: |
+          conda install -y --file arrow/ci/conda_env_crossbow.txt
+      - run: |
+          pip install -e arrow/dev/archery
+      - run: |
+          archery trigger-bot --event-name ${{ github.event_name }} --event-payload ${{ github.event_payload }}
+
+
diff --git a/.github/workflows/cpp.yml b/.github/workflows/cpp.yml
deleted file mode 100644
index ae694c1e35d..00000000000
--- a/.github/workflows/cpp.yml
+++ /dev/null
@@ -1,203 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: C++
-
-on:
-  push:
-    paths:
-      - '.github/workflows/cpp.yml'
-      - 'ci/**'
-      - 'cpp/**'
-  pull_request:
-    paths:
-      - '.github/workflows/cpp.yml'
-      - 'ci/**'
-      - 'cpp/**'
-
-env:
-  ARROW_ENABLE_TIMING_TESTS: OFF
-
-jobs:
-
-  conda:
-    name: AMD64 Conda C++
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: docker-compose pull --ignore-pull-failures conda-cpp
-      - name: Docker Build
-        shell: bash
-        run: docker-compose build conda-cpp
-      - name: Docker Run
-        shell: bash
-        run: |
-          sudo sysctl -w kernel.core_pattern="core.%e.%p"
-          ulimit -c unlimited
-          docker-compose run conda-cpp
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push conda-cpp
-
-  ubuntu-sanitizer:
-    name: AMD64 Ubuntu ${{ matrix.ubuntu }} C++ ASAN UBSAN
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        ubuntu: [18.04]
-    env:
-      UBUNTU: ${{ matrix.ubuntu }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: docker-compose pull --ignore-pull-failures ubuntu-cpp-sanitizer
-      - name: Docker Build
-        shell: bash
-        run: docker-compose build ubuntu-cpp-sanitizer
-      - name: Docker Run
-        shell: bash
-        run: docker-compose run ubuntu-cpp-sanitizer
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push ubuntu-cpp-sanitizer
-
-  macos:
-    name: AMD64 MacOS 10.15 C++
-    runs-on: macos-latest
-    strategy:
-      fail-fast: false
-    env:
-      ARROW_HOME: /usr/local
-      ARROW_JEMALLOC: ON
-      # TODO(kszucs): link error in the tests
-      ARROW_DATASET: ON
-      ARROW_ORC: OFF
-      ARROW_FLIGHT: ON
-      ARROW_HDFS: ON
-      ARROW_PLASMA: ON
-      ARROW_GANDIVA: ON
-      ARROW_PARQUET: ON
-      ARROW_WITH_ZLIB: ON
-      ARROW_WITH_LZ4: ON
-      ARROW_WITH_BZ2: ON
-      ARROW_WITH_ZSTD: ON
-      ARROW_WITH_SNAPPY: ON
-      ARROW_WITH_BROTLI: ON
-      ARROW_BUILD_TESTS: ON
-      # ARROW-7551: for now, build without Homebrew gRPC, as gRPC
-      # 1.26.0 is broken. https://github.com/grpc/grpc/pull/21662
-      gRPC_SOURCE: BUNDLED
-      Protobuf_SOURCE: BUNDLED
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Install Dependencies
-        shell: bash
-        run: brew bundle --file=cpp/Brewfile
-        # ARROW-7551: for now, build without Homebrew gRPC, as gRPC
-        # 1.26.0 is broken. https://github.com/grpc/grpc/pull/21662
-      - name: Uninstall Problematic Homebrew Dependencies
-        shell: bash
-        run: brew uninstall grpc protobuf
-      - name: Build
-        shell: bash
-        run: ci/scripts/cpp_build.sh $(pwd) $(pwd)/build
-      - name: Test
-        shell: bash
-        run: |
-          sudo sysctl -w kern.coredump=1
-          sudo sysctl -w kern.corefile=core.%N.%P
-          ulimit -c unlimited  # must enable within the same shell
-          ci/scripts/cpp_test.sh $(pwd) $(pwd)/build
-
-  windows:
-    name: AMD64 ${{ matrix.name }} C++
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os:
-          - windows-latest
-        include:
-          - os: windows-latest
-            name: Windows 2019
-            generator: Visual Studio 16 2019
-    env:
-      CMAKE_ARGS: '-A x64 -DOPENSSL_ROOT_DIR=C:\Program Files\OpenSSL-Win64'
-      CMAKE_GENERATOR: ${{ matrix.generator }}
-      CMAKE_INSTALL_LIBDIR: bin
-      CMAKE_INSTALL_PREFIX: /usr
-      CMAKE_UNITY_BUILD: ON
-      ARROW_HOME: /usr
-      ARROW_DATASET: ON
-      ARROW_JEMALLOC: OFF
-      ARROW_FLIGHT: OFF
-      ARROW_HDFS: ON
-      ARROW_PARQUET: ON
-      ARROW_WITH_ZLIB: ON
-      ARROW_WITH_LZ4: OFF
-      ARROW_WITH_BZ2: OFF
-      ARROW_WITH_ZSTD: ON
-      ARROW_WITH_SNAPPY: ON
-      ARROW_WITH_BROTLI: OFF
-      ARROW_USE_GLOG: OFF
-      ARROW_BUILD_TESTS: ON
-      ARROW_BUILD_SHARED: ON
-      ARROW_BUILD_STATIC: OFF
-      ARROW_BOOST_USE_SHARED: OFF
-      ARROW_VERBOSE_THIRDPARTY_BUILD: OFF
-      BOOST_ROOT: C:\local\boost_1_67_0
-      BOOST_LIBRARYDIR: C:\local\boost_1_67_0\lib64-msvc-14.1\
-    steps:
-      - name: Disable Crash Dialogs
-        run: reg add "HKCU\SOFTWARE\Microsoft\Windows\Windows Error Reporting" /v DontShowUI /t REG_DWORD /d 1 /f
-      - name: Installed Packages
-        run: choco list -l
-      - name: Install Dependencies
-        run: choco install -y --no-progress openssl boost-msvc-14.1
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Build
-        shell: bash
-        run: ci/scripts/cpp_build.sh $(pwd) $(pwd)/build
-      - name: Test
-        shell: bash
-        run: ci/scripts/cpp_test.sh $(pwd) $(pwd)/build
diff --git a/.github/workflows/cpp_cron.yml b/.github/workflows/cpp_cron.yml
deleted file mode 100644
index e47f1a7f741..00000000000
--- a/.github/workflows/cpp_cron.yml
+++ /dev/null
@@ -1,214 +0,0 @@
-
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: C++ Cron
-
-on:
-  push:
-    paths:
-      - '.github/workflows/cpp_cron.yml'
-  pull_request:
-    paths:
-      - '.github/workflows/cpp_cron.yml'
-  schedule:
-    - cron: |
-        0 */12 * * *
-
-env:
-  ARROW_ENABLE_TIMING_TESTS: OFF
-
-jobs:
-
-  debian:
-    name: AMD64 Debian ${{ matrix.debian }} C++
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        debian: [10]
-    env:
-      DEBIAN: ${{ matrix.debian }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: docker-compose pull --ignore-pull-failures debian-cpp
-      - name: Docker Build
-        shell: bash
-        run: docker-compose build debian-cpp
-      - name: Docker Run
-        shell: bash
-        run: |
-          sudo sysctl -w kernel.core_pattern="core.%e.%p"
-          ulimit -c unlimited
-          docker-compose run debian-cpp
-      - name: Docker Push
-        if: success() && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push debian-cpp
-
-  fedora:
-    name: AMD64 Fedora ${{ matrix.fedora }} C++
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        fedora: [29]
-    env:
-      FEDORA: ${{ matrix.fedora }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: docker-compose pull --ignore-pull-failures fedora-cpp
-      - name: Docker Build
-        shell: bash
-        run: docker-compose build fedora-cpp
-      - name: Docker Run
-        shell: bash
-        run: |
-          sudo sysctl -w kernel.core_pattern="core.%e.%p"
-          ulimit -c unlimited
-          docker-compose run fedora-cpp
-      - name: Docker Push
-        if: success() && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push fedora-cpp
-
-  ubuntu:
-    name: AMD64 Ubuntu ${{ matrix.ubuntu }} C++
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        ubuntu: [16.04, 18.04]
-    env:
-      UBUNTU: ${{ matrix.ubuntu }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: docker-compose pull --ignore-pull-failures ubuntu-cpp
-      - name: Docker Build
-        shell: bash
-        run: docker-compose build ubuntu-cpp
-      - name: Docker Run
-        shell: bash
-        run: |
-          sudo sysctl -w kernel.core_pattern="core.%e.%p"
-          ulimit -c unlimited
-          docker-compose run ubuntu-cpp
-      # No push step, it's the same image as ubuntu-cpp-sanitizer
-
-  ubuntu-cmake32:
-    name: AMD64 Ubuntu 18.04 C++ CMake 3.2
-    runs-on: ubuntu-latest
-    if: github.event_name == 'push'
-    strategy:
-      fail-fast: false
-      matrix:
-        ubuntu: [18.04]
-    env:
-      UBUNTU: ${{ matrix.ubuntu }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: |
-          docker-compose pull --ignore-pull-failures ubuntu-cpp
-          docker-compose pull --ignore-pull-failures ubuntu-cpp-cmake32
-      - name: Docker Build
-        shell: bash
-        run: |
-          docker-compose build ubuntu-cpp
-          docker-compose build ubuntu-cpp-cmake32
-      - name: Docker Run
-        shell: bash
-        run: |
-          sudo sysctl -w kernel.core_pattern="core.%e.%p"
-          ulimit -c unlimited
-          docker-compose run ubuntu-cpp-cmake32
-      - name: Docker Push
-        if: success() && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push ubuntu-cpp-cmake32
-
-  oss-fuzz:
-    name: OSS-Fuzz build check
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        ubuntu: [18.04]
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          path: arrow
-          submodules: true
-      - name: Checkout OSS-Fuzz
-        uses: actions/checkout@v1
-        with:
-          path: oss-fuzz
-          repository: google/oss-fuzz
-          ref: master
-      - name: Install dependencies
-        shell: bash
-        working-directory: ../oss-fuzz
-        run: |
-          python3 -m pip install setuptools
-          python3 -m pip install -r infra/travis/requirements.txt
-      - name: Build image
-        shell: bash
-        working-directory: ../oss-fuzz
-        run: |
-          python3 infra/helper.py build_image --pull arrow
-      - name: Build fuzzers
-        shell: bash
-        working-directory: ../oss-fuzz
-        run: |
-          python3 infra/helper.py build_fuzzers arrow `pwd`/../arrow
-      - name: Check build
-        shell: bash
-        working-directory: ../oss-fuzz
-        run: |
-          python3 infra/helper.py check_build arrow
diff --git a/.github/workflows/csharp.yml b/.github/workflows/csharp.yml
deleted file mode 100644
index 95c472293f7..00000000000
--- a/.github/workflows/csharp.yml
+++ /dev/null
@@ -1,102 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: C#
-
-on:
-  push:
-    paths:
-      - '.github/workflows/csharp.yml'
-      - 'ci/**'
-      - 'csharp/**'
-  pull_request:
-    paths:
-      - '.github/workflows/csharp.yml'
-      - 'ci/**'
-      - 'csharp/**'
-
-jobs:
-
-  ubuntu:
-    name: AMD64 Ubuntu 18.04 C# ${{ matrix.dotnet }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        dotnet: [2.2.103]
-    steps:
-      - name: Install C#
-        uses: actions/setup-dotnet@v1
-        with:
-          dotnet-version: ${{ matrix.dotnet }}
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Build
-        shell: bash
-        run: ci/scripts/csharp_build.sh $(pwd)
-      - name: Test
-        shell: bash
-        run: ci/scripts/csharp_test.sh $(pwd)
-
-  windows:
-    name: AMD64 Windows 2019 18.04 C# ${{ matrix.dotnet }}
-    runs-on: windows-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        dotnet: [2.2.103]
-    steps:
-      - name: Install C#
-        uses: actions/setup-dotnet@v1
-        with:
-          dotnet-version: ${{ matrix.dotnet }}
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Build
-        shell: bash
-        run: ci/scripts/csharp_build.sh $(pwd)
-      - name: Test
-        shell: bash
-        run: ci/scripts/csharp_test.sh $(pwd)
-
-  macos:
-    name: AMD64 MacOS 10.15 C# ${{ matrix.dotnet }}
-    runs-on: macos-latest
-    if: github.event_name == 'push'
-    strategy:
-      fail-fast: false
-      matrix:
-        dotnet: [2.2.103]
-    steps:
-      - name: Install C#
-        uses: actions/setup-dotnet@v1
-        with:
-          dotnet-version: ${{ matrix.dotnet }}
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Build
-        shell: bash
-        run: ci/scripts/csharp_build.sh $(pwd)
-      - name: Test
-        shell: bash
-        run: ci/scripts/csharp_test.sh $(pwd)
diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
deleted file mode 100644
index 738ea9f7536..00000000000
--- a/.github/workflows/dev.yml
+++ /dev/null
@@ -1,121 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: Dev
-
-on:
-  # always trigger
-  push:
-  pull_request:
-
-jobs:
-
-  lint:
-    name: Lint C++, Python, R, Rust, Docker, RAT
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        run: |
-          docker-compose pull --ignore-pull-failures ubuntu-cpp
-          docker-compose pull --ignore-pull-failures ubuntu-lint
-      - name: Docker Build
-        run: |
-          docker-compose build ubuntu-cpp
-          docker-compose build ubuntu-lint
-      - name: Docker Run
-        run: docker-compose run ubuntu-lint
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push ubuntu-lint
-
-  release:
-    name: Source Release and Merge Script
-    runs-on: ubuntu-latest
-    env:
-      GIT_AUTHOR_NAME: Github Actions
-      GIT_AUTHOR_EMAIL: github@actions
-      GIT_COMMITTER_NAME: Github Actions
-      GIT_COMMITTER_EMAIL: github@actions
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Install Python
-        uses: actions/setup-python@v1
-        with:
-          python-version: '3.6'
-      - name: Install Ruby
-        uses: actions/setup-ruby@v1
-        with:
-          ruby-version: '2.6'
-      - name: Install Dependencies
-        shell: bash
-        run: |
-          pip install cython setuptools pytest jira
-          wget -q https://packages.microsoft.com/config/ubuntu/16.04/packages-microsoft-prod.deb
-          sudo dpkg -i packages-microsoft-prod.deb
-          sudo apt-get install apt-transport-https
-          sudo apt-get update
-          sudo apt-get install dotnet-sdk-2.2
-      - name: Run Release Test
-        shell: bash
-        run: |
-          ci/scripts/release_test.sh $(pwd)
-      - name: Run Merge Script Test
-        shell: bash
-        run: |
-          pytest -v dev/test_merge_arrow_pr.py
-
-  docs:
-    name: Sphinx and API documentations
-    runs-on: ubuntu-latest
-    if: github.event_name == 'push'
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        run: |
-          docker-compose pull --ignore-pull-failures ubuntu-cpp
-          docker-compose pull --ignore-pull-failures ubuntu-python
-          docker-compose pull --ignore-pull-failures ubuntu-docs
-      - name: Docker Build
-        run: |
-          docker-compose build ubuntu-cpp
-          docker-compose build ubuntu-python
-          docker-compose build ubuntu-docs
-      - name: Docker Run
-        run: docker-compose run ubuntu-docs
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push ubuntu-docs
diff --git a/.github/workflows/dev_cron.yml b/.github/workflows/dev_cron.yml
deleted file mode 100644
index afbb96ac7db..00000000000
--- a/.github/workflows/dev_cron.yml
+++ /dev/null
@@ -1,61 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: Dev Cron
-
-on:
-  push:
-    paths:
-      - '.github/workflows/dev_cron.yml'
-  pull_request:
-    paths:
-      - '.github/workflows/dev_cron.yml'
-  schedule:
-    - cron: |
-        */15 * * * *
-
-jobs:
-
-  jira-link:
-    name: JIRA link
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@master
-      - name: Comment
-        uses: actions/github-script@master
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            const fs = require("fs");
-            const path = ".github/workflows/dev_cron/jira_link.js";
-            const script = fs.readFileSync(path).toString();
-            eval(script);
-
-  title-check:
-    name: Title check
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@master
-      - name: Check
-        uses: actions/github-script@master
-        with:
-          github-token: ${{ secrets.GITHUB_TOKEN }}
-          script: |
-            const fs = require("fs");
-            const path = ".github/workflows/dev_cron/title_check.js";
-            const script = fs.readFileSync(path).toString();
-            eval(script);
diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
deleted file mode 100644
index 3749c944e28..00000000000
--- a/.github/workflows/go.yml
+++ /dev/null
@@ -1,108 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: Go
-
-on:
-  push:
-    paths:
-      - '.github/workflows/go.yml'
-      - 'ci/**'
-      - 'go/**'
-  pull_request:
-    paths:
-      - '.github/workflows/go.yml'
-      - 'ci/**'
-      - 'go/**'
-
-jobs:
-
-  debian:
-    name: AMD64 Debian 10 Go ${{ matrix.go }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        go: [1.12]
-    env:
-      GO: ${{ matrix.go }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        run: docker-compose pull --ignore-pull-failures debian-go
-      - name: Docker Build
-        run: docker-compose build debian-go
-      - name: Docker Run
-        run: docker-compose run debian-go
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push debian-go
-
-  windows:
-    name: AMD64 Windows 2019 Go ${{ matrix.go }}
-    runs-on: windows-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        go: [1.12]
-    steps:
-      - name: Install go
-        uses: actions/setup-go@v1
-        with:
-          go-version: ${{ matrix.go }}
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Build
-        shell: bash
-        run: ci/scripts/go_build.sh .
-      - name: Test
-        shell: bash
-        run: ci/scripts/go_test.sh .
-
-  macos:
-    name: AMD64 MacOS 10.15 Go ${{ matrix.go }}
-    runs-on: macos-latest
-    if: github.event_name == 'push'
-    strategy:
-      fail-fast: false
-      matrix:
-        go: [1.12]
-    steps:
-      - name: Install go
-        uses: actions/setup-go@v1
-        with:
-          go-version: ${{ matrix.go }}
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Build
-        shell: bash
-        run: ci/scripts/go_build.sh .
