add goreleaser

.github/workflows/release.yml

@@ -0,0 +1,24 @@
+name: release
+on:
+  push:
+    tags:
+    - "v[0-9]+.[0-9]+.[0-9]+"
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Unshallow
+        run: git fetch --prune --unshallow
+      - name: Setup Go
+        uses: actions/setup-go@v1
+        with:
+          go-version: 1.13
+      - name: Run GoReleaser
+        uses: goreleaser/goreleaser-action@v1
+        with:
+          version: latest
+          args: release --rm-dist
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.goreleaser.yml

@@ -0,0 +1,29 @@
+project_name: pythonbrew
+env:
+  - GO111MODULE=on
+before:
+  hooks:
+    - go mod tidy
+builds:
+- 
+  main: ./cmd/pythonbrew/pythonbrew.go
+  binary: pythonbrew
+  flags: -trimpath
+  ldflags:
+    - -s -w
+    - -X github.com/utahta/pythonbrew/subcmd.Version={{.Version}}
+  env:
+    - CGO_ENABLED=0
+  goos:
+    - darwin
+    - linux
+    - freebsd
+    - windows
+archives:
+- 
+  name_template: "{{ .ProjectName }}_{{ .Os }}_{{ .Arch }}"
+  format_overrides:
+    - goos: windows
+      format: zip
+release:
+  prerelease: auto