-      - name: Test
-        shell: bash
-        run: ci/scripts/go_test.sh .
diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
deleted file mode 100644
index 623ee7493ad..00000000000
--- a/.github/workflows/integration.yml
+++ /dev/null
@@ -1,73 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: Integration
-
-on:
-  push:
-    paths:
-      - '.github/workflows/integration.yml'
-      - 'ci/**'
-      - 'dev/archery/**'
-      - 'go/**'
-      - 'integration/**'
-      - 'js/**'
-      - 'cpp/**'
-      - 'java/**'
-      - 'format/**'
-  pull_request:
-    paths:
-      - '.github/workflows/integration.yml'
-      - 'ci/**'
-      - 'dev/archery/**'
-      - 'go/**'
-      - 'integration/**'
-      - 'js/**'
-      - 'cpp/**'
-      - 'java/**'
-      - 'format/**'
-
-jobs:
-
-  conda-integration:
-    name: AMD64 Conda Integration Test
-    runs-on: ubuntu-latest
-    env:
-      MAVEN: 3.5
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        run: |
-          docker-compose pull --ignore-pull-failures conda-cpp
-          docker-compose pull --ignore-pull-failures conda-integration
-      - name: Docker Build
-        run: |
-          docker-compose build conda-cpp
-          docker-compose build conda-integration
-      - name: Docker Run
-        run: docker-compose run conda-integration
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push conda-integration
diff --git a/.github/workflows/java.yml b/.github/workflows/java.yml
deleted file mode 100644
index b6953b87093..00000000000
--- a/.github/workflows/java.yml
+++ /dev/null
@@ -1,87 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: Java
-
-on:
-  push:
-    paths:
-      - '.github/workflows/java.yml'
-      - 'ci/**'
-      - 'java/**'
-  pull_request:
-    paths:
-      - '.github/workflows/java.yml'
-      - 'ci/**'
-      - 'java/**'
-
-jobs:
-
-  debian:
-    name: AMD64 Debian 9 Java JDK ${{ matrix.jdk }} Maven ${{ matrix.maven }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        jdk: [11]
-        maven: [3.6.2]
-    env:
-      JDK: ${{ matrix.jdk }}
-      MAVEN: ${{ matrix.maven }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        run: docker-compose pull --ignore-pull-failures debian-java
-      - name: Docker Build
-        run: docker-compose build debian-java
-      - name: Docker Run
-        run: docker-compose run debian-java
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push debian-java
-
-  macos:
-    name: AMD64 MacOS 10.15 Java JDK ${{ matrix.jdk }}
-    runs-on: macos-latest
-    if: github.event_name == 'push'
-    strategy:
-      fail-fast: false
-      matrix:
-        jdk: [11]
-    steps:
-      - name: Set up Java
-        uses: actions/setup-java@v1
-        with:
-          java-version: ${{ matrix.jdk }}
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Build
-        shell: bash
-        run: ci/scripts/java_build.sh $(pwd) $(pwd)/build
-      - name: Test
-        shell: bash
-        run: ci/scripts/java_test.sh $(pwd) $(pwd)/build
diff --git a/.github/workflows/java_jni.yml b/.github/workflows/java_jni.yml
deleted file mode 100644
index 6f7410a5842..00000000000
--- a/.github/workflows/java_jni.yml
+++ /dev/null
@@ -1,70 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: Java JNI
-
-on:
-  push:
-    paths:
-      - '.github/workflows/java_jni.yml'
-      - 'ci/**'
-      - 'cpp/**'
-      - 'java/**'
-  pull_request:
-    paths:
-      - '.github/workflows/java_jni.yml'
-      - 'ci/**'
-      - 'cpp/**'
-      - 'java/**'
-
-jobs:
-
-  debian:
-    name: AMD64 Debian 9 Java JNI and Plasma
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        jdk: [8]
-        maven: [3.5.2]
-    env:
-      JDK: ${{ matrix.jdk }}
-      MAVEN: ${{ matrix.maven }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        run: |
-          docker-compose pull --ignore-pull-failures debian-java
-          docker-compose pull --ignore-pull-failures debian-java-jni
-      - name: Docker Build
-        run: |
-          docker-compose build debian-java
-          docker-compose build debian-java-jni
-      - name: Docker Run
-        run: |
-          docker-compose run debian-java-jni
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push debian-java-jni
diff --git a/.github/workflows/js.yml b/.github/workflows/js.yml
deleted file mode 100644
index 0b916530b23..00000000000
--- a/.github/workflows/js.yml
+++ /dev/null
@@ -1,113 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: NodeJS
-
-on:
-  push:
-    paths:
-      - '.github/workflows/js.yml'
-      - 'ci/**'
-      - 'js/**'
-  pull_request:
-    paths:
-      - '.github/workflows/js.yml'
-      - 'ci/**'
-      - 'js/**'
-
-jobs:
-
-  debian:
-    name: AMD64 Debian 10 NodeJS ${{ matrix.node }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        node: [11]
-    env:
-      NODE: ${{ matrix.node }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        run: docker-compose pull --ignore-pull-failures debian-js
-      - name: Docker Build
-        run: docker-compose build debian-js
-      - name: Docker Run
-        run: docker-compose run debian-js
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push debian-js
-
-  macos:
-    name: AMD64 MacOS 10.15 NodeJS ${{ matrix.node }}
-    runs-on: macos-latest
-    if: github.event_name == 'push'
-    strategy:
-      fail-fast: false
-      matrix:
-        node: [11]
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Install NodeJS
-        uses: actions/setup-node@v1
-        with:
-          node-version: ${{ matrix.node }}
-      - name: Build
-        shell: bash
-        run: ci/scripts/js_build.sh $(pwd)
-      - name: Test
-        shell: bash
-        run: ci/scripts/js_test.sh $(pwd)
-
-  # TODO(kszucs): the windows build fails with platform specific npm error
-  # windows:
-  #   name: AMD64 Windows 2019 NodeJS ${{ matrix.node }}
-  #   runs-on: windows-latest
-  #   if: github.event_name == 'push'
-  #   strategy:
-  #     fail-fast: false
-  #     matrix:
-  #       node: [11]
-  #   steps:
-  #     - name: Checkout Arrow
-  #       uses: actions/checkout@v1
-  #       with:
-  #         submodules: true
-  #     - name: Install NodeJS
-  #       uses: actions/setup-node@v1
-  #       with:
-  #         node-version: ${{ matrix.node }}
-  #     - name: Install Platform Dependencies
-  #       shell: bash
-  #       run: npm install -g cross-env
-  #     - name: Build
-  #       shell: bash
-  #       run: ci/scripts/js_build.sh $(pwd)
-  #     - name: Test
-  #       shell: bash
-  #       run: ci/scripts/js_test.sh $(pwd)
diff --git a/.github/workflows/python.yml b/.github/workflows/python.yml
deleted file mode 100644
index 6c15e0a2123..00000000000
--- a/.github/workflows/python.yml
+++ /dev/null
@@ -1,191 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: Python
-
-on:
-  push:
-    paths:
-      - '.github/workflows/python.yml'
-      - 'ci/**'
-      - 'cpp/**'
-      - 'python/**'
-  pull_request:
-    paths:
-      - '.github/workflows/python.yml'
-      - 'ci/**'
-      - 'cpp/**'
-      - 'python/**'
-
-jobs:
-
-  ubuntu:
-    name: AMD64 Ubuntu ${{ matrix.ubuntu }} Python 3
-    runs-on: ubuntu-latest
-    if: github.event_name == 'push'
-    strategy:
-      fail-fast: false
-      matrix:
-        ubuntu: [16.04, 18.04]
-    env:
-      UBUNTU: ${{ matrix.ubuntu }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: |
-          docker-compose pull --ignore-pull-failures ubuntu-cpp
-          docker-compose pull --ignore-pull-failures ubuntu-python
-      - name: Docker Build
-        shell: bash
-        run: |
-          docker-compose build ubuntu-cpp
-          docker-compose build ubuntu-python
-      - name: Docker Run
-        shell: bash
-        run: docker-compose run ubuntu-python
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push ubuntu-python
-
-  conda:
-    name: AMD64 Conda Python ${{ matrix.python }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        python: [3.6, 3.8]
-    env:
-      PYTHON: ${{ matrix.python }}
-      PANDAS: latest
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: |
-          docker-compose pull --ignore-pull-failures conda-cpp
-          docker-compose pull --ignore-pull-failures conda-python
-          docker-compose pull --ignore-pull-failures conda-python-pandas
-      - name: Docker Build
-        shell: bash
-        run: |
-          docker-compose build conda-cpp
-          docker-compose build conda-python
-          docker-compose build conda-python-pandas
-      - name: Docker Run
-        shell: bash
-        run: |
-          docker-compose run conda-python-pandas
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push conda-python-pandas
-
-  conda-nopandas:
-    name: AMD64 Conda Python ${{ matrix.python }} Nopandas
-    runs-on: ubuntu-latest
-    if: github.event_name == 'push'
-    strategy:
-      fail-fast: false
-      matrix:
-        python: [3.6]
-    env:
-      PYTHON: ${{ matrix.python }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: |
-          docker-compose pull --ignore-pull-failures conda-cpp
-          docker-compose pull --ignore-pull-failures conda-python
-      - name: Docker Build
-        shell: bash
-        run: |
-          docker-compose build conda-cpp
-          docker-compose build conda-python
-      - name: Docker Run
-        shell: bash
-        run: docker-compose run conda-python
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push conda-python
-
-  macos:
-    name: AMD64 MacOS 10.15 Python 3
-    runs-on: macos-latest
-    env:
-      ARROW_HOME: /usr/local
-      ARROW_DATASET: ON
-      ARROW_JEMALLOC: ON
-      ARROW_ORC: ON
-      ARROW_PYTHON: ON
-      ARROW_PLASMA: ON
-      ARROW_GANDIVA: ON
-      ARROW_PARQUET: ON
-      ARROW_WITH_ZLIB: ON
-      ARROW_WITH_LZ4: ON
-      ARROW_WITH_BZ2: ON
-      ARROW_WITH_ZSTD: ON
-      ARROW_WITH_SNAPPY: ON
-      ARROW_WITH_BROTLI: ON
-      ARROW_BUILD_TESTS: OFF
-      CMAKE_ARGS: "-DPYTHON_EXECUTABLE=/usr/local/bin/python3"
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Install Dependencies
-        shell: bash
-        run: |
-          brew bundle --file=cpp/Brewfile
-          brew install coreutils python
-          pip3 install -r python/requirements.txt \
-                       -r python/requirements-test.txt \
-                       cython
-      - name: Build
-        shell: bash
-        run: |
-          export PYTHON=python3
-          ci/scripts/cpp_build.sh $(pwd) $(pwd)/build
-          ci/scripts/python_build.sh $(pwd) $(pwd)/build
-      - name: Test
-        shell: bash
-        run: ci/scripts/python_test.sh $(pwd) $(pwd)/build
diff --git a/.github/workflows/python_cron.yml b/.github/workflows/python_cron.yml
deleted file mode 100644
index 3b2879ec53c..00000000000
--- a/.github/workflows/python_cron.yml
+++ /dev/null
@@ -1,168 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: Python Cron
-
-on:
-  push:
-    paths:
-      - '.github/workflows/python_cron.yml'
-  pull_request:
-    paths:
-      - '.github/workflows/python_cron.yml'
-  schedule:
-    - cron: |
-        0 */12 * * *
-
-jobs:
-
-  debian:
-    name: AMD64 Debian ${{ matrix.debian }} Python 3
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        debian: [10]
-    env:
-      DEBIAN: ${{ matrix.debian }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: |
-          docker-compose pull --ignore-pull-failures debian-cpp
-          docker-compose pull --ignore-pull-failures debian-python
-      - name: Docker Build
-        shell: bash
-        run: |
-          docker-compose build debian-cpp
-          docker-compose build debian-python
-      - name: Docker Run
-        shell: bash
-        run: docker-compose run debian-python
-      - name: Docker Push
-        if: success() && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push debian-python
-
-  fedora:
-    name: AMD64 Fedora ${{ matrix.fedora }} Python 3
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        fedora: [29]
-    env:
-      FEDORA: ${{ matrix.fedora }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: |
-          docker-compose pull --ignore-pull-failures fedora-cpp
-          docker-compose pull --ignore-pull-failures fedora-python
-      - name: Docker Build
-        shell: bash
-        run: |
-          docker-compose build fedora-cpp
-          docker-compose build fedora-python
-      - name: Docker Run
-        shell: bash
-        run: docker-compose run fedora-python
-      - name: Docker Push
-        if: success() && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push fedora-python
-
-  downstream:
-    name: AMD64 Conda Python 3.7 ${{ matrix.title }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        name:
-          - dask
-          - hdfs
-          - turbodbc
-          - pandas-master
-          - pandas-0.24
-        include:
-          - name: dask
-            library: dask
-            title: Dask
-          - name: turbodbc
-            library: turbodbc
-            title: Turbodbc
-          - name: pandas-0.24
-            library: pandas
-            title: Pandas 0.24
-            pandas: 0.24
-          - name: pandas-master
-            library: pandas
-            title: Pandas master
-            pandas: master
-          - name: hdfs
-            library: hdfs
-            title: HDFS
-    env:
-      PYTHON: 3.7
-      DASK: latest
-      TURBODBC: latest
-      PANDAS: ${{ matrix.pandas || 'latest' }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: |
-          docker-compose pull --ignore-pull-failures conda-cpp
-          docker-compose pull --ignore-pull-failures conda-python
-          docker-compose pull --ignore-pull-failures conda-python-${{ matrix.library }}
-      - name: Docker Build
-        shell: bash
-        run: |
-          docker-compose build conda-cpp
-          docker-compose build conda-python
-          docker-compose build conda-python-${{ matrix.library }}
-      - name: Docker Run
-        shell: bash
-        run: |
-          docker-compose run conda-python-${{ matrix.library }}
-      - name: Docker Push
-        if: success() && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push conda-python-${{ matrix.library }}
diff --git a/.github/workflows/r.yml b/.github/workflows/r.yml
deleted file mode 100644
index 6102267f309..00000000000
--- a/.github/workflows/r.yml
+++ /dev/null
@@ -1,112 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: R
-
-on:
-  push:
-    paths:
-      - '.github/workflows/r.yml'
-      - 'ci/**'
-      - 'cpp/**'
-      - 'r/**'
-  pull_request:
-    paths:
-      - '.github/workflows/r.yml'
-      - 'ci/**'
-      - 'cpp/**'
-      - 'r/**'
-
-jobs:
-  ubuntu:
-    name: AMD64 Ubuntu ${{ matrix.ubuntu }} R ${{ matrix.r }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        r: [3.6]
-        ubuntu: [18.04]
-    env:
-      R: ${{ matrix.r }}
-      UBUNTU: ${{ matrix.ubuntu }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: |
-          docker-compose pull --ignore-pull-failures ubuntu-cpp
-          docker-compose pull --ignore-pull-failures ubuntu-r
-      - name: Docker Build
-        shell: bash
-        run: |
-          docker-compose build ubuntu-cpp
-          docker-compose build ubuntu-r
-      - name: Docker Run
-        shell: bash
-        run: docker-compose run ubuntu-r
-      - name: Dump install logs on failure
-        if: failure()
-        run: cat r/check/arrow.Rcheck/00install.out
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push ubuntu-r
-
-  rstudio:
-    name: "rstudio/r-base:${{ matrix.r_version }}-${{ matrix.r_image }}"
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        # See https://hub.docker.com/r/rstudio/r-base
-        r_version: ["3.6"]
-        r_image:
-          - centos7
-    env:
-      R_ORG: "rstudio"
-      R_IMAGE: "r-base"
-      R_TAG: ${{ matrix.r_version }}-${{ matrix.r_image }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-      - name: Docker Pull
-        shell: bash
-        run: docker-compose pull --ignore-pull-failures r
-      - name: Docker Build
-        shell: bash
-        run: docker-compose build r
-      - name: Docker Run
-        shell: bash
-        run: docker-compose run r
-      - name: Dump install logs on failure
-        if: failure()
-        run: cat r/check/arrow.Rcheck/00install.out
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push r
diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
deleted file mode 100644
index d5e3e5958a4..00000000000
--- a/.github/workflows/ruby.yml
+++ /dev/null
@@ -1,119 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: C GLib & Ruby
-
-on:
-  push:
-    paths:
-      - '.github/workflows/ruby.yml'
-      - 'ci/**'
-      - 'cpp/**'
-      - 'c_glib/**'
-      - 'ruby/**'
-  pull_request:
-    paths:
-      - '.github/workflows/ruby.yml'
-      - 'ci/**'
-      - 'cpp/**'
-      - 'c_glib/**'
-      - 'ruby/**'
-
-jobs:
-
-  ubuntu:
-    name: AMD64 Ubuntu ${{ matrix.ubuntu }} GLib & Ruby
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        ubuntu:
-          - 16.04
-          - 18.04
-    env:
-      UBUNTU: ${{ matrix.ubuntu }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        shell: bash
-        run: |
-          docker-compose pull --ignore-pull-failures ubuntu-cpp
-          docker-compose pull --ignore-pull-failures ubuntu-c-glib
-          docker-compose pull --ignore-pull-failures ubuntu-ruby
-      - name: Docker Build
-        shell: bash
-        run: |
-          docker-compose build ubuntu-cpp
-          docker-compose build ubuntu-c-glib
-          docker-compose build ubuntu-ruby
-      - name: Docker Run
-        shell: bash
-        run: docker-compose run ubuntu-ruby
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push ubuntu-c-glib
-          docker-compose push ubuntu-ruby
-
-  macos:
-    name: AMD64 MacOS 10.15 GLib & Ruby
-    runs-on: macos-latest
-    strategy:
-      fail-fast: false
-    env:
-      ARROW_BUILD_TESTS: ON
-      ARROW_GANDIVA: ON
-      ARROW_GLIB_DEVELOPMENT_MODE: true
-      ARROW_GLIB_GTK_DOC: true
-      ARROW_HOME: /usr/local
-      ARROW_JEMALLOC: OFF
-      ARROW_ORC: OFF
-      ARROW_PARQUET: ON
-      ARROW_WITH_BROTLI: ON
-      ARROW_WITH_LZ4: ON
-      ARROW_WITH_SNAPPY: ON
-      ARROW_WITH_ZLIB: ON
-      XML_CATALOG_FILES: /usr/local/etc/xml/catalog
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Install Dependencies
-        shell: bash
-        run: |
-          brew bundle --file=cpp/Brewfile
-          brew bundle --file=c_glib/Brewfile
-          bundle install --gemfile ruby/red-arrow/Gemfile
-      - name: Build
-        shell: bash
-        run: |
-          ci/scripts/cpp_build.sh $(pwd) $(pwd)/build
-          ci/scripts/c_glib_build.sh $(pwd) $(pwd)/build
-      - name: Test GLib
-        shell: bash
-        run: ci/scripts/c_glib_test.sh $(pwd) $(pwd)/build
-      - name: Test Ruby
-        shell: bash
-        run: ci/scripts/ruby_test.sh $(pwd)
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
deleted file mode 100644
index dc0b532abf7..00000000000
--- a/.github/workflows/rust.yml
+++ /dev/null
@@ -1,115 +0,0 @@
-# Licensed to the Apache Software Foundation (ASF) under one
-# or more contributor license agreements.  See the NOTICE file
-# distributed with this work for additional information
-# regarding copyright ownership.  The ASF licenses this file
-# to you under the Apache License, Version 2.0 (the
-# "License"); you may not use this file except in compliance
-# with the License.  You may obtain a copy of the License at
-#
-#   http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing,
-# software distributed under the License is distributed on an
-# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
-# KIND, either express or implied.  See the License for the
-# specific language governing permissions and limitations
-# under the License.
-
-name: Rust
-
-on:
-  push:
-    paths:
-      - '.github/workflows/rust.yml'
-      - 'ci/**'
-      - 'rust/**'
-  pull_request:
-    paths:
-      - '.github/workflows/rust.yml'
-      - 'ci/**'
-      - 'rust/**'
-
-jobs:
-
-  debian:
-    name: AMD64 Debian 10 Rust ${{ matrix.rust }}
-    runs-on: ubuntu-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        rust: [nightly-2019-11-14]
-    env:
-      RUST: ${{ matrix.rust }}
-    steps:
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Docker Pull
-        run: docker-compose pull --ignore-pull-failures debian-rust
-      - name: Docker Build
-        run: docker-compose build debian-rust
-      - name: Docker Run
-        run: docker-compose run debian-rust
-      - name: Docker Push
-        if: success() && github.event_name == 'push' && github.repository == 'apache/arrow'
-        continue-on-error: true
-        shell: bash
-        run: |
-          docker login -u ${{ secrets.DOCKERHUB_USER }} \
-                       -p ${{ secrets.DOCKERHUB_TOKEN }}
-          docker-compose push debian-rust
-
-  windows:
-    name: AMD64 Windows 2019 Rust ${{ matrix.rust }}
-    runs-on: windows-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        rust: [nightly-2019-11-14]
-    steps:
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-            toolchain: ${{ matrix.rust }}
-            override: true
-      - name: Install Flatbuffers
-        shell: bash
-        run: choco install flatc
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Build
-        shell: bash
-        run: ci/scripts/rust_build.sh $(pwd) $(pwd)/build
-      - name: Test
-        shell: bash
-        run: ci/scripts/rust_test.sh $(pwd) $(pwd)/build
-
-  macos:
-    name: AMD64 MacOS 10.15 Rust ${{ matrix.rust }}
-    runs-on: macos-latest
-    strategy:
-      fail-fast: false
-      matrix:
-        rust: [nightly-2019-11-14]
-    steps:
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-            toolchain: ${{ matrix.rust }}
-            override: true
-      - name: Install Flatbuffers
-        shell: bash
-        run: brew install flatbuffers
-      - name: Checkout Arrow
-        uses: actions/checkout@v1
-        with:
-          submodules: true
-      - name: Build
-        shell: bash
-        run: ci/scripts/rust_build.sh $(pwd) $(pwd)/build
-      - name: Test
-        shell: bash
-        run: ci/scripts/rust_test.sh $(pwd) $(pwd)/build
diff --git a/dev/archery/archery/bot.py b/dev/archery/archery/bot.py
new file mode 100644
index 00000000000..276707c51a6
--- /dev/null
+++ b/dev/archery/archery/bot.py
@@ -0,0 +1,192 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+import shlex
+from functools import partial
+
+import click
+import github
+
+from .utils.crossbow import Crossbow
+from .utils.git import Git
+
+
+class EventError(Exception):
+    pass
+
+
+class CommandError(Exception):
+
+    def __init__(self, message):
+        self.message = message
+
+
+class _CommandMixin:
+
+    def get_help_option(self, ctx):
+        def show_help(ctx, param, value):
+            if value and not ctx.resilient_parsing:
+                raise click.UsageError(ctx.get_help())
+        option = super().get_help_option(ctx)
+        option.callback = show_help
+        return option
+
+    def __call__(self, message, **kwargs):
+        args = shlex.split(message)
+        try:
+            with self.make_context(self.name, args=args, obj=kwargs) as ctx:
+                return self.invoke(ctx)
+        except click.ClickException as e:
+            raise CommandError(e.format_message())
+
+
+class Command(_CommandMixin, click.Command):
+    pass
+
+
+class Group(_CommandMixin, click.Group):
+
+    def command(self, *args, **kwargs):
+        kwargs.setdefault('cls', Command)
+        return super().command(*args, **kwargs)
+
+    def group(self, *args, **kwargs):
+        kwargs.setdefault('cls', Group)
+        return super().group(*args, **kwargs)
+
+    def parse_args(self, ctx, args):
+        if not args and self.no_args_is_help and not ctx.resilient_parsing:
+            raise click.UsageError(ctx.get_help())
+        return super().parse_args(ctx, args)
+
+
+class CommentBot:
+
+    def __init__(self, name, handler, token=None):
+        # TODO(kszucs): validate
+        self.name = name
+        self.handler = handler
+        self.github = github.Github(token)
+
+    def parse_command(self, payload):
+        # only allow users of apache org to submit commands, for more see
+        # https://developer.github.com/v4/enum/commentauthorassociation/
+        allowed_roles = {'OWNER', 'MEMBER', 'CONTRIBUTOR'}
+        mention = f'@{self.name}'
+        comment = payload['comment']
+
+        if payload['sender']['login'] == self.name:
+            raise EventError("Don't respond to itself")
+        elif payload['action'] not in {'created', 'edited'}:
+            raise EventError("Don't respond to comment deletion")
+        elif comment['author_association'] not in allowed_roles:
+            raise EventError(
+                "Don't respond to comments from non-authorized users"
+            )
+        elif not comment['body'].lstrip().startswith(mention):
+            raise EventError("The bot is not mentioned")
+
+        return payload['comment']['body'].split(mention)[-1].strip()
+
+    def handle(self, event, payload):
+        try:
+            command = self.parse_command(payload)
+        except EventError:
+            # see the possible reasons in the validate method
+            return
+
+        if event == 'issue_comment':
+            return self.handle_issue_comment(command, payload)
+        elif event == 'pull_request_review_comment':
+            return self.handle_review_comment(command, payload)
+        else:
+            raise ValueError("Unexpected event type {}".format(event))
+
+    def handle_issue_comment(self, command, payload):
+        repo = self.github.get_repo(payload['repository']['id'], lazy=True)
+        issue = repo.get_issue(payload['issue']['number'])
+
+        try:
+            pull = issue.as_pull_request()
+        except github.GithubException:
+            return issue.create_comment(
+                "The comment bot only listens to pull request comments!"
+            )
+
+        comment = pull.get_issue_comment(payload['comment']['id'])
+        try:
+            self.handler(command, issue=issue, pull=pull, comment=comment)
+        except CommandError as e:
+            pull.create_issue_comment("```\n{}\n```".format(e.message))
+        except Exception:
+            comment.create_reaction('-1')
+        else:
+            comment.create_reaction('+1')
+
+    def handle_review_comment(self, payload):
+        raise NotImplementedError()
+
+
+command = partial(click.command, cls=Command)
+group = partial(click.group, cls=Group)
+
+
+@group(name='@ursabot')
+@click.pass_context
+def ursabot(ctx):
+    """Ursabot"""
+    ctx.ensure_object(dict)
+
+
+@ursabot.group()
+@click.option('--arrow', '-a', default='apache/arrow',
+              help='Arrow repository on github to use')
+@click.option('--crossbow', '-c', default='ursa-labs/crossbow',
+              help='Crossbow repository on github to use')
+@click.pass_obj
+def crossbow(obj, arrow, crossbow):
+    """Trigger crossbow builds for this pull request"""
+    # obj['arrow_repo'] = 'https://github.com/{}'.format(arrow)
+    obj['crossbow_repo'] = 'https://github.com/{}'.format(crossbow)
+
+
+@crossbow.command()
+@click.argument('task', nargs=-1, required=False)
+@click.option('--group', '-g', multiple=True,
+              help='Submit task groups as defined in tests.yml')
+@click.option('--dry-run/--push', default=False,
+              help='Just display the new changelog, don\'t write it')
+@click.pass_obj
+def submit(obj, task, group, dry_run):
+    """Submit crossbow testing tasks.
+
+    See groups defined in arrow/dev/tasks/tests.yml
+    """
+    args = []
+    for g in group:
+        args.extend(['-g', g])
+    for t in task:
+        args.append(t)
+
+    git = Git()
+    xbow = Crossbow('arrow/dev/tasks/crossbow.py')
+
+    # arrow is already cloned ideally but of course we should be able to choose
+    # a different fork
+    # git.clone(obj['arrow_repo'], 'arrow')
+    git.clone(obj['crossbow_repo'], 'crossbow')
+    xbow.run('submit', *args)
\ No newline at end of file
diff --git a/dev/archery/archery/cli.py b/dev/archery/archery/cli.py
index 4d31764640d..cb4068a153e 100644
--- a/dev/archery/archery/cli.py
+++ b/dev/archery/archery/cli.py
@@ -32,6 +32,7 @@
 from .utils.logger import logger, ctx as log_ctx
 from .utils.source import ArrowSources
 from .utils.tmpdir import tmpdir
+from .bot import CommentBot, ursabot
 
 # Set default logging to INFO in command line.
 logging.basicConfig(level=logging.INFO)
@@ -586,5 +587,18 @@ def integration(with_all=False, random_seed=12345, **args):
         run_all_tests(**args)
 
 
+@archery.command()
+@click.option('--event-name', '-n', required=True)
+@click.option('--event-payload', '-p', type=click.File('r', encoding='utf8'),
+              default='-', required=True)
+@click.option('--github-token', '-t', envvar='CROSSBOW_GITHUB_TOKEN',
+              help='OAuth token for GitHub authentication')
+def trigger_bot(event_name, event_payload, github_token):
+    event_payload = json.loads(event_payload.read())
+
+    bot = CommentBot(name='ursabot', handler='ursabot', token=github_token)
+    bot.handle(event_name, event_payload)
+
+
 if __name__ == "__main__":
     archery(obj={})
diff --git a/dev/archery/archery/lang/python.py b/dev/archery/archery/lang/python.py
index 521e9bb71af..4626364e7d0 100644
--- a/dev/archery/archery/lang/python.py
+++ b/dev/archery/archery/lang/python.py
@@ -63,7 +63,6 @@ def _convert_typehint(tokens):
                 # are not supported by _signature_fromstr
                 yield (names[1].type, names[1].string)
             elif len(names) > 2:
-                print(names)
                 raise ValueError('More than two NAME tokens follow each other')
             names = []
             yield (token.type, token.string)
diff --git a/dev/archery/archery/tests/fixtures/archery-benchmark-diff-empty-lines.jsonl b/dev/archery/archery/tests/fixtures/archery-benchmark-diff-empty-lines.jsonl
new file mode 100644
index 00000000000..5854eb75c97
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/archery-benchmark-diff-empty-lines.jsonl
@@ -0,0 +1,6 @@
+{"benchmark": "RegressionSumKernel/32768/10", "change": 0.0046756468886368545, "regression": false, "baseline": 13265442258.099466, "contender": 13327466781.91994, "unit": "bytes_per_second", "less_is_better": false, "suite": "arrow-compute-aggregate-benchmark"}
+{"benchmark": "RegressionSumKernel/32768/1", "change": 0.0025108399115900733, "regression": false, "baseline": 15181891659.539782, "contender": 15220010959.05199, "unit": "bytes_per_second", "less_is_better": false, "suite": "arrow-compute-aggregate-benchmark"}
+
+{"benchmark": "RegressionSumKernel/32768/50", "change": 0.00346735806287155, "regression": false, "baseline": 11471825667.817123, "contender": 11511602595.042286, "unit": "bytes_per_second", "less_is_better": false, "suite": "arrow-compute-aggregate-benchmark"}
+
+{"benchmark": "RegressionSumKernel/32768/0", "change": 0.010140954727954987, "regression": false, "baseline": 18316987019.994465, "contender": 18502738756.116768, "unit": "bytes_per_second", "less_is_better": false, "suite": "arrow-compute-aggregate-benchmark"}
diff --git a/dev/archery/archery/tests/fixtures/archery-benchmark-diff.jsonl b/dev/archery/archery/tests/fixtures/archery-benchmark-diff.jsonl
new file mode 100644
index 00000000000..1e25810d776
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/archery-benchmark-diff.jsonl
@@ -0,0 +1,4 @@
+{"benchmark":"RegressionSumKernel/32768/50","change":-0.001550846227215492,"regression":false,"baseline":19241207435.428757,"contender":19211367281.47045,"unit":"bytes_per_second","less_is_better":false,"suite":"arrow-compute-aggregate-benchmark"}
+{"benchmark":"RegressionSumKernel/32768/1","change":0.0020681767923465765,"regression":true,"baseline":24823170673.777943,"contender":24771831968.277977,"unit":"bytes_per_second","less_is_better":false,"suite":"arrow-compute-aggregate-benchmark"}
+{"benchmark":"RegressionSumKernel/32768/10","change":0.0033323376378746905,"regression":false,"baseline":21902707565.968014,"contender":21975694782.76145,"unit":"bytes_per_second","less_is_better":false,"suite":"arrow-compute-aggregate-benchmark"}
+{"benchmark":"RegressionSumKernel/32768/0","change":-0.004918126090954414,"regression":true,"baseline":27685006611.446762,"contender":27821164964.790764,"unit":"bytes_per_second","less_is_better":false,"suite":"arrow-compute-aggregate-benchmark"}
diff --git a/dev/archery/archery/tests/fixtures/crossbow-job.yaml b/dev/archery/archery/tests/fixtures/crossbow-job.yaml
new file mode 100644
index 00000000000..c37c7b553a4
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/crossbow-job.yaml
@@ -0,0 +1,51 @@
+!Job
+target: !Target
+  head: f766a1d615dd1b7ee706d05102e579195951a61c
+  email: unkown
+  branch: refs/pull/4435/merge
+  remote: https://github.com/apache/arrow
+  version: 0.13.0.dev306
+  no_rc_version: 0.13.0.dev306
+tasks:
+  docker-cpp-cmake32: !Task
+    ci: circle
+    platform: linux
+    template: docker-tests/circle.linux.yml
+    artifacts: []
+    params:
+      commands:
+      - docker-compose build cpp-cmake32
+      - docker-compose run cpp-cmake32
+    branch: ursabot-1-circle-docker-cpp-cmake32
+    commit: a56b077c8d1b891a7935048e5672bf6fc07599ec
+  wheel-osx-cp37m: !Task
+    ci: travis
+    platform: osx
+    template: python-wheels/travis.osx.yml
+    artifacts:
+    - pyarrow-0.13.0.dev306-cp37-cp37m-macosx_10_6_intel.whl
+    params:
+      python_version: 3.7
+    branch: ursabot-1-travis-wheel-osx-cp37m
+    commit: a56b077c8d1b891a7935048e5672bf6fc07599ec
+  wheel-osx-cp36m: !Task
+    ci: travis
+    platform: osx
+    template: python-wheels/travis.osx.yml
+    artifacts:
+    - pyarrow-0.13.0.dev306-cp36-cp36m-macosx_10_6_intel.whl
+    params:
+      python_version: 3.6
+    branch: ursabot-1-travis-wheel-osx-cp36m
+    commit: a56b077c8d1b891a7935048e5672bf6fc07599ec
+  wheel-win-cp36m: !Task
+    ci: appveyor
+    platform: win
+    template: python-wheels/appveyor.yml
+    artifacts:
+    - pyarrow-0.13.0.dev306-cp36-cp36m-win_amd64.whl
+    params:
+      python_version: 3.6
+    branch: ursabot-1-appveyor-wheel-win-cp36m
+    commit: a56b077c8d1b891a7935048e5672bf6fc07599ec
+branch: ursabot-1
diff --git a/dev/archery/archery/tests/fixtures/crossbow-success-message.md b/dev/archery/archery/tests/fixtures/crossbow-success-message.md
new file mode 100644
index 00000000000..0ef3f7d17cc
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/crossbow-success-message.md
@@ -0,0 +1,12 @@
+[Builder1 (#{build_id})]({build_url}) builder {status}
+
+Revision: {revision}
+
+Submitted crossbow builds: [{repo} @ {branch}](https://github.com/{repo}/branches/all?query={branch})
+
+|Task|Status|
+|----|------|
+|docker-cpp-cmake32|[![CircleCI](https://img.shields.io/circleci/build/github/{repo}/{branch}-circle-docker-cpp-cmake32.svg)](https://circleci.com/gh/{repo}/tree/{branch}-circle-docker-cpp-cmake32)|
+|wheel-osx-cp36m|[![TravisCI](https://img.shields.io/travis/{repo}/{branch}-travis-wheel-osx-cp36m.svg)](https://travis-ci.org/{repo}/branches)|
+|wheel-osx-cp37m|[![TravisCI](https://img.shields.io/travis/{repo}/{branch}-travis-wheel-osx-cp37m.svg)](https://travis-ci.org/{repo}/branches)|
+|wheel-win-cp36m|[![Appveyor](https://img.shields.io/appveyor/ci/{repo}/{branch}-appveyor-wheel-win-cp36m.svg)](https://ci.appveyor.com/project/{repo}/history)|
diff --git a/dev/archery/archery/tests/fixtures/event-issue-comment-build-command.json b/dev/archery/archery/tests/fixtures/event-issue-comment-build-command.json
new file mode 100644
index 00000000000..d591105f079
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/event-issue-comment-build-command.json
@@ -0,0 +1,212 @@
+{
+    "action": "created",
+    "comment": {
+        "author_association": "MEMBER",
+        "body": "@ursabot build",
+        "created_at": "2019-04-05T11:55:43Z",
+        "html_url": "https://github.com/ursa-labs/ursabot/pull/26#issuecomment-480248726",
+        "id": 480248726,
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+        "node_id": "MDEyOklzc3VlQ29tbWVudDQ4MDI0ODcyNg==",
+        "updated_at": "2019-04-05T11:55:43Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments/480248726",
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+            "html_url": "https://github.com/kszucs",
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+            "organizations_url": "https://api.github.com/users/kszucs/orgs",
+            "received_events_url": "https://api.github.com/users/kszucs/received_events",
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+        }
+    },
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+        "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/comments",
+        "created_at": "2019-04-05T11:22:15Z",
+        "events_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/events",
+        "html_url": "https://github.com/ursa-labs/ursabot/pull/26",
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+        "state": "open",
+        "title": "Unittests for GithubHook",
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+}
\ No newline at end of file
diff --git a/dev/archery/archery/tests/fixtures/event-issue-comment-by-non-authorized-user.json b/dev/archery/archery/tests/fixtures/event-issue-comment-by-non-authorized-user.json
new file mode 100644
index 00000000000..5a8f3461c0c
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/event-issue-comment-by-non-authorized-user.json
@@ -0,0 +1,212 @@
+{
+    "action": "created",
+    "comment": {
+        "author_association": "NONE",
+        "body": "Unknown command \"\"",
+        "created_at": "2019-04-05T11:35:47Z",
+        "html_url": "https://github.com/ursa-labs/ursabot/pull/26#issuecomment-480243815",
+        "id": 480243815,
+        "issue_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26",
+        "node_id": "MDEyOklzc3VlQ29tbWVudDQ4MDI0MzgxNQ==",
+        "updated_at": "2019-04-05T11:35:47Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments/480243815",
+        "user": {
+            "avatar_url": "https://avatars2.githubusercontent.com/u/49275095?v=4",
+            "events_url": "https://api.github.com/users/ursabot/events{/privacy}",
+            "followers_url": "https://api.github.com/users/ursabot/followers",
+            "following_url": "https://api.github.com/users/ursabot/following{/other_user}",
+            "gists_url": "https://api.github.com/users/ursabot/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/ursabot",
+            "id": 49275095,
+            "login": "someone",
+            "node_id": "MDQ6VXNlcjQ5Mjc1MDk1",
+            "organizations_url": "https://api.github.com/users/ursabot/orgs",
+            "received_events_url": "https://api.github.com/users/ursabot/received_events",
+            "repos_url": "https://api.github.com/users/ursabot/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/ursabot/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/ursabot/subscriptions",
+            "type": "User",
+            "url": "https://api.github.com/users/ursabot"
+        }
+    },
+    "issue": {
+        "assignee": null,
+        "assignees": [],
+        "author_association": "NONE",
+        "body": "",
+        "closed_at": null,
+        "comments": 2,
+        "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/comments",
+        "created_at": "2019-04-05T11:22:15Z",
+        "events_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/events",
+        "html_url": "https://github.com/ursa-labs/ursabot/pull/26",
+        "id": 429706959,
+        "labels": [],
+        "labels_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/labels{/name}",
+        "locked": false,
+        "milestone": null,
+        "node_id": "MDExOlB1bGxSZXF1ZXN0MjY3Nzg1NTUy",
+        "number": 26,
+        "pull_request": {
+            "diff_url": "https://github.com/ursa-labs/ursabot/pull/26.diff",
+            "html_url": "https://github.com/ursa-labs/ursabot/pull/26",
+            "patch_url": "https://github.com/ursa-labs/ursabot/pull/26.patch",
+            "url": "https://api.github.com/repos/ursa-labs/ursabot/pulls/26"
+        },
+        "repository_url": "https://api.github.com/repos/ursa-labs/ursabot",
+        "state": "open",
+        "title": "Unittests for GithubHook",
+        "updated_at": "2019-04-05T11:35:47Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26",
+        "user": {
+            "avatar_url": "https://avatars1.githubusercontent.com/u/961747?v=4",
+            "events_url": "https://api.github.com/users/kszucs/events{/privacy}",
+            "followers_url": "https://api.github.com/users/kszucs/followers",
+            "following_url": "https://api.github.com/users/kszucs/following{/other_user}",
+            "gists_url": "https://api.github.com/users/kszucs/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/kszucs",
+            "id": 961747,
+            "login": "kszucs",
+            "node_id": "MDQ6VXNlcjk2MTc0Nw==",
+            "organizations_url": "https://api.github.com/users/kszucs/orgs",
+            "received_events_url": "https://api.github.com/users/kszucs/received_events",
+            "repos_url": "https://api.github.com/users/kszucs/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/kszucs/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/kszucs/subscriptions",
+            "type": "User",
+            "url": "https://api.github.com/users/kszucs"
+        }
+    },
+    "organization": {
+        "avatar_url": "https://avatars2.githubusercontent.com/u/46514972?v=4",
+        "description": "Innovation lab for open source data science tools, powered by Apache Arrow",
+        "events_url": "https://api.github.com/orgs/ursa-labs/events",
+        "hooks_url": "https://api.github.com/orgs/ursa-labs/hooks",
+        "id": 46514972,
+        "issues_url": "https://api.github.com/orgs/ursa-labs/issues",
+        "login": "ursa-labs",
+        "members_url": "https://api.github.com/orgs/ursa-labs/members{/member}",
+        "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy",
+        "public_members_url": "https://api.github.com/orgs/ursa-labs/public_members{/member}",
+        "repos_url": "https://api.github.com/orgs/ursa-labs/repos",
+        "url": "https://api.github.com/orgs/ursa-labs"
+    },
+    "repository": {
+        "archive_url": "https://api.github.com/repos/ursa-labs/ursabot/{archive_format}{/ref}",
+        "archived": false,
+        "assignees_url": "https://api.github.com/repos/ursa-labs/ursabot/assignees{/user}",
+        "blobs_url": "https://api.github.com/repos/ursa-labs/ursabot/git/blobs{/sha}",
+        "branches_url": "https://api.github.com/repos/ursa-labs/ursabot/branches{/branch}",
+        "clone_url": "https://github.com/ursa-labs/ursabot.git",
+        "collaborators_url": "https://api.github.com/repos/ursa-labs/ursabot/collaborators{/collaborator}",
+        "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/comments{/number}",
+        "commits_url": "https://api.github.com/repos/ursa-labs/ursabot/commits{/sha}",
+        "compare_url": "https://api.github.com/repos/ursa-labs/ursabot/compare/{base}...{head}",
+        "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/{+path}",
+        "contributors_url": "https://api.github.com/repos/ursa-labs/ursabot/contributors",
+        "created_at": "2019-02-04T15:40:31Z",
+        "default_branch": "master",
+        "deployments_url": "https://api.github.com/repos/ursa-labs/ursabot/deployments",
+        "description": null,
+        "disabled": false,
+        "downloads_url": "https://api.github.com/repos/ursa-labs/ursabot/downloads",
+        "events_url": "https://api.github.com/repos/ursa-labs/ursabot/events",
+        "fork": false,
+        "forks": 0,
+        "forks_count": 0,
+        "forks_url": "https://api.github.com/repos/ursa-labs/ursabot/forks",
+        "full_name": "ursa-labs/ursabot",
+        "git_commits_url": "https://api.github.com/repos/ursa-labs/ursabot/git/commits{/sha}",
+        "git_refs_url": "https://api.github.com/repos/ursa-labs/ursabot/git/refs{/sha}",
+        "git_tags_url": "https://api.github.com/repos/ursa-labs/ursabot/git/tags{/sha}",
+        "git_url": "git://github.com/ursa-labs/ursabot.git",
+        "has_downloads": true,
+        "has_issues": true,
+        "has_pages": false,
+        "has_projects": true,
+        "has_wiki": true,
+        "homepage": null,
+        "hooks_url": "https://api.github.com/repos/ursa-labs/ursabot/hooks",
+        "html_url": "https://github.com/ursa-labs/ursabot",
+        "id": 169101701,
+        "issue_comment_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments{/number}",
+        "issue_events_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/events{/number}",
+        "issues_url": "https://api.github.com/repos/ursa-labs/ursabot/issues{/number}",
+        "keys_url": "https://api.github.com/repos/ursa-labs/ursabot/keys{/key_id}",
+        "labels_url": "https://api.github.com/repos/ursa-labs/ursabot/labels{/name}",
+        "language": "Jupyter Notebook",
+        "languages_url": "https://api.github.com/repos/ursa-labs/ursabot/languages",
+        "license": null,
+        "merges_url": "https://api.github.com/repos/ursa-labs/ursabot/merges",
+        "milestones_url": "https://api.github.com/repos/ursa-labs/ursabot/milestones{/number}",
+        "mirror_url": null,
+        "name": "someone",
+        "node_id": "MDEwOlJlcG9zaXRvcnkxNjkxMDE3MDE=",
+        "notifications_url": "https://api.github.com/repos/ursa-labs/ursabot/notifications{?since,all,participating}",
+        "open_issues": 19,
+        "open_issues_count": 19,
+        "owner": {
+            "avatar_url": "https://avatars2.githubusercontent.com/u/46514972?v=4",
+            "events_url": "https://api.github.com/users/ursa-labs/events{/privacy}",
+            "followers_url": "https://api.github.com/users/ursa-labs/followers",
+            "following_url": "https://api.github.com/users/ursa-labs/following{/other_user}",
+            "gists_url": "https://api.github.com/users/ursa-labs/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/ursa-labs",
+            "id": 46514972,
+            "login": "ursa-labs",
+            "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy",
+            "organizations_url": "https://api.github.com/users/ursa-labs/orgs",
+            "received_events_url": "https://api.github.com/users/ursa-labs/received_events",
+            "repos_url": "https://api.github.com/users/ursa-labs/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/ursa-labs/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/ursa-labs/subscriptions",
+            "type": "Organization",
+            "url": "https://api.github.com/users/ursa-labs"
+        },
+        "private": false,
+        "pulls_url": "https://api.github.com/repos/ursa-labs/ursabot/pulls{/number}",
+        "pushed_at": "2019-04-05T11:22:16Z",
+        "releases_url": "https://api.github.com/repos/ursa-labs/ursabot/releases{/id}",
+        "size": 892,
+        "ssh_url": "git@github.com:ursa-labs/ursabot.git",
+        "stargazers_count": 1,
+        "stargazers_url": "https://api.github.com/repos/ursa-labs/ursabot/stargazers",
+        "statuses_url": "https://api.github.com/repos/ursa-labs/ursabot/statuses/{sha}",
+        "subscribers_url": "https://api.github.com/repos/ursa-labs/ursabot/subscribers",
+        "subscription_url": "https://api.github.com/repos/ursa-labs/ursabot/subscription",
+        "svn_url": "https://github.com/ursa-labs/ursabot",
+        "tags_url": "https://api.github.com/repos/ursa-labs/ursabot/tags",
+        "teams_url": "https://api.github.com/repos/ursa-labs/ursabot/teams",
+        "trees_url": "https://api.github.com/repos/ursa-labs/ursabot/git/trees{/sha}",
+        "updated_at": "2019-04-04T17:49:10Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot",
+        "watchers": 1,
+        "watchers_count": 1
+    },
+    "sender": {
+        "avatar_url": "https://avatars2.githubusercontent.com/u/49275095?v=4",
+        "events_url": "https://api.github.com/users/ursabot/events{/privacy}",
+        "followers_url": "https://api.github.com/users/ursabot/followers",
+        "following_url": "https://api.github.com/users/ursabot/following{/other_user}",
+        "gists_url": "https://api.github.com/users/ursabot/gists{/gist_id}",
+        "gravatar_id": "",
+        "html_url": "https://github.com/ursabot",
+        "id": 49275095,
+        "login": "someone",
+        "node_id": "MDQ6VXNlcjQ5Mjc1MDk1",
+        "organizations_url": "https://api.github.com/users/ursabot/orgs",
+        "received_events_url": "https://api.github.com/users/ursabot/received_events",
+        "repos_url": "https://api.github.com/users/ursabot/repos",
+        "site_admin": false,
+        "starred_url": "https://api.github.com/users/ursabot/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/ursabot/subscriptions",
+        "type": "User",
+        "url": "https://api.github.com/users/ursabot"
+    }
+}
\ No newline at end of file
diff --git a/dev/archery/archery/tests/fixtures/event-issue-comment-by-ursabot.json b/dev/archery/archery/tests/fixtures/event-issue-comment-by-ursabot.json
new file mode 100644
index 00000000000..bfb7210df8a
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/event-issue-comment-by-ursabot.json
@@ -0,0 +1,212 @@
+{
+    "action": "created",
+    "comment": {
+        "author_association": "NONE",
+        "body": "Unknown command \"\"",
+        "created_at": "2019-04-05T11:35:47Z",
+        "html_url": "https://github.com/ursa-labs/ursabot/pull/26#issuecomment-480243815",
+        "id": 480243815,
+        "issue_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26",
+        "node_id": "MDEyOklzc3VlQ29tbWVudDQ4MDI0MzgxNQ==",
+        "updated_at": "2019-04-05T11:35:47Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments/480243815",
+        "user": {
+            "avatar_url": "https://avatars2.githubusercontent.com/u/49275095?v=4",
+            "events_url": "https://api.github.com/users/ursabot/events{/privacy}",
+            "followers_url": "https://api.github.com/users/ursabot/followers",
+            "following_url": "https://api.github.com/users/ursabot/following{/other_user}",
+            "gists_url": "https://api.github.com/users/ursabot/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/ursabot",
+            "id": 49275095,
+            "login": "ursabot",
+            "node_id": "MDQ6VXNlcjQ5Mjc1MDk1",
+            "organizations_url": "https://api.github.com/users/ursabot/orgs",
+            "received_events_url": "https://api.github.com/users/ursabot/received_events",
+            "repos_url": "https://api.github.com/users/ursabot/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/ursabot/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/ursabot/subscriptions",
+            "type": "User",
+            "url": "https://api.github.com/users/ursabot"
+        }
+    },
+    "issue": {
+        "assignee": null,
+        "assignees": [],
+        "author_association": "MEMBER",
+        "body": "",
+        "closed_at": null,
+        "comments": 2,
+        "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/comments",
+        "created_at": "2019-04-05T11:22:15Z",
+        "events_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/events",
+        "html_url": "https://github.com/ursa-labs/ursabot/pull/26",
+        "id": 429706959,
+        "labels": [],
+        "labels_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/labels{/name}",
+        "locked": false,
+        "milestone": null,
+        "node_id": "MDExOlB1bGxSZXF1ZXN0MjY3Nzg1NTUy",
+        "number": 26,
+        "pull_request": {
+            "diff_url": "https://github.com/ursa-labs/ursabot/pull/26.diff",
+            "html_url": "https://github.com/ursa-labs/ursabot/pull/26",
+            "patch_url": "https://github.com/ursa-labs/ursabot/pull/26.patch",
+            "url": "https://api.github.com/repos/ursa-labs/ursabot/pulls/26"
+        },
+        "repository_url": "https://api.github.com/repos/ursa-labs/ursabot",
+        "state": "open",
+        "title": "Unittests for GithubHook",
+        "updated_at": "2019-04-05T11:35:47Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26",
+        "user": {
+            "avatar_url": "https://avatars1.githubusercontent.com/u/961747?v=4",
+            "events_url": "https://api.github.com/users/kszucs/events{/privacy}",
+            "followers_url": "https://api.github.com/users/kszucs/followers",
+            "following_url": "https://api.github.com/users/kszucs/following{/other_user}",
+            "gists_url": "https://api.github.com/users/kszucs/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/kszucs",
+            "id": 961747,
+            "login": "kszucs",
+            "node_id": "MDQ6VXNlcjk2MTc0Nw==",
+            "organizations_url": "https://api.github.com/users/kszucs/orgs",
+            "received_events_url": "https://api.github.com/users/kszucs/received_events",
+            "repos_url": "https://api.github.com/users/kszucs/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/kszucs/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/kszucs/subscriptions",
+            "type": "User",
+            "url": "https://api.github.com/users/kszucs"
+        }
+    },
+    "organization": {
+        "avatar_url": "https://avatars2.githubusercontent.com/u/46514972?v=4",
+        "description": "Innovation lab for open source data science tools, powered by Apache Arrow",
+        "events_url": "https://api.github.com/orgs/ursa-labs/events",
+        "hooks_url": "https://api.github.com/orgs/ursa-labs/hooks",
+        "id": 46514972,
+        "issues_url": "https://api.github.com/orgs/ursa-labs/issues",
+        "login": "ursa-labs",
+        "members_url": "https://api.github.com/orgs/ursa-labs/members{/member}",
+        "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy",
+        "public_members_url": "https://api.github.com/orgs/ursa-labs/public_members{/member}",
+        "repos_url": "https://api.github.com/orgs/ursa-labs/repos",
+        "url": "https://api.github.com/orgs/ursa-labs"
+    },
+    "repository": {
+        "archive_url": "https://api.github.com/repos/ursa-labs/ursabot/{archive_format}{/ref}",
+        "archived": false,
+        "assignees_url": "https://api.github.com/repos/ursa-labs/ursabot/assignees{/user}",
+        "blobs_url": "https://api.github.com/repos/ursa-labs/ursabot/git/blobs{/sha}",
+        "branches_url": "https://api.github.com/repos/ursa-labs/ursabot/branches{/branch}",
+        "clone_url": "https://github.com/ursa-labs/ursabot.git",
+        "collaborators_url": "https://api.github.com/repos/ursa-labs/ursabot/collaborators{/collaborator}",
+        "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/comments{/number}",
+        "commits_url": "https://api.github.com/repos/ursa-labs/ursabot/commits{/sha}",
+        "compare_url": "https://api.github.com/repos/ursa-labs/ursabot/compare/{base}...{head}",
+        "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/{+path}",
+        "contributors_url": "https://api.github.com/repos/ursa-labs/ursabot/contributors",
+        "created_at": "2019-02-04T15:40:31Z",
+        "default_branch": "master",
+        "deployments_url": "https://api.github.com/repos/ursa-labs/ursabot/deployments",
+        "description": null,
+        "disabled": false,
+        "downloads_url": "https://api.github.com/repos/ursa-labs/ursabot/downloads",
+        "events_url": "https://api.github.com/repos/ursa-labs/ursabot/events",
+        "fork": false,
+        "forks": 0,
+        "forks_count": 0,
+        "forks_url": "https://api.github.com/repos/ursa-labs/ursabot/forks",
+        "full_name": "ursa-labs/ursabot",
+        "git_commits_url": "https://api.github.com/repos/ursa-labs/ursabot/git/commits{/sha}",
+        "git_refs_url": "https://api.github.com/repos/ursa-labs/ursabot/git/refs{/sha}",
+        "git_tags_url": "https://api.github.com/repos/ursa-labs/ursabot/git/tags{/sha}",
+        "git_url": "git://github.com/ursa-labs/ursabot.git",
+        "has_downloads": true,
+        "has_issues": true,
+        "has_pages": false,
+        "has_projects": true,
+        "has_wiki": true,
+        "homepage": null,
+        "hooks_url": "https://api.github.com/repos/ursa-labs/ursabot/hooks",
+        "html_url": "https://github.com/ursa-labs/ursabot",
+        "id": 169101701,
+        "issue_comment_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments{/number}",
+        "issue_events_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/events{/number}",
+        "issues_url": "https://api.github.com/repos/ursa-labs/ursabot/issues{/number}",
+        "keys_url": "https://api.github.com/repos/ursa-labs/ursabot/keys{/key_id}",
+        "labels_url": "https://api.github.com/repos/ursa-labs/ursabot/labels{/name}",
+        "language": "Jupyter Notebook",
+        "languages_url": "https://api.github.com/repos/ursa-labs/ursabot/languages",
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+        "merges_url": "https://api.github.com/repos/ursa-labs/ursabot/merges",
+        "milestones_url": "https://api.github.com/repos/ursa-labs/ursabot/milestones{/number}",
+        "mirror_url": null,
+        "name": "ursabot",
+        "node_id": "MDEwOlJlcG9zaXRvcnkxNjkxMDE3MDE=",
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+        "owner": {
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+            "followers_url": "https://api.github.com/users/ursa-labs/followers",
+            "following_url": "https://api.github.com/users/ursa-labs/following{/other_user}",
+            "gists_url": "https://api.github.com/users/ursa-labs/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/ursa-labs",
+            "id": 46514972,
+            "login": "ursa-labs",
+            "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy",
+            "organizations_url": "https://api.github.com/users/ursa-labs/orgs",
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+            "repos_url": "https://api.github.com/users/ursa-labs/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/ursa-labs/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/ursa-labs/subscriptions",
+            "type": "Organization",
+            "url": "https://api.github.com/users/ursa-labs"
+        },
+        "private": false,
+        "pulls_url": "https://api.github.com/repos/ursa-labs/ursabot/pulls{/number}",
+        "pushed_at": "2019-04-05T11:22:16Z",
+        "releases_url": "https://api.github.com/repos/ursa-labs/ursabot/releases{/id}",
+        "size": 892,
+        "ssh_url": "git@github.com:ursa-labs/ursabot.git",
+        "stargazers_count": 1,
+        "stargazers_url": "https://api.github.com/repos/ursa-labs/ursabot/stargazers",
+        "statuses_url": "https://api.github.com/repos/ursa-labs/ursabot/statuses/{sha}",
+        "subscribers_url": "https://api.github.com/repos/ursa-labs/ursabot/subscribers",
+        "subscription_url": "https://api.github.com/repos/ursa-labs/ursabot/subscription",
+        "svn_url": "https://github.com/ursa-labs/ursabot",
+        "tags_url": "https://api.github.com/repos/ursa-labs/ursabot/tags",
+        "teams_url": "https://api.github.com/repos/ursa-labs/ursabot/teams",
+        "trees_url": "https://api.github.com/repos/ursa-labs/ursabot/git/trees{/sha}",
+        "updated_at": "2019-04-04T17:49:10Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot",
+        "watchers": 1,
+        "watchers_count": 1
+    },
+    "sender": {
+        "avatar_url": "https://avatars2.githubusercontent.com/u/49275095?v=4",
+        "events_url": "https://api.github.com/users/ursabot/events{/privacy}",
+        "followers_url": "https://api.github.com/users/ursabot/followers",
+        "following_url": "https://api.github.com/users/ursabot/following{/other_user}",
+        "gists_url": "https://api.github.com/users/ursabot/gists{/gist_id}",
+        "gravatar_id": "",
+        "html_url": "https://github.com/ursabot",
+        "id": 49275095,
+        "login": "ursabot",
+        "node_id": "MDQ6VXNlcjQ5Mjc1MDk1",
+        "organizations_url": "https://api.github.com/users/ursabot/orgs",
+        "received_events_url": "https://api.github.com/users/ursabot/received_events",
+        "repos_url": "https://api.github.com/users/ursabot/repos",
+        "site_admin": false,
+        "starred_url": "https://api.github.com/users/ursabot/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/ursabot/subscriptions",
+        "type": "User",
+        "url": "https://api.github.com/users/ursabot"
+    }
+}
\ No newline at end of file
diff --git a/dev/archery/archery/tests/fixtures/event-issue-comment-not-mentioning-ursabot.json b/dev/archery/archery/tests/fixtures/event-issue-comment-not-mentioning-ursabot.json
new file mode 100644
index 00000000000..a3d450078ae
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/event-issue-comment-not-mentioning-ursabot.json
@@ -0,0 +1,212 @@
+{
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+    "comment": {
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+        "created_at": "2019-04-05T11:26:56Z",
+        "html_url": "https://github.com/ursa-labs/ursabot/pull/26#issuecomment-480241727",
+        "id": 480241727,
+        "issue_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26",
+        "node_id": "MDEyOklzc3VlQ29tbWVudDQ4MDI0MTcyNw==",
+        "updated_at": "2019-04-05T11:26:56Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments/480241727",
+        "user": {
+            "avatar_url": "https://avatars1.githubusercontent.com/u/961747?v=4",
+            "events_url": "https://api.github.com/users/kszucs/events{/privacy}",
+            "followers_url": "https://api.github.com/users/kszucs/followers",
+            "following_url": "https://api.github.com/users/kszucs/following{/other_user}",
+            "gists_url": "https://api.github.com/users/kszucs/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/kszucs",
+            "id": 961747,
+            "login": "kszucs",
+            "node_id": "MDQ6VXNlcjk2MTc0Nw==",
+            "organizations_url": "https://api.github.com/users/kszucs/orgs",
+            "received_events_url": "https://api.github.com/users/kszucs/received_events",
+            "repos_url": "https://api.github.com/users/kszucs/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/kszucs/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/kszucs/subscriptions",
+            "type": "User",
+            "url": "https://api.github.com/users/kszucs"
+        }
+    },
+    "issue": {
+        "assignee": null,
+        "assignees": [],
+        "author_association": "MEMBER",
+        "body": "",
+        "closed_at": null,
+        "comments": 0,
+        "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/comments",
+        "created_at": "2019-04-05T11:22:15Z",
+        "events_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/events",
+        "html_url": "https://github.com/ursa-labs/ursabot/pull/26",
+        "id": 429706959,
+        "labels": [],
+        "labels_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/labels{/name}",
+        "locked": false,
+        "milestone": null,
+        "node_id": "MDExOlB1bGxSZXF1ZXN0MjY3Nzg1NTUy",
+        "number": 26,
+        "pull_request": {
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+            "html_url": "https://github.com/ursa-labs/ursabot/pull/26",
+            "patch_url": "https://github.com/ursa-labs/ursabot/pull/26.patch",
+            "url": "https://api.github.com/repos/ursa-labs/ursabot/pulls/26"
+        },
+        "repository_url": "https://api.github.com/repos/ursa-labs/ursabot",
+        "state": "open",
+        "title": "Unittests for GithubHook",
+        "updated_at": "2019-04-05T11:26:56Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26",
+        "user": {
+            "avatar_url": "https://avatars1.githubusercontent.com/u/961747?v=4",
+            "events_url": "https://api.github.com/users/kszucs/events{/privacy}",
+            "followers_url": "https://api.github.com/users/kszucs/followers",
+            "following_url": "https://api.github.com/users/kszucs/following{/other_user}",
+            "gists_url": "https://api.github.com/users/kszucs/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/kszucs",
+            "id": 961747,
+            "login": "kszucs",
+            "node_id": "MDQ6VXNlcjk2MTc0Nw==",
+            "organizations_url": "https://api.github.com/users/kszucs/orgs",
+            "received_events_url": "https://api.github.com/users/kszucs/received_events",
+            "repos_url": "https://api.github.com/users/kszucs/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/kszucs/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/kszucs/subscriptions",
+            "type": "User",
+            "url": "https://api.github.com/users/kszucs"
+        }
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+    "organization": {
+        "avatar_url": "https://avatars2.githubusercontent.com/u/46514972?v=4",
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+        "events_url": "https://api.github.com/orgs/ursa-labs/events",
+        "hooks_url": "https://api.github.com/orgs/ursa-labs/hooks",
+        "id": 46514972,
+        "issues_url": "https://api.github.com/orgs/ursa-labs/issues",
+        "login": "ursa-labs",
+        "members_url": "https://api.github.com/orgs/ursa-labs/members{/member}",
+        "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy",
+        "public_members_url": "https://api.github.com/orgs/ursa-labs/public_members{/member}",
+        "repos_url": "https://api.github.com/orgs/ursa-labs/repos",
+        "url": "https://api.github.com/orgs/ursa-labs"
+    },
+    "repository": {
+        "archive_url": "https://api.github.com/repos/ursa-labs/ursabot/{archive_format}{/ref}",
+        "archived": false,
+        "assignees_url": "https://api.github.com/repos/ursa-labs/ursabot/assignees{/user}",
+        "blobs_url": "https://api.github.com/repos/ursa-labs/ursabot/git/blobs{/sha}",
+        "branches_url": "https://api.github.com/repos/ursa-labs/ursabot/branches{/branch}",
+        "clone_url": "https://github.com/ursa-labs/ursabot.git",
+        "collaborators_url": "https://api.github.com/repos/ursa-labs/ursabot/collaborators{/collaborator}",
+        "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/comments{/number}",
+        "commits_url": "https://api.github.com/repos/ursa-labs/ursabot/commits{/sha}",
+        "compare_url": "https://api.github.com/repos/ursa-labs/ursabot/compare/{base}...{head}",
+        "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/{+path}",
+        "contributors_url": "https://api.github.com/repos/ursa-labs/ursabot/contributors",
+        "created_at": "2019-02-04T15:40:31Z",
+        "default_branch": "master",
+        "deployments_url": "https://api.github.com/repos/ursa-labs/ursabot/deployments",
+        "description": null,
+        "disabled": false,
+        "downloads_url": "https://api.github.com/repos/ursa-labs/ursabot/downloads",
+        "events_url": "https://api.github.com/repos/ursa-labs/ursabot/events",
+        "fork": false,
+        "forks": 0,
+        "forks_count": 0,
+        "forks_url": "https://api.github.com/repos/ursa-labs/ursabot/forks",
+        "full_name": "ursa-labs/ursabot",
+        "git_commits_url": "https://api.github.com/repos/ursa-labs/ursabot/git/commits{/sha}",
+        "git_refs_url": "https://api.github.com/repos/ursa-labs/ursabot/git/refs{/sha}",
+        "git_tags_url": "https://api.github.com/repos/ursa-labs/ursabot/git/tags{/sha}",
+        "git_url": "git://github.com/ursa-labs/ursabot.git",
+        "has_downloads": true,
+        "has_issues": true,
+        "has_pages": false,
+        "has_projects": true,
+        "has_wiki": true,
+        "homepage": null,
+        "hooks_url": "https://api.github.com/repos/ursa-labs/ursabot/hooks",
+        "html_url": "https://github.com/ursa-labs/ursabot",
+        "id": 169101701,
+        "issue_comment_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments{/number}",
+        "issue_events_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/events{/number}",
+        "issues_url": "https://api.github.com/repos/ursa-labs/ursabot/issues{/number}",
+        "keys_url": "https://api.github.com/repos/ursa-labs/ursabot/keys{/key_id}",
+        "labels_url": "https://api.github.com/repos/ursa-labs/ursabot/labels{/name}",
+        "language": "Jupyter Notebook",
+        "languages_url": "https://api.github.com/repos/ursa-labs/ursabot/languages",
+        "license": null,
+        "merges_url": "https://api.github.com/repos/ursa-labs/ursabot/merges",
+        "milestones_url": "https://api.github.com/repos/ursa-labs/ursabot/milestones{/number}",
+        "mirror_url": null,
+        "name": "ursabot",
+        "node_id": "MDEwOlJlcG9zaXRvcnkxNjkxMDE3MDE=",
+        "notifications_url": "https://api.github.com/repos/ursa-labs/ursabot/notifications{?since,all,participating}",
+        "open_issues": 19,
+        "open_issues_count": 19,
+        "owner": {
+            "avatar_url": "https://avatars2.githubusercontent.com/u/46514972?v=4",
+            "events_url": "https://api.github.com/users/ursa-labs/events{/privacy}",
+            "followers_url": "https://api.github.com/users/ursa-labs/followers",
+            "following_url": "https://api.github.com/users/ursa-labs/following{/other_user}",
+            "gists_url": "https://api.github.com/users/ursa-labs/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/ursa-labs",
+            "id": 46514972,
+            "login": "ursa-labs",
+            "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy",
+            "organizations_url": "https://api.github.com/users/ursa-labs/orgs",
+            "received_events_url": "https://api.github.com/users/ursa-labs/received_events",
+            "repos_url": "https://api.github.com/users/ursa-labs/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/ursa-labs/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/ursa-labs/subscriptions",
+            "type": "Organization",
+            "url": "https://api.github.com/users/ursa-labs"
+        },
+        "private": false,
+        "pulls_url": "https://api.github.com/repos/ursa-labs/ursabot/pulls{/number}",
+        "pushed_at": "2019-04-05T11:22:16Z",
+        "releases_url": "https://api.github.com/repos/ursa-labs/ursabot/releases{/id}",
+        "size": 892,
+        "ssh_url": "git@github.com:ursa-labs/ursabot.git",
+        "stargazers_count": 1,
+        "stargazers_url": "https://api.github.com/repos/ursa-labs/ursabot/stargazers",
+        "statuses_url": "https://api.github.com/repos/ursa-labs/ursabot/statuses/{sha}",
+        "subscribers_url": "https://api.github.com/repos/ursa-labs/ursabot/subscribers",
+        "subscription_url": "https://api.github.com/repos/ursa-labs/ursabot/subscription",
+        "svn_url": "https://github.com/ursa-labs/ursabot",
+        "tags_url": "https://api.github.com/repos/ursa-labs/ursabot/tags",
+        "teams_url": "https://api.github.com/repos/ursa-labs/ursabot/teams",
+        "trees_url": "https://api.github.com/repos/ursa-labs/ursabot/git/trees{/sha}",
+        "updated_at": "2019-04-04T17:49:10Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot",
+        "watchers": 1,
+        "watchers_count": 1
+    },
+    "sender": {
+        "avatar_url": "https://avatars1.githubusercontent.com/u/961747?v=4",
+        "events_url": "https://api.github.com/users/kszucs/events{/privacy}",
+        "followers_url": "https://api.github.com/users/kszucs/followers",
+        "following_url": "https://api.github.com/users/kszucs/following{/other_user}",
+        "gists_url": "https://api.github.com/users/kszucs/gists{/gist_id}",
+        "gravatar_id": "",
+        "html_url": "https://github.com/kszucs",
+        "id": 961747,
+        "login": "kszucs",
+        "node_id": "MDQ6VXNlcjk2MTc0Nw==",
+        "organizations_url": "https://api.github.com/users/kszucs/orgs",
+        "received_events_url": "https://api.github.com/users/kszucs/received_events",
+        "repos_url": "https://api.github.com/users/kszucs/repos",
+        "site_admin": false,
+        "starred_url": "https://api.github.com/users/kszucs/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/kszucs/subscriptions",
+        "type": "User",
+        "url": "https://api.github.com/users/kszucs"
+    }
+}
\ No newline at end of file
diff --git a/dev/archery/archery/tests/fixtures/event-issue-comment-with-empty-command.json b/dev/archery/archery/tests/fixtures/event-issue-comment-with-empty-command.json
new file mode 100644
index 00000000000..c88197c8e02
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/event-issue-comment-with-empty-command.json
@@ -0,0 +1,217 @@
+{
+    "action": "created",
+    "comment": {
+        "author_association": "MEMBER",
+        "body": "@ursabot ",
+        "body_html": "",
+        "body_text": "",
+        "created_at": "2019-04-05T11:35:46Z",
+        "html_url": "https://github.com/ursa-labs/ursabot/pull/26#issuecomment-480243811",
+        "id": 480243811,
+        "issue_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26",
+        "node_id": "MDEyOklzc3VlQ29tbWVudDQ4MDI0MzgxMQ==",
+        "updated_at": "2019-04-05T11:35:46Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments/480243811",
+        "user": {
+            "avatar_url": "https://avatars1.githubusercontent.com/u/961747?v=4",
+            "events_url": "https://api.github.com/users/kszucs/events{/privacy}",
+            "followers_url": "https://api.github.com/users/kszucs/followers",
+            "following_url": "https://api.github.com/users/kszucs/following{/other_user}",
+            "gists_url": "https://api.github.com/users/kszucs/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/kszucs",
+            "id": 961747,
+            "login": "kszucs",
+            "node_id": "MDQ6VXNlcjk2MTc0Nw==",
+            "organizations_url": "https://api.github.com/users/kszucs/orgs",
+            "received_events_url": "https://api.github.com/users/kszucs/received_events",
+            "repos_url": "https://api.github.com/users/kszucs/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/kszucs/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/kszucs/subscriptions",
+            "type": "User",
+            "url": "https://api.github.com/users/kszucs"
+        }
+    },
+    "issue": {
+        "assignee": null,
+        "assignees": [],
+        "author_association": "MEMBER",
+        "body": "",
+        "body_html": "",
+        "body_text": "",
+        "closed_at": null,
+        "closed_by": null,
+        "comments": 1,
+        "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/comments",
+        "created_at": "2019-04-05T11:22:15Z",
+        "events_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/events",
+        "html_url": "https://github.com/ursa-labs/ursabot/pull/26",
+        "id": 429706959,
+        "labels": [],
+        "labels_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/labels{/name}",
+        "locked": false,
+        "milestone": null,
+        "node_id": "MDExOlB1bGxSZXF1ZXN0MjY3Nzg1NTUy",
+        "number": 26,
+        "pull_request": {
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+        },
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+        "user": {
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+            "gravatar_id": "",
+            "html_url": "https://github.com/kszucs",
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+            "repos_url": "https://api.github.com/users/kszucs/repos",
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+            "starred_url": "https://api.github.com/users/kszucs/starred{/owner}{/repo}",
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+        "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy",
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+        "repos_url": "https://api.github.com/orgs/ursa-labs/repos",
+        "url": "https://api.github.com/orgs/ursa-labs"
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+        "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/{+path}",
+        "contributors_url": "https://api.github.com/repos/ursa-labs/ursabot/contributors",
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+        "disabled": false,
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+        "events_url": "https://api.github.com/repos/ursa-labs/ursabot/events",
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+        "html_url": "https://github.com/ursa-labs/ursabot",
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+        "issue_comment_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments{/number}",
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+        "issues_url": "https://api.github.com/repos/ursa-labs/ursabot/issues{/number}",
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+        "name": "ursabot",
+        "node_id": "MDEwOlJlcG9zaXRvcnkxNjkxMDE3MDE=",
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+            "html_url": "https://github.com/ursa-labs",
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+            "login": "ursa-labs",
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+            "organizations_url": "https://api.github.com/users/ursa-labs/orgs",
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+            "starred_url": "https://api.github.com/users/ursa-labs/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/ursa-labs/subscriptions",
+            "type": "Organization",
+            "url": "https://api.github.com/users/ursa-labs"
+        },
+        "private": false,
+        "pulls_url": "https://api.github.com/repos/ursa-labs/ursabot/pulls{/number}",
+        "pushed_at": "2019-04-05T11:22:16Z",
+        "releases_url": "https://api.github.com/repos/ursa-labs/ursabot/releases{/id}",
+        "size": 892,
+        "ssh_url": "git@github.com:ursa-labs/ursabot.git",
+        "stargazers_count": 1,
+        "stargazers_url": "https://api.github.com/repos/ursa-labs/ursabot/stargazers",
+        "statuses_url": "https://api.github.com/repos/ursa-labs/ursabot/statuses/{sha}",
+        "subscribers_url": "https://api.github.com/repos/ursa-labs/ursabot/subscribers",
+        "subscription_url": "https://api.github.com/repos/ursa-labs/ursabot/subscription",
+        "svn_url": "https://github.com/ursa-labs/ursabot",
+        "tags_url": "https://api.github.com/repos/ursa-labs/ursabot/tags",
+        "teams_url": "https://api.github.com/repos/ursa-labs/ursabot/teams",
+        "trees_url": "https://api.github.com/repos/ursa-labs/ursabot/git/trees{/sha}",
+        "updated_at": "2019-04-04T17:49:10Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot",
+        "watchers": 1,
+        "watchers_count": 1
+    },
+    "sender": {
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+        "followers_url": "https://api.github.com/users/kszucs/followers",
+        "following_url": "https://api.github.com/users/kszucs/following{/other_user}",
+        "gists_url": "https://api.github.com/users/kszucs/gists{/gist_id}",
+        "gravatar_id": "",
+        "html_url": "https://github.com/kszucs",
+        "id": 961747,
+        "login": "kszucs",
+        "node_id": "MDQ6VXNlcjk2MTc0Nw==",
+        "organizations_url": "https://api.github.com/users/kszucs/orgs",
+        "received_events_url": "https://api.github.com/users/kszucs/received_events",
+        "repos_url": "https://api.github.com/users/kszucs/repos",
+        "site_admin": false,
+        "starred_url": "https://api.github.com/users/kszucs/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/kszucs/subscriptions",
+        "type": "User",
+        "url": "https://api.github.com/users/kszucs"
+    }
+}
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diff --git a/dev/archery/archery/tests/fixtures/event-issue-comment-without-pull-request.json b/dev/archery/archery/tests/fixtures/event-issue-comment-without-pull-request.json
new file mode 100644
index 00000000000..9e362fc0e1b
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/event-issue-comment-without-pull-request.json
@@ -0,0 +1,206 @@
+{
+    "action": "created",
+    "comment": {
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+        "body": "@ursabot build",
+        "created_at": "2019-04-05T13:07:57Z",
+        "html_url": "https://github.com/ursa-labs/ursabot/issues/19#issuecomment-480268708",
+        "id": 480268708,
+        "issue_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/19",
+        "node_id": "MDEyOklzc3VlQ29tbWVudDQ4MDI2ODcwOA==",
+        "updated_at": "2019-04-05T13:07:57Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments/480268708",
+        "user": {
+            "avatar_url": "https://avatars1.githubusercontent.com/u/961747?v=4",
+            "events_url": "https://api.github.com/users/kszucs/events{/privacy}",
+            "followers_url": "https://api.github.com/users/kszucs/followers",
+            "following_url": "https://api.github.com/users/kszucs/following{/other_user}",
+            "gists_url": "https://api.github.com/users/kszucs/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/kszucs",
+            "id": 961747,
+            "login": "kszucs",
+            "node_id": "MDQ6VXNlcjk2MTc0Nw==",
+            "organizations_url": "https://api.github.com/users/kszucs/orgs",
+            "received_events_url": "https://api.github.com/users/kszucs/received_events",
+            "repos_url": "https://api.github.com/users/kszucs/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/kszucs/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/kszucs/subscriptions",
+            "type": "User",
+            "url": "https://api.github.com/users/kszucs"
+        }
+    },
+    "issue": {
+        "assignee": null,
+        "assignees": [],
+        "author_association": "MEMBER",
+        "body": "",
+        "closed_at": null,
+        "comments": 5,
+        "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/19/comments",
+        "created_at": "2019-04-02T09:56:41Z",
+        "events_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/19/events",
+        "html_url": "https://github.com/ursa-labs/ursabot/issues/19",
+        "id": 428131685,
+        "labels": [],
+        "labels_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/19/labels{/name}",
+        "locked": false,
+        "milestone": null,
+        "node_id": "MDU6SXNzdWU0MjgxMzE2ODU=",
+        "number": 19,
+        "repository_url": "https://api.github.com/repos/ursa-labs/ursabot",
+        "state": "open",
+        "title": "Build ursabot itself via ursabot",
+        "updated_at": "2019-04-05T13:07:57Z",
+        "url": "https://api.github.com/repos/ursa-labs/ursabot/issues/19",
+        "user": {
+            "avatar_url": "https://avatars1.githubusercontent.com/u/961747?v=4",
+            "events_url": "https://api.github.com/users/kszucs/events{/privacy}",
+            "followers_url": "https://api.github.com/users/kszucs/followers",
+            "following_url": "https://api.github.com/users/kszucs/following{/other_user}",
+            "gists_url": "https://api.github.com/users/kszucs/gists{/gist_id}",
+            "gravatar_id": "",
+            "html_url": "https://github.com/kszucs",
+            "id": 961747,
+            "login": "kszucs",
+            "node_id": "MDQ6VXNlcjk2MTc0Nw==",
+            "organizations_url": "https://api.github.com/users/kszucs/orgs",
+            "received_events_url": "https://api.github.com/users/kszucs/received_events",
+            "repos_url": "https://api.github.com/users/kszucs/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/kszucs/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/kszucs/subscriptions",
+            "type": "User",
+            "url": "https://api.github.com/users/kszucs"
+        }
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+    "organization": {
+        "avatar_url": "https://avatars2.githubusercontent.com/u/46514972?v=4",
+        "description": "Innovation lab for open source data science tools, powered by Apache Arrow",
+        "events_url": "https://api.github.com/orgs/ursa-labs/events",
+        "hooks_url": "https://api.github.com/orgs/ursa-labs/hooks",
+        "id": 46514972,
+        "issues_url": "https://api.github.com/orgs/ursa-labs/issues",
+        "login": "ursa-labs",
+        "members_url": "https://api.github.com/orgs/ursa-labs/members{/member}",
+        "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy",
+        "public_members_url": "https://api.github.com/orgs/ursa-labs/public_members{/member}",
+        "repos_url": "https://api.github.com/orgs/ursa-labs/repos",
+        "url": "https://api.github.com/orgs/ursa-labs"
+    },
+    "repository": {
+        "archive_url": "https://api.github.com/repos/ursa-labs/ursabot/{archive_format}{/ref}",
+        "archived": false,
+        "assignees_url": "https://api.github.com/repos/ursa-labs/ursabot/assignees{/user}",
+        "blobs_url": "https://api.github.com/repos/ursa-labs/ursabot/git/blobs{/sha}",
+        "branches_url": "https://api.github.com/repos/ursa-labs/ursabot/branches{/branch}",
+        "clone_url": "https://github.com/ursa-labs/ursabot.git",
+        "collaborators_url": "https://api.github.com/repos/ursa-labs/ursabot/collaborators{/collaborator}",
+        "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/comments{/number}",
+        "commits_url": "https://api.github.com/repos/ursa-labs/ursabot/commits{/sha}",
+        "compare_url": "https://api.github.com/repos/ursa-labs/ursabot/compare/{base}...{head}",
+        "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/{+path}",
+        "contributors_url": "https://api.github.com/repos/ursa-labs/ursabot/contributors",
+        "created_at": "2019-02-04T15:40:31Z",
+        "default_branch": "master",
+        "deployments_url": "https://api.github.com/repos/ursa-labs/ursabot/deployments",
+        "description": null,
+        "disabled": false,
+        "downloads_url": "https://api.github.com/repos/ursa-labs/ursabot/downloads",
+        "events_url": "https://api.github.com/repos/ursa-labs/ursabot/events",
+        "fork": false,
+        "forks": 0,
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+        "forks_url": "https://api.github.com/repos/ursa-labs/ursabot/forks",
+        "full_name": "ursa-labs/ursabot",
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+        "git_refs_url": "https://api.github.com/repos/ursa-labs/ursabot/git/refs{/sha}",
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+        "git_url": "git://github.com/ursa-labs/ursabot.git",
+        "has_downloads": true,
+        "has_issues": true,
+        "has_pages": false,
+        "has_projects": true,
+        "has_wiki": true,
+        "homepage": null,
+        "hooks_url": "https://api.github.com/repos/ursa-labs/ursabot/hooks",
+        "html_url": "https://github.com/ursa-labs/ursabot",
+        "id": 169101701,
+        "issue_comment_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments{/number}",
+        "issue_events_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/events{/number}",
+        "issues_url": "https://api.github.com/repos/ursa-labs/ursabot/issues{/number}",
+        "keys_url": "https://api.github.com/repos/ursa-labs/ursabot/keys{/key_id}",
+        "labels_url": "https://api.github.com/repos/ursa-labs/ursabot/labels{/name}",
+        "language": "Jupyter Notebook",
+        "languages_url": "https://api.github.com/repos/ursa-labs/ursabot/languages",
+        "license": null,
+        "merges_url": "https://api.github.com/repos/ursa-labs/ursabot/merges",
+        "milestones_url": "https://api.github.com/repos/ursa-labs/ursabot/milestones{/number}",
+        "mirror_url": null,
+        "name": "ursabot",
+        "node_id": "MDEwOlJlcG9zaXRvcnkxNjkxMDE3MDE=",
+        "notifications_url": "https://api.github.com/repos/ursa-labs/ursabot/notifications{?since,all,participating}",
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+        "open_issues_count": 19,
+        "owner": {
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+            "gravatar_id": "",
+            "html_url": "https://github.com/ursa-labs",
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+            "organizations_url": "https://api.github.com/users/ursa-labs/orgs",
+            "received_events_url": "https://api.github.com/users/ursa-labs/received_events",
+            "repos_url": "https://api.github.com/users/ursa-labs/repos",
+            "site_admin": false,
+            "starred_url": "https://api.github.com/users/ursa-labs/starred{/owner}{/repo}",
+            "subscriptions_url": "https://api.github.com/users/ursa-labs/subscriptions",
+            "type": "Organization",
+            "url": "https://api.github.com/users/ursa-labs"
+        },
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+        "pulls_url": "https://api.github.com/repos/ursa-labs/ursabot/pulls{/number}",
+        "pushed_at": "2019-04-05T12:01:40Z",
+        "releases_url": "https://api.github.com/repos/ursa-labs/ursabot/releases{/id}",
+        "size": 898,
+        "ssh_url": "git@github.com:ursa-labs/ursabot.git",
+        "stargazers_count": 1,
+        "stargazers_url": "https://api.github.com/repos/ursa-labs/ursabot/stargazers",
+        "statuses_url": "https://api.github.com/repos/ursa-labs/ursabot/statuses/{sha}",
+        "subscribers_url": "https://api.github.com/repos/ursa-labs/ursabot/subscribers",
+        "subscription_url": "https://api.github.com/repos/ursa-labs/ursabot/subscription",
+        "svn_url": "https://github.com/ursa-labs/ursabot",
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+        "teams_url": "https://api.github.com/repos/ursa-labs/ursabot/teams",
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diff --git a/dev/archery/archery/tests/fixtures/event-pull-request-opened.json b/dev/archery/archery/tests/fixtures/event-pull-request-opened.json
new file mode 100644
index 00000000000..9cf5c0dda78
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/event-pull-request-opened.json
@@ -0,0 +1,445 @@
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+      "html_url": "https://github.com/kszucs",
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diff --git a/dev/archery/archery/tests/fixtures/issue-19.json b/dev/archery/archery/tests/fixtures/issue-19.json
new file mode 100644
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diff --git a/dev/archery/archery/tests/fixtures/issue-26.json b/dev/archery/archery/tests/fixtures/issue-26.json
new file mode 100644
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diff --git a/dev/archery/archery/tests/fixtures/issue-comment-480243811.json b/dev/archery/archery/tests/fixtures/issue-comment-480243811.json
new file mode 100644
index 00000000000..93ee4b13cd4
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/issue-comment-480243811.json
@@ -0,0 +1,31 @@
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\ No newline at end of file
diff --git a/dev/archery/archery/tests/fixtures/issue-comment-480248726.json b/dev/archery/archery/tests/fixtures/issue-comment-480248726.json
new file mode 100644
index 00000000000..f3cd34083ed
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/issue-comment-480248726.json
@@ -0,0 +1,31 @@
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+}
\ No newline at end of file
diff --git a/dev/archery/archery/tests/fixtures/pull-request-26-commit.json b/dev/archery/archery/tests/fixtures/pull-request-26-commit.json
new file mode 100644
index 00000000000..ffc48943a6c
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/pull-request-26-commit.json
@@ -0,0 +1,158 @@
+{
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+      "date": "2019-04-05T12:01:31Z"
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+    },
+    {
+      "sha": "80ff46510a2f39ae60f7c3a98e5fdaef8e688784",
+      "filename": "ursabot/tests/fixtures/issue-comment-without-pull-request.json",
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+      "raw_url": "https://github.com/ursa-labs/ursabot/raw/2705da2b616b98fa6010a25813c5a7a27456f71d/ursabot/tests/fixtures/issue-comment-without-pull-request.json",
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+      "patch": "@@ -0,0 +1,206 @@\n+{\n+    \"action\": \"created\",\n+    \"comment\": {\n+        \"author_association\": \"NONE\",\n+        \"body\": \"Ursabot only listens to pull request comments!\",\n+        \"created_at\": \"2019-04-05T11:53:43Z\",\n+        \"html_url\": \"https://github.com/ursa-labs/ursabot/issues/19#issuecomment-480248217\",\n+        \"id\": 480248217,\n+        \"issue_url\": \"https://api.github.com/repos/ursa-labs/ursabot/issues/19\",\n+        \"node_id\": \"MDEyOklzc3VlQ29tbWVudDQ4MDI0ODIxNw==\",\n+        \"updated_at\": \"2019-04-05T11:53:43Z\",\n+        \"url\": \"https://api.github.com/repos/ursa-labs/ursabot/issues/comments/480248217\",\n+        \"user\": {\n+            \"avatar_url\": \"https://avatars2.githubusercontent.com/u/49275095?v=4\",\n+            \"events_url\": \"https://api.github.com/users/ursabot/events{/privacy}\",\n+            \"followers_url\": \"https://api.github.com/users/ursabot/followers\",\n+            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 \"updated_at\": \"2019-04-05T11:53:43Z\",\n+        \"url\": \"https://api.github.com/repos/ursa-labs/ursabot/issues/19\",\n+        \"user\": {\n+            \"avatar_url\": \"https://avatars1.githubusercontent.com/u/961747?v=4\",\n+            \"events_url\": \"https://api.github.com/users/kszucs/events{/privacy}\",\n+            \"followers_url\": \"https://api.github.com/users/kszucs/followers\",\n+            \"following_url\": \"https://api.github.com/users/kszucs/following{/other_user}\",\n+            \"gists_url\": \"https://api.github.com/users/kszucs/gists{/gist_id}\",\n+            \"gravatar_id\": \"\",\n+            \"html_url\": \"https://github.com/kszucs\",\n+            \"id\": 961747,\n+            \"login\": \"kszucs\",\n+            \"node_id\": \"MDQ6VXNlcjk2MTc0Nw==\",\n+            \"organizations_url\": \"https://api.github.com/users/kszucs/orgs\",\n+            \"received_events_url\": \"https://api.github.com/users/kszucs/received_events\",\n+            \"repos_url\": \"https://api.github.com/users/kszucs/repos\",\n+            \"site_admin\": false,\n+            \"starred_url\": \"https://api.github.com/users/kszucs/starred{/owner}{/repo}\",\n+            \"subscriptions_url\": \"https://api.github.com/users/kszucs/subscriptions\",\n+            \"type\": \"User\",\n+            \"url\": \"https://api.github.com/users/kszucs\"\n+        }\n+    },\n+    \"organization\": {\n+        \"avatar_url\": \"https://avatars2.githubusercontent.com/u/46514972?v=4\",\n+        \"description\": \"Innovation lab for open source data science tools, powered by Apache Arrow\",\n+        \"events_url\": \"https://api.github.com/orgs/ursa-labs/events\",\n+        \"hooks_url\": \"https://api.github.com/orgs/ursa-labs/hooks\",\n+        \"id\": 46514972,\n+        \"issues_url\": \"https://api.github.com/orgs/ursa-labs/issues\",\n+        \"login\": \"ursa-labs\",\n+        \"members_url\": 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      \"comments_url\": \"https://api.github.com/repos/ursa-labs/ursabot/comments{/number}\",\n+        \"commits_url\": \"https://api.github.com/repos/ursa-labs/ursabot/commits{/sha}\",\n+        \"compare_url\": \"https://api.github.com/repos/ursa-labs/ursabot/compare/{base}...{head}\",\n+        \"contents_url\": \"https://api.github.com/repos/ursa-labs/ursabot/contents/{+path}\",\n+        \"contributors_url\": \"https://api.github.com/repos/ursa-labs/ursabot/contributors\",\n+        \"created_at\": \"2019-02-04T15:40:31Z\",\n+        \"default_branch\": \"master\",\n+        \"deployments_url\": \"https://api.github.com/repos/ursa-labs/ursabot/deployments\",\n+        \"description\": null,\n+        \"disabled\": false,\n+        \"downloads_url\": \"https://api.github.com/repos/ursa-labs/ursabot/downloads\",\n+        \"events_url\": \"https://api.github.com/repos/ursa-labs/ursabot/events\",\n+        \"fork\": false,\n+        \"forks\": 0,\n+        \"forks_count\": 0,\n+        \"forks_url\": \"https://api.github.com/repos/ursa-labs/ursabot/forks\",\n+        \"full_name\": \"ursa-labs/ursabot\",\n+        \"git_commits_url\": \"https://api.github.com/repos/ursa-labs/ursabot/git/commits{/sha}\",\n+        \"git_refs_url\": \"https://api.github.com/repos/ursa-labs/ursabot/git/refs{/sha}\",\n+        \"git_tags_url\": \"https://api.github.com/repos/ursa-labs/ursabot/git/tags{/sha}\",\n+        \"git_url\": \"git://github.com/ursa-labs/ursabot.git\",\n+        \"has_downloads\": true,\n+        \"has_issues\": true,\n+        \"has_pages\": false,\n+        \"has_projects\": true,\n+        \"has_wiki\": true,\n+        \"homepage\": null,\n+        \"hooks_url\": \"https://api.github.com/repos/ursa-labs/ursabot/hooks\",\n+        \"html_url\": \"https://github.com/ursa-labs/ursabot\",\n+        \"id\": 169101701,\n+        \"issue_comment_url\": \"https://api.github.com/repos/ursa-labs/ursabot/issues/comments{/number}\",\n+        \"issue_events_url\": 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\"https://api.github.com/users/ursabot/following{/other_user}\",\n+        \"gists_url\": \"https://api.github.com/users/ursabot/gists{/gist_id}\",\n+        \"gravatar_id\": \"\",\n+        \"html_url\": \"https://github.com/ursabot\",\n+        \"id\": 49275095,\n+        \"login\": \"ursabot\",\n+        \"node_id\": \"MDQ6VXNlcjQ5Mjc1MDk1\",\n+        \"organizations_url\": \"https://api.github.com/users/ursabot/orgs\",\n+        \"received_events_url\": \"https://api.github.com/users/ursabot/received_events\",\n+        \"repos_url\": \"https://api.github.com/users/ursabot/repos\",\n+        \"site_admin\": false,\n+        \"starred_url\": \"https://api.github.com/users/ursabot/starred{/owner}{/repo}\",\n+        \"subscriptions_url\": \"https://api.github.com/users/ursabot/subscriptions\",\n+        \"type\": \"User\",\n+        \"url\": \"https://api.github.com/users/ursabot\"\n+    }\n+}"
+    },
+    {
+      "sha": "c738bb0eb54c87ba0f23e97e827d77c2be74d0b6",
+      "filename": "ursabot/tests/test_hooks.py",
+      "status": "modified",
+      "additions": 4,
+      "deletions": 4,
+      "changes": 8,
+      "blob_url": "https://github.com/ursa-labs/ursabot/blob/2705da2b616b98fa6010a25813c5a7a27456f71d/ursabot/tests/test_hooks.py",
+      "raw_url": "https://github.com/ursa-labs/ursabot/raw/2705da2b616b98fa6010a25813c5a7a27456f71d/ursabot/tests/test_hooks.py",
+      "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/ursabot/tests/test_hooks.py?ref=2705da2b616b98fa6010a25813c5a7a27456f71d",
+      "patch": "@@ -54,7 +54,7 @@ class TestGithubHook(ChangeHookTestCase):\n         await self.request('ping', {})\n         assert len(self.hook.master.data.updates.changesAdded) == 0\n \n-    @ensure_deferred\n-    async def test_issue_comment(self):\n-        payload = {}\n-        await self.request('issue_comment', payload)\n+    # @ensure_deferred\n+    # async def test_issue_comment(self):\n+    #     payload = {}\n+    #     await self.request('issue_comment', payload)"
+    }
+  ]
+}
\ No newline at end of file
diff --git a/dev/archery/archery/tests/fixtures/pull-request-26-files.json b/dev/archery/archery/tests/fixtures/pull-request-26-files.json
new file mode 100644
index 00000000000..b039b3d1053
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/pull-request-26-files.json
@@ -0,0 +1,170 @@
+[
+  {
+    "sha": "ebfe3f6c5e98723f9751c99ce8ce798f1ba529c5",
+    "filename": ".travis.yml",
+    "status": "modified",
+    "additions": 4,
+    "deletions": 1,
+    "changes": 5,
+    "blob_url": "https://github.com/ursa-labs/ursabot/blob/70267dee34884e4b972388e1b30d57f6248c58d0/.travis.yml",
+    "raw_url": "https://github.com/ursa-labs/ursabot/raw/70267dee34884e4b972388e1b30d57f6248c58d0/.travis.yml",
+    "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/.travis.yml?ref=70267dee34884e4b972388e1b30d57f6248c58d0",
+    "patch": "@@ -4,7 +4,10 @@ services:\n python:\n   - 3.6\n script:\n-  - pip install \"pytest>=3.9\" flake8 -e .\n+  # --no-binary buildbot is required because buildbot doesn't bundle its tests\n+  # to binary wheels, but ursabot's test suite depends on buildbot's so install\n+  # it from source\n+  - pip install --no-binary buildbot \"pytest>=3.9\" mock flake8 -e .\n \n   # run linter\n   - flake8 ursabot"
+  },
+  {
+    "sha": "86ad809d3f74c175b92ac58c6c645b0fbf5fa2c5",
+    "filename": "setup.py",
+    "status": "modified",
+    "additions": 6,
+    "deletions": 1,
+    "changes": 7,
+    "blob_url": "https://github.com/ursa-labs/ursabot/blob/70267dee34884e4b972388e1b30d57f6248c58d0/setup.py",
+    "raw_url": "https://github.com/ursa-labs/ursabot/raw/70267dee34884e4b972388e1b30d57f6248c58d0/setup.py",
+    "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/setup.py?ref=70267dee34884e4b972388e1b30d57f6248c58d0",
+    "patch": "@@ -1,8 +1,13 @@\n #!/usr/bin/env python\n \n+import sys\n from setuptools import setup\n \n \n+if sys.version_info < (3, 6):\n+    sys.exit('Python < 3.6 is not supported due to missing asyncio support')\n+\n+\n # TODO(kszucs): add package data, change maintainer\n setup(\n     name='ursabot',\n@@ -15,7 +20,7 @@\n     setup_requires=['setuptools_scm'],\n     install_requires=['click', 'dask', 'docker', 'docker-map', 'toolz',\n                       'buildbot', 'treq'],\n-    tests_require=['pytest>=3.9'],\n+    tests_require=['pytest>=3.9', 'mock'],\n     entry_points='''\n         [console_scripts]\n         ursabot=ursabot.cli:ursabot"
+  },
+  {
+    "sha": "c884f3f85bba499d77d9ad28bcd0ff5edf80f957",
+    "filename": "ursabot/factories.py",
+    "status": "modified",
+    "additions": 6,
+    "deletions": 2,
+    "changes": 8,
+    "blob_url": "https://github.com/ursa-labs/ursabot/blob/70267dee34884e4b972388e1b30d57f6248c58d0/ursabot/factories.py",
+    "raw_url": "https://github.com/ursa-labs/ursabot/raw/70267dee34884e4b972388e1b30d57f6248c58d0/ursabot/factories.py",
+    "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/ursabot/factories.py?ref=70267dee34884e4b972388e1b30d57f6248c58d0",
+    "patch": "@@ -79,8 +79,12 @@ def prepend_step(self, step):\n                repourl='https://github.com/ursa-labs/ursabot',\n                mode='full'),\n     ShellCommand(command=['ls', '-lah']),\n-    ShellCommand(command=['pip', 'install', 'pytest', 'flake8']),\n-    ShellCommand(command=['pip', 'install', '-e', '.']),\n+    ShellCommand(command=['pip', 'install', 'pytest', 'flake8', 'mock']),\n+    # --no-binary buildbot is required because buildbot doesn't bundle its\n+    # tests to binary wheels, but ursabot's test suite depends on buildbot's\n+    # so install it from source\n+    ShellCommand(command=['pip', 'install', '--no-binary', 'buildbot',\n+                          '-e', '.']),\n     ShellCommand(command=['flake8']),\n     ShellCommand(command=['pytest', '-v', '-m', 'not docker', 'ursabot']),\n     ShellCommand(command=['buildbot', 'checkconfig', '.'])"
+  },
+  {
+    "sha": "0265cfbd9c2882f492469882a7bf513a1c1b5af4",
+    "filename": "ursabot/hooks.py",
+    "status": "modified",
+    "additions": 17,
+    "deletions": 19,
+    "changes": 36,
+    "blob_url": "https://github.com/ursa-labs/ursabot/blob/70267dee34884e4b972388e1b30d57f6248c58d0/ursabot/hooks.py",
+    "raw_url": "https://github.com/ursa-labs/ursabot/raw/70267dee34884e4b972388e1b30d57f6248c58d0/ursabot/hooks.py",
+    "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/ursabot/hooks.py?ref=70267dee34884e4b972388e1b30d57f6248c58d0",
+    "patch": "@@ -1,11 +1,11 @@\n from urllib.parse import urlparse\n \n from twisted.python import log\n-from twisted.internet import defer\n \n from buildbot.www.hooks.github import GitHubEventHandler\n from buildbot.util.httpclientservice import HTTPClientService\n \n+from .utils import ensure_deferred\n \n BOTNAME = 'ursabot'\n \n@@ -22,20 +22,18 @@ def _client(self):\n             self.master, self.github_api_endpoint, headers=headers,\n             debug=self.debug, verify=self.verify)\n \n-    @defer.inlineCallbacks\n-    def _get(self, url):\n+    async def _get(self, url):\n         url = urlparse(url)\n-        client = yield self._client()\n-        response = yield client.get(url.path)\n-        result = yield response.json()\n+        client = await self._client()\n+        response = await client.get(url.path)\n+        result = await response.json()\n         return result\n \n-    @defer.inlineCallbacks\n-    def _post(self, url, data):\n+    async def _post(self, url, data):\n         url = urlparse(url)\n-        client = yield self._client()\n-        response = yield client.post(url.path, json=data)\n-        result = yield response.json()\n+        client = await self._client()\n+        response = await client.post(url.path, json=data)\n+        result = await response.json()\n         log.msg(f'POST to {url} with the following result: {result}')\n         return result\n \n@@ -46,8 +44,8 @@ def _parse_command(self, message):\n             return message.split(mention)[-1].lower().strip()\n         return None\n \n-    @defer.inlineCallbacks\n-    def handle_issue_comment(self, payload, event):\n+    @ensure_deferred\n+    async def handle_issue_comment(self, payload, event):\n         issue = payload['issue']\n         comments_url = issue['comments_url']\n         command = self._parse_command(payload['comment']['body'])\n@@ -64,16 +62,16 @@ def handle_issue_comment(self, payload, event):\n         elif command == 'build':\n             if 'pull_request' not in issue:\n                 message = 'Ursabot only listens to pull request comments!'\n-                yield self._post(comments_url, {'body': message})\n+                await self._post(comments_url, {'body': message})\n                 return [], 'git'\n         else:\n             message = f'Unknown command \"{command}\"'\n-            yield self._post(comments_url, {'body': message})\n+            await self._post(comments_url, {'body': message})\n             return [], 'git'\n \n         try:\n-            pull_request = yield self._get(issue['pull_request']['url'])\n-            changes, _ = yield self.handle_pull_request({\n+            pull_request = await self._get(issue['pull_request']['url'])\n+            changes, _ = await self.handle_pull_request({\n                 'action': 'synchronize',\n                 'sender': payload['sender'],\n                 'repository': payload['repository'],\n@@ -82,11 +80,11 @@ def handle_issue_comment(self, payload, event):\n             }, event)\n         except Exception as e:\n             message = \"I've failed to start builds for this PR\"\n-            yield self._post(comments_url, {'body': message})\n+            await self._post(comments_url, {'body': message})\n             raise e\n         else:\n             message = \"I've successfully started builds for this PR\"\n-            yield self._post(comments_url, {'body': message})\n+            await self._post(comments_url, {'body': message})\n             return changes, 'git'\n \n     # TODO(kszucs):"
+  },
+  {
+    "sha": "1e1ecf2ce47da929dbf1b93632640e7e6ae1cfe0",
+    "filename": "ursabot/steps.py",
+    "status": "modified",
+    "additions": 13,
+    "deletions": 13,
+    "changes": 26,
+    "blob_url": "https://github.com/ursa-labs/ursabot/blob/70267dee34884e4b972388e1b30d57f6248c58d0/ursabot/steps.py",
+    "raw_url": "https://github.com/ursa-labs/ursabot/raw/70267dee34884e4b972388e1b30d57f6248c58d0/ursabot/steps.py",
+    "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/ursabot/steps.py?ref=70267dee34884e4b972388e1b30d57f6248c58d0",
+    "patch": "@@ -1,9 +1,9 @@\n-from twisted.internet import defer\n-\n from buildbot.plugins import steps, util\n from buildbot.process import buildstep\n from buildbot.process.results import SUCCESS\n \n+from .utils import ensure_deferred\n+\n \n class ShellMixin(buildstep.ShellMixin):\n     \"\"\"Run command in a login bash shell\n@@ -49,10 +49,10 @@ def __init__(self, **kwargs):\n         kwargs = self.setupShellMixin(kwargs)\n         super().__init__(**kwargs)\n \n-    @defer.inlineCallbacks\n-    def run(self):\n-        cmd = yield self.makeRemoteShellCommand(command=self.command)\n-        yield self.runCommand(cmd)\n+    @ensure_deferred\n+    async def run(self):\n+        cmd = await self.makeRemoteShellCommand(command=self.command)\n+        await self.runCommand(cmd)\n         return cmd.results()\n \n \n@@ -71,8 +71,8 @@ class CMake(ShellMixin, steps.CMake):\n \n     name = 'CMake'\n \n-    @defer.inlineCallbacks\n-    def run(self):\n+    @ensure_deferred\n+    async def run(self):\n         \"\"\"Create and run CMake command\n \n         Copied from the original CMake implementation to handle None values as\n@@ -94,8 +94,8 @@ def run(self):\n         if self.options is not None:\n             command.extend(self.options)\n \n-        cmd = yield self.makeRemoteShellCommand(command=command)\n-        yield self.runCommand(cmd)\n+        cmd = await self.makeRemoteShellCommand(command=command)\n+        await self.runCommand(cmd)\n \n         return cmd.results()\n \n@@ -117,8 +117,8 @@ def __init__(self, variables, source='WorkerEnvironment', **kwargs):\n         self.source = source\n         super().__init__(**kwargs)\n \n-    @defer.inlineCallbacks\n-    def run(self):\n+    @ensure_deferred\n+    async def run(self):\n         # on Windows, environment variables are case-insensitive, but we have\n         # a case-sensitive dictionary in worker_environ.  Fortunately, that\n         # dictionary is also folded to uppercase, so we can simply fold the\n@@ -139,7 +139,7 @@ def run(self):\n                 # TODO(kszucs) try with self.setProperty similarly like in\n                 # SetProperties\n                 properties.setProperty(prop, value, self.source, runtime=True)\n-                yield self.addCompleteLog('set-prop', f'{prop}: {value}')\n+                await self.addCompleteLog('set-prop', f'{prop}: {value}')\n \n         return SUCCESS\n "
+  },
+  {
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+    "filename": "ursabot/tests/fixtures/issue-comment-build-command.json",
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+    "raw_url": "https://github.com/ursa-labs/ursabot/raw/70267dee34884e4b972388e1b30d57f6248c58d0/ursabot/tests/fixtures/issue-comment-build-command.json",
+    "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/ursabot/tests/fixtures/issue-comment-build-command.json?ref=70267dee34884e4b972388e1b30d57f6248c58d0",
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#     payload = {}\\n+    #     await self.request('issue_comment', payload)\"\n+    }\n+  ]\n+}"
+  },
+  {
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+    "changes": 335,
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\"MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy\",\n+        \"avatar_url\": \"https://avatars2.githubusercontent.com/u/46514972?v=4\",\n+        \"gravatar_id\": \"\",\n+        \"url\": \"https://api.github.com/users/ursa-labs\",\n+        \"html_url\": \"https://github.com/ursa-labs\",\n+        \"followers_url\": \"https://api.github.com/users/ursa-labs/followers\",\n+        \"following_url\": \"https://api.github.com/users/ursa-labs/following{/other_user}\",\n+        \"gists_url\": \"https://api.github.com/users/ursa-labs/gists{/gist_id}\",\n+        \"starred_url\": \"https://api.github.com/users/ursa-labs/starred{/owner}{/repo}\",\n+        \"subscriptions_url\": \"https://api.github.com/users/ursa-labs/subscriptions\",\n+        \"organizations_url\": \"https://api.github.com/users/ursa-labs/orgs\",\n+        \"repos_url\": \"https://api.github.com/users/ursa-labs/repos\",\n+        \"events_url\": \"https://api.github.com/users/ursa-labs/events{/privacy}\",\n+        \"received_events_url\": \"https://api.github.com/users/ursa-labs/received_events\",\n+        \"type\": \"Organization\",\n+        \"site_admin\": false\n+      },\n+      \"html_url\": \"https://github.com/ursa-labs/ursabot\",\n+      \"description\": null,\n+      \"fork\": false,\n+      \"url\": \"https://api.github.com/repos/ursa-labs/ursabot\",\n+      \"forks_url\": \"https://api.github.com/repos/ursa-labs/ursabot/forks\",\n+      \"keys_url\": \"https://api.github.com/repos/ursa-labs/ursabot/keys{/key_id}\",\n+      \"collaborators_url\": \"https://api.github.com/repos/ursa-labs/ursabot/collaborators{/collaborator}\",\n+      \"teams_url\": \"https://api.github.com/repos/ursa-labs/ursabot/teams\",\n+      \"hooks_url\": \"https://api.github.com/repos/ursa-labs/ursabot/hooks\",\n+      \"issue_events_url\": \"https://api.github.com/repos/ursa-labs/ursabot/issues/events{/number}\",\n+      \"events_url\": \"https://api.github.com/repos/ursa-labs/ursabot/events\",\n+      \"assignees_url\": \"https://api.github.com/repos/ursa-labs/ursabot/assignees{/user}\",\n+      \"branches_url\": \"https://api.github.com/repos/ursa-labs/ursabot/branches{/branch}\",\n+      \"tags_url\": \"https://api.github.com/repos/ursa-labs/ursabot/tags\",\n+      \"blobs_url\": \"https://api.github.com/repos/ursa-labs/ursabot/git/blobs{/sha}\",\n+      \"git_tags_url\": \"https://api.github.com/repos/ursa-labs/ursabot/git/tags{/sha}\",\n+      \"git_refs_url\": \"https://api.github.com/repos/ursa-labs/ursabot/git/refs{/sha}\",\n+      \"trees_url\": \"https://api.github.com/repos/ursa-labs/ursabot/git/trees{/sha}\",\n+      \"statuses_url\": \"https://api.github.com/repos/ursa-labs/ursabot/statuses/{sha}\",\n+      \"languages_url\": \"https://api.github.com/repos/ursa-labs/ursabot/languages\",\n+      \"stargazers_url\": \"https://api.github.com/repos/ursa-labs/ursabot/stargazers\",\n+      \"contributors_url\": \"https://api.github.com/repos/ursa-labs/ursabot/contributors\",\n+      \"subscribers_url\": \"https://api.github.com/repos/ursa-labs/ursabot/subscribers\",\n+      \"subscription_url\": \"https://api.github.com/repos/ursa-labs/ursabot/subscription\",\n+      \"commits_url\": \"https://api.github.com/repos/ursa-labs/ursabot/commits{/sha}\",\n+      \"git_commits_url\": \"https://api.github.com/repos/ursa-labs/ursabot/git/commits{/sha}\",\n+      \"comments_url\": \"https://api.github.com/repos/ursa-labs/ursabot/comments{/number}\",\n+      \"issue_comment_url\": \"https://api.github.com/repos/ursa-labs/ursabot/issues/comments{/number}\",\n+      \"contents_url\": \"https://api.github.com/repos/ursa-labs/ursabot/contents/{+path}\",\n+      \"compare_url\": \"https://api.github.com/repos/ursa-labs/ursabot/compare/{base}...{head}\",\n+      \"merges_url\": \"https://api.github.com/repos/ursa-labs/ursabot/merges\",\n+      \"archive_url\": \"https://api.github.com/repos/ursa-labs/ursabot/{archive_format}{/ref}\",\n+      \"downloads_url\": \"https://api.github.com/repos/ursa-labs/ursabot/downloads\",\n+      \"issues_url\": \"https://api.github.com/repos/ursa-labs/ursabot/issues{/number}\",\n+      \"pulls_url\": \"https://api.github.com/repos/ursa-labs/ursabot/pulls{/number}\",\n+      \"milestones_url\": \"https://api.github.com/repos/ursa-labs/ursabot/milestones{/number}\",\n+      \"notifications_url\": \"https://api.github.com/repos/ursa-labs/ursabot/notifications{?since,all,participating}\",\n+      \"labels_url\": \"https://api.github.com/repos/ursa-labs/ursabot/labels{/name}\",\n+      \"releases_url\": \"https://api.github.com/repos/ursa-labs/ursabot/releases{/id}\",\n+      \"deployments_url\": \"https://api.github.com/repos/ursa-labs/ursabot/deployments\",\n+      \"created_at\": \"2019-02-04T15:40:31Z\",\n+      \"updated_at\": \"2019-04-04T17:49:10Z\",\n+      \"pushed_at\": \"2019-04-05T12:01:40Z\",\n+      \"git_url\": \"git://github.com/ursa-labs/ursabot.git\",\n+      \"ssh_url\": \"git@github.com:ursa-labs/ursabot.git\",\n+      \"clone_url\": \"https://github.com/ursa-labs/ursabot.git\",\n+      \"svn_url\": \"https://github.com/ursa-labs/ursabot\",\n+      \"homepage\": null,\n+      \"size\": 898,\n+      \"stargazers_count\": 1,\n+      \"watchers_count\": 1,\n+      \"language\": \"Jupyter Notebook\",\n+      \"has_issues\": true,\n+      \"has_projects\": true,\n+      \"has_downloads\": true,\n+      \"has_wiki\": true,\n+      \"has_pages\": false,\n+      \"forks_count\": 0,\n+      \"mirror_url\": null,\n+      \"archived\": false,\n+      \"disabled\": false,\n+      \"open_issues_count\": 19,\n+      \"license\": null,\n+      \"forks\": 0,\n+      \"open_issues\": 19,\n+      \"watchers\": 1,\n+      \"default_branch\": \"master\"\n+    }\n+  },\n+  \"_links\": {\n+    \"self\": {\n+      \"href\": \"https://api.github.com/repos/ursa-labs/ursabot/pulls/26\"\n+    },\n+    \"html\": {\n+      \"href\": \"https://github.com/ursa-labs/ursabot/pull/26\"\n+    },\n+    \"issue\": {\n+      \"href\": \"https://api.github.com/repos/ursa-labs/ursabot/issues/26\"\n+    },\n+    \"comments\": {\n+      \"href\": \"https://api.github.com/repos/ursa-labs/ursabot/issues/26/comments\"\n+    },\n+    \"review_comments\": {\n+      \"href\": \"https://api.github.com/repos/ursa-labs/ursabot/pulls/26/comments\"\n+    },\n+    \"review_comment\": {\n+      \"href\": \"https://api.github.com/repos/ursa-labs/ursabot/pulls/comments{/number}\"\n+    },\n+    \"commits\": {\n+      \"href\": \"https://api.github.com/repos/ursa-labs/ursabot/pulls/26/commits\"\n+    },\n+    \"statuses\": {\n+      \"href\": \"https://api.github.com/repos/ursa-labs/ursabot/statuses/2705da2b616b98fa6010a25813c5a7a27456f71d\"\n+    }\n+  },\n+  \"author_association\": \"MEMBER\",\n+  \"merged\": false,\n+  \"mergeable\": true,\n+  \"rebaseable\": true,\n+  \"mergeable_state\": \"unstable\",\n+  \"merged_by\": null,\n+  \"comments\": 5,\n+  \"review_comments\": 0,\n+  \"maintainer_can_modify\": false,\n+  \"commits\": 2,\n+  \"additions\": 1124,\n+  \"deletions\": 0,\n+  \"changed_files\": 7\n+}"
+  },
+  {
+    "sha": "e87b27d2d7b4956d15f7468488b96cf6a06686f4",
+    "filename": "ursabot/tests/test_hooks.py",
+    "status": "added",
+    "additions": 116,
+    "deletions": 0,
+    "changes": 116,
+    "blob_url": "https://github.com/ursa-labs/ursabot/blob/70267dee34884e4b972388e1b30d57f6248c58d0/ursabot/tests/test_hooks.py",
+    "raw_url": "https://github.com/ursa-labs/ursabot/raw/70267dee34884e4b972388e1b30d57f6248c58d0/ursabot/tests/test_hooks.py",
+    "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/ursabot/tests/test_hooks.py?ref=70267dee34884e4b972388e1b30d57f6248c58d0",
+    "patch": "@@ -0,0 +1,116 @@\n+import json\n+from pathlib import Path\n+from twisted.trial import unittest\n+\n+from buildbot.test.util.misc import TestReactorMixin\n+from buildbot.test.fake.httpclientservice import \\\n+    HTTPClientService as FakeHTTPClientService\n+from buildbot.test.unit.test_www_hooks_github import (\n+    _prepare_request, _prepare_github_change_hook)\n+\n+from ursabot.utils import ensure_deferred\n+from ursabot.hooks import GithubHook\n+\n+\n+class ChangeHookTestCase(unittest.TestCase, TestReactorMixin):\n+\n+    klass = None\n+\n+    @ensure_deferred\n+    async def setUp(self):\n+        self.setUpTestReactor()\n+\n+        assert self.klass is not None\n+        self.hook = _prepare_github_change_hook(self, **{'class': self.klass})\n+        self.master = self.hook.master\n+        self.http = await FakeHTTPClientService.getFakeService(\n+            self.master, self, 'https://api.github.com',\n+            headers={'User-Agent': 'Buildbot'}, debug=False, verify=False)\n+\n+        await self.master.startService()\n+\n+    @ensure_deferred\n+    async def tearDown(self):\n+        await self.master.stopService()\n+\n+    async def trigger(self, event, payload, headers=None, _secret=None):\n+        payload = json.dumps(payload).encode()\n+        request = _prepare_request(event, payload, _secret=_secret,\n+                                   headers=headers)\n+        await request.test_render(self.hook)\n+        return request\n+\n+    def load_fixture(self, name):\n+        path = Path(__file__).parent / 'fixtures' / f'{name}.json'\n+        with path.open('r') as fp:\n+            return json.load(fp)\n+\n+\n+class TestGithubHook(ChangeHookTestCase):\n+\n+    klass = GithubHook\n+\n+    @ensure_deferred\n+    async def test_ping(self):\n+        await self.trigger('ping', {})\n+        assert len(self.hook.master.data.updates.changesAdded) == 0\n+\n+    @ensure_deferred\n+    async def test_issue_comment_not_mentioning_ursabot(self):\n+        payload = self.load_fixture('issue-comment-not-mentioning-ursabot')\n+        await self.trigger('issue_comment', payload=payload)\n+        assert len(self.hook.master.data.updates.changesAdded) == 0\n+\n+    @ensure_deferred\n+    async def test_issue_comment_by_ursabot(self):\n+        payload = self.load_fixture('issue-comment-by-ursabot')\n+        await self.trigger('issue_comment', payload=payload)\n+        assert len(self.hook.master.data.updates.changesAdded) == 0\n+\n+    @ensure_deferred\n+    async def test_issue_comment_with_empty_command(self):\n+        # responds to the comment\n+        request_json = {'body': 'Unknown command \"\"'}\n+        response_json = ''\n+        self.http.expect('post', '/repos/ursa-labs/ursabot/issues/26/comments',\n+                         json=request_json, content_json=response_json)\n+\n+        payload = self.load_fixture('issue-comment-with-empty-command')\n+        await self.trigger('issue_comment', payload=payload)\n+        assert len(self.hook.master.data.updates.changesAdded) == 0\n+\n+    @ensure_deferred\n+    async def test_issue_comment_without_pull_request(self):\n+        # responds to the comment\n+        request_json = {\n+            'body': 'Ursabot only listens to pull request comments!'\n+        }\n+        response_json = ''\n+        self.http.expect('post', '/repos/ursa-labs/ursabot/issues/19/comments',\n+                         json=request_json, content_json=response_json)\n+\n+        payload = self.load_fixture('issue-comment-without-pull-request')\n+        await self.trigger('issue_comment', payload=payload)\n+        assert len(self.hook.master.data.updates.changesAdded) == 0\n+\n+    @ensure_deferred\n+    async def test_issue_comment_build_command(self):\n+        # handle_issue_comment queries the pull request\n+        request_json = self.load_fixture('pull-request-26')\n+        self.http.expect('get', '/repos/ursa-labs/ursabot/pulls/26',\n+                         content_json=request_json)\n+        # tigger handle_pull_request which fetches the commit\n+        request_json = self.load_fixture('pull-request-26-commit')\n+        commit = '2705da2b616b98fa6010a25813c5a7a27456f71d'\n+        self.http.expect('get', f'/repos/ursa-labs/ursabot/commits/{commit}',\n+                         content_json=request_json)\n+\n+        # then responds to the comment\n+        request_json = {'body': \"I've successfully started builds for this PR\"}\n+        response_json = ''\n+        self.http.expect('post', '/repos/ursa-labs/ursabot/issues/26/comments',\n+                         json=request_json, content_json=response_json)\n+\n+        payload = self.load_fixture('issue-comment-build-command')\n+        await self.trigger('issue_comment', payload=payload)\n+        assert len(self.hook.master.data.updates.changesAdded) == 1"
+  },
+  {
+    "sha": "3ff0e88660cf186420e8bc672735e4d446963192",
+    "filename": "ursabot/utils.py",
+    "status": "added",
+    "additions": 10,
+    "deletions": 0,
+    "changes": 10,
+    "blob_url": "https://github.com/ursa-labs/ursabot/blob/70267dee34884e4b972388e1b30d57f6248c58d0/ursabot/utils.py",
+    "raw_url": "https://github.com/ursa-labs/ursabot/raw/70267dee34884e4b972388e1b30d57f6248c58d0/ursabot/utils.py",
+    "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/ursabot/utils.py?ref=70267dee34884e4b972388e1b30d57f6248c58d0",
+    "patch": "@@ -0,0 +1,10 @@\n+import functools\n+from twisted.internet import defer\n+\n+\n+def ensure_deferred(f):\n+    @functools.wraps(f)\n+    def wrapper(*args, **kwargs):\n+        result = f(*args, **kwargs)\n+        return defer.ensureDeferred(result)\n+    return wrapper"
+  }
+]
\ No newline at end of file
diff --git a/dev/archery/archery/tests/fixtures/pull-request-26.json b/dev/archery/archery/tests/fixtures/pull-request-26.json
new file mode 100644
index 00000000000..d295afb396e
--- /dev/null
+++ b/dev/archery/archery/tests/fixtures/pull-request-26.json
@@ -0,0 +1,329 @@
+{
+  "url": "https://api.github.com/repos/ursa-labs/ursabot/pulls/26",
+  "id": 267785552,
+  "node_id": "MDExOlB1bGxSZXF1ZXN0MjY3Nzg1NTUy",
+  "html_url": "https://github.com/ursa-labs/ursabot/pull/26",
+  "diff_url": "https://github.com/ursa-labs/ursabot/pull/26.diff",
+  "patch_url": "https://github.com/ursa-labs/ursabot/pull/26.patch",
+  "issue_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26",
+  "number": 26,
+  "state": "open",
+  "locked": false,
+  "title": "Unittests for GithubHook",
+  "user": {
+    "login": "kszucs",
+    "id": 961747,
+    "node_id": "MDQ6VXNlcjk2MTc0Nw==",
+    "avatar_url": "https://avatars1.githubusercontent.com/u/961747?v=4",
+    "gravatar_id": "",
+    "url": "https://api.github.com/users/kszucs",
+    "html_url": "https://github.com/kszucs",
+    "followers_url": "https://api.github.com/users/kszucs/followers",
+    "following_url": "https://api.github.com/users/kszucs/following{/other_user}",
+    "gists_url": "https://api.github.com/users/kszucs/gists{/gist_id}",
+    "starred_url": "https://api.github.com/users/kszucs/starred{/owner}{/repo}",
+    "subscriptions_url": "https://api.github.com/users/kszucs/subscriptions",
+    "organizations_url": "https://api.github.com/users/kszucs/orgs",
+    "repos_url": "https://api.github.com/users/kszucs/repos",
+    "events_url": "https://api.github.com/users/kszucs/events{/privacy}",
+    "received_events_url": "https://api.github.com/users/kszucs/received_events",
+    "type": "User",
+    "site_admin": false
+  },
+  "body": "",
+  "body_html": "",
+  "body_text": "",
+  "created_at": "2019-04-05T11:22:15Z",
+  "updated_at": "2019-04-05T12:01:40Z",
+  "closed_at": null,
+  "merged_at": null,
+  "merge_commit_sha": "cc5dc3606988b3824be54df779ed2028776113cb",
+  "assignee": null,
+  "assignees": [],
+  "requested_reviewers": [],
+  "requested_teams": [],
+  "labels": [],
+  "milestone": null,
+  "commits_url": "https://api.github.com/repos/ursa-labs/ursabot/pulls/26/commits",
+  "review_comments_url": "https://api.github.com/repos/ursa-labs/ursabot/pulls/26/comments",
+  "review_comment_url": "https://api.github.com/repos/ursa-labs/ursabot/pulls/comments{/number}",
+  "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/comments",
+  "statuses_url": "https://api.github.com/repos/ursa-labs/ursabot/statuses/2705da2b616b98fa6010a25813c5a7a27456f71d",
+  "head": {
+    "label": "ursa-labs:test-hook",
+    "ref": "test-hook",
+    "sha": "2705da2b616b98fa6010a25813c5a7a27456f71d",
+    "user": {
+      "login": "ursa-labs",
+      "id": 46514972,
+      "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/46514972?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/ursa-labs",
+      "html_url": "https://github.com/ursa-labs",
+      "followers_url": "https://api.github.com/users/ursa-labs/followers",
+      "following_url": "https://api.github.com/users/ursa-labs/following{/other_user}",
+      "gists_url": "https://api.github.com/users/ursa-labs/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/ursa-labs/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/ursa-labs/subscriptions",
+      "organizations_url": "https://api.github.com/users/ursa-labs/orgs",
+      "repos_url": "https://api.github.com/users/ursa-labs/repos",
+      "events_url": "https://api.github.com/users/ursa-labs/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/ursa-labs/received_events",
+      "type": "Organization",
+      "site_admin": false
+    },
+    "repo": {
+      "id": 169101701,
+      "node_id": "MDEwOlJlcG9zaXRvcnkxNjkxMDE3MDE=",
+      "name": "ursabot",
+      "full_name": "ursa-labs/ursabot",
+      "private": false,
+      "owner": {
+        "login": "ursa-labs",
+        "id": 46514972,
+        "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy",
+        "avatar_url": "https://avatars2.githubusercontent.com/u/46514972?v=4",
+        "gravatar_id": "",
+        "url": "https://api.github.com/users/ursa-labs",
+        "html_url": "https://github.com/ursa-labs",
+        "followers_url": "https://api.github.com/users/ursa-labs/followers",
+        "following_url": "https://api.github.com/users/ursa-labs/following{/other_user}",
+        "gists_url": "https://api.github.com/users/ursa-labs/gists{/gist_id}",
+        "starred_url": "https://api.github.com/users/ursa-labs/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/ursa-labs/subscriptions",
+        "organizations_url": "https://api.github.com/users/ursa-labs/orgs",
+        "repos_url": "https://api.github.com/users/ursa-labs/repos",
+        "events_url": "https://api.github.com/users/ursa-labs/events{/privacy}",
+        "received_events_url": "https://api.github.com/users/ursa-labs/received_events",
+        "type": "Organization",
+        "site_admin": false
+      },
+      "html_url": "https://github.com/ursa-labs/ursabot",
+      "description": null,
+      "fork": false,
+      "url": "https://api.github.com/repos/ursa-labs/ursabot",
+      "forks_url": "https://api.github.com/repos/ursa-labs/ursabot/forks",
+      "keys_url": "https://api.github.com/repos/ursa-labs/ursabot/keys{/key_id}",
+      "collaborators_url": "https://api.github.com/repos/ursa-labs/ursabot/collaborators{/collaborator}",
+      "teams_url": "https://api.github.com/repos/ursa-labs/ursabot/teams",
+      "hooks_url": "https://api.github.com/repos/ursa-labs/ursabot/hooks",
+      "issue_events_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/events{/number}",
+      "events_url": "https://api.github.com/repos/ursa-labs/ursabot/events",
+      "assignees_url": "https://api.github.com/repos/ursa-labs/ursabot/assignees{/user}",
+      "branches_url": "https://api.github.com/repos/ursa-labs/ursabot/branches{/branch}",
+      "tags_url": "https://api.github.com/repos/ursa-labs/ursabot/tags",
+      "blobs_url": "https://api.github.com/repos/ursa-labs/ursabot/git/blobs{/sha}",
+      "git_tags_url": "https://api.github.com/repos/ursa-labs/ursabot/git/tags{/sha}",
+      "git_refs_url": "https://api.github.com/repos/ursa-labs/ursabot/git/refs{/sha}",
+      "trees_url": "https://api.github.com/repos/ursa-labs/ursabot/git/trees{/sha}",
+      "statuses_url": "https://api.github.com/repos/ursa-labs/ursabot/statuses/{sha}",
+      "languages_url": "https://api.github.com/repos/ursa-labs/ursabot/languages",
+      "stargazers_url": "https://api.github.com/repos/ursa-labs/ursabot/stargazers",
+      "contributors_url": "https://api.github.com/repos/ursa-labs/ursabot/contributors",
+      "subscribers_url": "https://api.github.com/repos/ursa-labs/ursabot/subscribers",
+      "subscription_url": "https://api.github.com/repos/ursa-labs/ursabot/subscription",
+      "commits_url": "https://api.github.com/repos/ursa-labs/ursabot/commits{/sha}",
+      "git_commits_url": "https://api.github.com/repos/ursa-labs/ursabot/git/commits{/sha}",
+      "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/comments{/number}",
+      "issue_comment_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments{/number}",
+      "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/{+path}",
+      "compare_url": "https://api.github.com/repos/ursa-labs/ursabot/compare/{base}...{head}",
+      "merges_url": "https://api.github.com/repos/ursa-labs/ursabot/merges",
+      "archive_url": "https://api.github.com/repos/ursa-labs/ursabot/{archive_format}{/ref}",
+      "downloads_url": "https://api.github.com/repos/ursa-labs/ursabot/downloads",
+      "issues_url": "https://api.github.com/repos/ursa-labs/ursabot/issues{/number}",
+      "pulls_url": "https://api.github.com/repos/ursa-labs/ursabot/pulls{/number}",
+      "milestones_url": "https://api.github.com/repos/ursa-labs/ursabot/milestones{/number}",
+      "notifications_url": "https://api.github.com/repos/ursa-labs/ursabot/notifications{?since,all,participating}",
+      "labels_url": "https://api.github.com/repos/ursa-labs/ursabot/labels{/name}",
+      "releases_url": "https://api.github.com/repos/ursa-labs/ursabot/releases{/id}",
+      "deployments_url": "https://api.github.com/repos/ursa-labs/ursabot/deployments",
+      "created_at": "2019-02-04T15:40:31Z",
+      "updated_at": "2019-04-04T17:49:10Z",
+      "pushed_at": "2019-04-05T12:01:40Z",
+      "git_url": "git://github.com/ursa-labs/ursabot.git",
+      "ssh_url": "git@github.com:ursa-labs/ursabot.git",
+      "clone_url": "https://github.com/ursa-labs/ursabot.git",
+      "svn_url": "https://github.com/ursa-labs/ursabot",
+      "homepage": null,
+      "size": 898,
+      "stargazers_count": 1,
+      "watchers_count": 1,
+      "language": "Jupyter Notebook",
+      "has_issues": true,
+      "has_projects": true,
+      "has_downloads": true,
+      "has_wiki": true,
+      "has_pages": false,
+      "forks_count": 0,
+      "mirror_url": null,
+      "archived": false,
+      "disabled": false,
+      "open_issues_count": 19,
+      "license": null,
+      "forks": 0,
+      "open_issues": 19,
+      "watchers": 1,
+      "default_branch": "master"
+    }
+  },
+  "base": {
+    "label": "ursa-labs:master",
+    "ref": "master",
+    "sha": "a162ad254b589b924db47e057791191b39613fd5",
+    "user": {
+      "login": "ursa-labs",
+      "id": 46514972,
+      "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/46514972?v=4",
+      "gravatar_id": "",
+      "url": "https://api.github.com/users/ursa-labs",
+      "html_url": "https://github.com/ursa-labs",
+      "followers_url": "https://api.github.com/users/ursa-labs/followers",
+      "following_url": "https://api.github.com/users/ursa-labs/following{/other_user}",
+      "gists_url": "https://api.github.com/users/ursa-labs/gists{/gist_id}",
+      "starred_url": "https://api.github.com/users/ursa-labs/starred{/owner}{/repo}",
+      "subscriptions_url": "https://api.github.com/users/ursa-labs/subscriptions",
+      "organizations_url": "https://api.github.com/users/ursa-labs/orgs",
+      "repos_url": "https://api.github.com/users/ursa-labs/repos",
+      "events_url": "https://api.github.com/users/ursa-labs/events{/privacy}",
+      "received_events_url": "https://api.github.com/users/ursa-labs/received_events",
+      "type": "Organization",
+      "site_admin": false
+    },
+    "repo": {
+      "id": 169101701,
+      "node_id": "MDEwOlJlcG9zaXRvcnkxNjkxMDE3MDE=",
+      "name": "ursabot",
+      "full_name": "ursa-labs/ursabot",
+      "private": false,
+      "owner": {
+        "login": "ursa-labs",
+        "id": 46514972,
+        "node_id": "MDEyOk9yZ2FuaXphdGlvbjQ2NTE0OTcy",
+        "avatar_url": "https://avatars2.githubusercontent.com/u/46514972?v=4",
+        "gravatar_id": "",
+        "url": "https://api.github.com/users/ursa-labs",
+        "html_url": "https://github.com/ursa-labs",
+        "followers_url": "https://api.github.com/users/ursa-labs/followers",
+        "following_url": "https://api.github.com/users/ursa-labs/following{/other_user}",
+        "gists_url": "https://api.github.com/users/ursa-labs/gists{/gist_id}",
+        "starred_url": "https://api.github.com/users/ursa-labs/starred{/owner}{/repo}",
+        "subscriptions_url": "https://api.github.com/users/ursa-labs/subscriptions",
+        "organizations_url": "https://api.github.com/users/ursa-labs/orgs",
+        "repos_url": "https://api.github.com/users/ursa-labs/repos",
+        "events_url": "https://api.github.com/users/ursa-labs/events{/privacy}",
+        "received_events_url": "https://api.github.com/users/ursa-labs/received_events",
+        "type": "Organization",
+        "site_admin": false
+      },
+      "html_url": "https://github.com/ursa-labs/ursabot",
+      "description": null,
+      "fork": false,
+      "url": "https://api.github.com/repos/ursa-labs/ursabot",
+      "forks_url": "https://api.github.com/repos/ursa-labs/ursabot/forks",
+      "keys_url": "https://api.github.com/repos/ursa-labs/ursabot/keys{/key_id}",
+      "collaborators_url": "https://api.github.com/repos/ursa-labs/ursabot/collaborators{/collaborator}",
+      "teams_url": "https://api.github.com/repos/ursa-labs/ursabot/teams",
+      "hooks_url": "https://api.github.com/repos/ursa-labs/ursabot/hooks",
+      "issue_events_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/events{/number}",
+      "events_url": "https://api.github.com/repos/ursa-labs/ursabot/events",
+      "assignees_url": "https://api.github.com/repos/ursa-labs/ursabot/assignees{/user}",
+      "branches_url": "https://api.github.com/repos/ursa-labs/ursabot/branches{/branch}",
+      "tags_url": "https://api.github.com/repos/ursa-labs/ursabot/tags",
+      "blobs_url": "https://api.github.com/repos/ursa-labs/ursabot/git/blobs{/sha}",
+      "git_tags_url": "https://api.github.com/repos/ursa-labs/ursabot/git/tags{/sha}",
+      "git_refs_url": "https://api.github.com/repos/ursa-labs/ursabot/git/refs{/sha}",
+      "trees_url": "https://api.github.com/repos/ursa-labs/ursabot/git/trees{/sha}",
+      "statuses_url": "https://api.github.com/repos/ursa-labs/ursabot/statuses/{sha}",
+      "languages_url": "https://api.github.com/repos/ursa-labs/ursabot/languages",
+      "stargazers_url": "https://api.github.com/repos/ursa-labs/ursabot/stargazers",
+      "contributors_url": "https://api.github.com/repos/ursa-labs/ursabot/contributors",
+      "subscribers_url": "https://api.github.com/repos/ursa-labs/ursabot/subscribers",
+      "subscription_url": "https://api.github.com/repos/ursa-labs/ursabot/subscription",
+      "commits_url": "https://api.github.com/repos/ursa-labs/ursabot/commits{/sha}",
+      "git_commits_url": "https://api.github.com/repos/ursa-labs/ursabot/git/commits{/sha}",
+      "comments_url": "https://api.github.com/repos/ursa-labs/ursabot/comments{/number}",
+      "issue_comment_url": "https://api.github.com/repos/ursa-labs/ursabot/issues/comments{/number}",
+      "contents_url": "https://api.github.com/repos/ursa-labs/ursabot/contents/{+path}",
+      "compare_url": "https://api.github.com/repos/ursa-labs/ursabot/compare/{base}...{head}",
+      "merges_url": "https://api.github.com/repos/ursa-labs/ursabot/merges",
+      "archive_url": "https://api.github.com/repos/ursa-labs/ursabot/{archive_format}{/ref}",
+      "downloads_url": "https://api.github.com/repos/ursa-labs/ursabot/downloads",
+      "issues_url": "https://api.github.com/repos/ursa-labs/ursabot/issues{/number}",
+      "pulls_url": "https://api.github.com/repos/ursa-labs/ursabot/pulls{/number}",
+      "milestones_url": "https://api.github.com/repos/ursa-labs/ursabot/milestones{/number}",
+      "notifications_url": "https://api.github.com/repos/ursa-labs/ursabot/notifications{?since,all,participating}",
+      "labels_url": "https://api.github.com/repos/ursa-labs/ursabot/labels{/name}",
+      "releases_url": "https://api.github.com/repos/ursa-labs/ursabot/releases{/id}",
+      "deployments_url": "https://api.github.com/repos/ursa-labs/ursabot/deployments",
+      "created_at": "2019-02-04T15:40:31Z",
+      "updated_at": "2019-04-04T17:49:10Z",
+      "pushed_at": "2019-04-05T12:01:40Z",
+      "git_url": "git://github.com/ursa-labs/ursabot.git",
+      "ssh_url": "git@github.com:ursa-labs/ursabot.git",
+      "clone_url": "https://github.com/ursa-labs/ursabot.git",
+      "svn_url": "https://github.com/ursa-labs/ursabot",
+      "homepage": null,
+      "size": 898,
+      "stargazers_count": 1,
+      "watchers_count": 1,
+      "language": "Jupyter Notebook",
+      "has_issues": true,
+      "has_projects": true,
+      "has_downloads": true,
+      "has_wiki": true,
+      "has_pages": false,
+      "forks_count": 0,
+      "mirror_url": null,
+      "archived": false,
+      "disabled": false,
+      "open_issues_count": 19,
+      "license": null,
+      "forks": 0,
+      "open_issues": 19,
+      "watchers": 1,
+      "default_branch": "master"
+    }
+  },
+  "_links": {
+    "self": {
+      "href": "https://api.github.com/repos/ursa-labs/ursabot/pulls/26"
+    },
+    "html": {
+      "href": "https://github.com/ursa-labs/ursabot/pull/26"
+    },
+    "issue": {
+      "href": "https://api.github.com/repos/ursa-labs/ursabot/issues/26"
+    },
+    "comments": {
+      "href": "https://api.github.com/repos/ursa-labs/ursabot/issues/26/comments"
+    },
+    "review_comments": {
+      "href": "https://api.github.com/repos/ursa-labs/ursabot/pulls/26/comments"
+    },
+    "review_comment": {
+      "href": "https://api.github.com/repos/ursa-labs/ursabot/pulls/comments{/number}"
+    },
+    "commits": {
+      "href": "https://api.github.com/repos/ursa-labs/ursabot/pulls/26/commits"
+    },
+    "statuses": {
+      "href": "https://api.github.com/repos/ursa-labs/ursabot/statuses/2705da2b616b98fa6010a25813c5a7a27456f71d"
+    }
+  },
+  "author_association": "MEMBER",
+  "merged": false,
+  "mergeable": true,
+  "rebaseable": true,
+  "mergeable_state": "unstable",
+  "merged_by": null,
+  "comments": 5,
+  "review_comments": 0,
+  "maintainer_can_modify": false,
+  "commits": 2,
+  "additions": 1124,
+  "deletions": 0,
+  "changed_files": 7
+}
\ No newline at end of file
diff --git a/dev/archery/archery/tests/test_bot.py b/dev/archery/archery/tests/test_bot.py
new file mode 100644
index 00000000000..599773ec75e
--- /dev/null
+++ b/dev/archery/archery/tests/test_bot.py
@@ -0,0 +1,200 @@
+import json
+from pathlib import Path
+from unittest.mock import Mock
+
+import pytest
+import responses as rsps
+import click
+from click.testing import CliRunner
+
+from archery.bot import CommentBot, CommandError, group, bot
+
+
+@pytest.fixture
+def responses():
+    with rsps.RequestsMock() as mock:
+        yield mock
+
+
+def load_fixture(name):
+    path = Path(__file__).parent / 'fixtures' / '{}.json'.format(name)
+    with path.open('r') as fp:
+        return json.load(fp)
+
+
+def github_url(path):
+    return 'https://api.github.com:443/{}'.format(path.strip('/'))
+
+
+@group()
+def custom_handler():
+    pass
+
+
+@custom_handler.command()
+@click.pass_obj
+def extra(obj):
+    return obj
+
+
+@custom_handler.command()
+@click.option('--force', '-f', is_flag=True)
+def build(force):
+    return force
+
+
+@custom_handler.command()
+@click.option('--name', required=True)
+def benchmark(name):
+    return name
+
+
+def test_click_based_commands():
+    assert custom_handler('build') is False
+    assert custom_handler('build -f') is True
+
+    assert custom_handler('benchmark --name strings') == 'strings'
+    with pytest.raises(CommandError):
+        assert custom_handler('benchmark')
+
+    assert custom_handler('extra', extra='data') == {'extra': 'data'}
+
+
+@pytest.mark.parametrize('fixture_name', [
+    # the bot is not mentiond, nothing to do
+    'event-issue-comment-not-mentioning-ursabot',
+    # don't respond to itself, it prevents recursive comment storms!
+    'event-issue-comment-by-ursabot',
+    # non-authorized user sent the comment, do not respond
+    'event-issue-comment-by-non-authorized-user',
+])
+def test_noop_events(fixture_name):
+    payload = load_fixture(fixture_name)
+
+    handler = Mock()
+    bot = CommentBot(name='ursabot', token='', handler=handler)
+    bot.handle('issue_comment', payload)
+
+    handler.assert_not_called()
+
+
+def test_issue_comment_without_pull_request(responses):
+    responses.add(
+        responses.GET,
+        github_url('/repositories/169101701/issues/19'),
+        json=load_fixture('issue-19'),
+        status=200
+    )
+    responses.add(
+        responses.GET,
+        github_url('repos/ursa-labs/ursabot/pulls/19'),
+        json={},
+        status=404
+    )
+    responses.add(
+        responses.POST,
+        github_url('/repos/ursa-labs/ursabot/issues/19/comments'),
+        json={}
+    )
+
+    def handler(command, **kwargs):
+        pass
+
+    payload = load_fixture('event-issue-comment-without-pull-request')
+    bot = CommentBot(name='ursabot', token='', handler=handler)
+    bot.handle('issue_comment', payload)
+
+    post = responses.calls[2]
+    assert json.loads(post.request.body) == {
+        'body': "The comment bot only listens to pull request comments!"
+    }
+
+
+def test_respond_with_usage(responses):
+    responses.add(
+        responses.GET,
+        github_url('/repositories/169101701/issues/26'),
+        json=load_fixture('issue-26'),
+        status=200
+    )
+    responses.add(
+        responses.GET,
+        github_url('/repos/ursa-labs/ursabot/pulls/26'),
+        json=load_fixture('pull-request-26'),
+        status=200
+    )
+    responses.add(
+        responses.GET,
+        github_url('/repos/ursa-labs/ursabot/issues/comments/480243811'),
+        json=load_fixture('issue-comment-480243811')
+    )
+    responses.add(
+        responses.POST,
+        github_url('/repos/ursa-labs/ursabot/issues/26/comments'),
+        json={}
+    )
+
+    def handler(command, **kwargs):
+        raise CommandError('test-usage')
+
+    payload = load_fixture('event-issue-comment-with-empty-command')
+    bot = CommentBot(name='ursabot', token='', handler=handler)
+    bot.handle('issue_comment', payload)
+
+    post = responses.calls[3]
+    assert json.loads(post.request.body) == {'body': '```\ntest-usage\n```'}
+
+
+@pytest.mark.parametrize(('command', 'reaction'), [
+    ('@ursabot build', '+1'),
+    ('@ursabot listen', '-1'),
+])
+def test_issue_comment_with_commands(responses, command, reaction):
+    responses.add(
+        responses.GET,
+        github_url('/repositories/169101701/issues/26'),
+        json=load_fixture('issue-26'),
+        status=200
+    )
+    responses.add(
+        responses.GET,
+        github_url('/repos/ursa-labs/ursabot/pulls/26'),
+        json=load_fixture('pull-request-26'),
+        status=200
+    )
+    responses.add(
+        responses.GET,
+        github_url('/repos/ursa-labs/ursabot/issues/comments/480248726'),
+        json=load_fixture('issue-comment-480248726')
+    )
+    responses.add(
+        responses.POST,
+        github_url(
+            '/repos/ursa-labs/ursabot/issues/comments/480248726/reactions'
+        ),
+        json={}
+    )
+
+    def handler(command, **kwargs):
+        if command == 'build':
+            return True
+        else:
+            raise ValueError('Only `build` command is supported.')
+
+    payload = load_fixture('event-issue-comment-build-command')
+    payload["comment"]["body"] = command
+
+    bot = CommentBot(name='ursabot', token='', handler=handler)
+    bot.handle('issue_comment', payload)
+
+    post = responses.calls[3]
+    assert json.loads(post.request.body) == {'content': reaction}
+
+
+# TODO(kszucs): properly mock it
+# def test_crossbow_submit():
+#     runner = CliRunner()
+#     result = runner.invoke(
+#         bot, ['crossbow', 'submit', '-g', 'wheel', '--dry-run']
+#     )
+#     assert result.exit_code == 0
\ No newline at end of file
diff --git a/dev/archery/archery/utils/crossbow.py b/dev/archery/archery/utils/crossbow.py
new file mode 100644
index 00000000000..f28b9762469
--- /dev/null
+++ b/dev/archery/archery/utils/crossbow.py
@@ -0,0 +1,23 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+
+from .command import Command, default_bin
+
+
+class Crossbow(Command):
+    def __init__(self, crossbow_bin=None):
+        self.bin = default_bin(crossbow_bin, "arrow/dev/tasks/crossbow.py")