Add support to static binaries (windows/linux amd64) (#87)

* Build for windows on github actions

* Generate artifacts after build

.github/workflows/ci.yml

@@ -27,6 +27,11 @@ jobs:
       run: | 
         make build
         ./gitql -v
+    - uses: actions/upload-artifact@master
+      name: Generating artifact
+      with:
+        name: gitql-linux64
+        path: ./gitql
 
   build-mac:
     name: Build mac
@@ -56,4 +61,41 @@ jobs:
         export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$(PWD)/libgit2/install/lib
         export DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH:$(PWD)/libgit2/install/lib
         make build-dynamic || true
-        ./gitql -v
+        ./gitql -v
+    - uses: actions/upload-artifact@master
+      name: Generating artifact
+      with:
+        name: gitql-mac64
+        path: ./gitql
+
+  build-windows:
+    name: Build windows
+    runs-on: windows-2019
+    steps:
+    - name: Set up Go 1.12
+      uses: actions/setup-go@v1
+      with:
+        version: 1.12
+      id: go
+
+    - name: Check out code into the Go module directory
+      uses: actions/checkout@v1
+
+    - name: Run tests
+      run: | 
+        make test
+
+    - name: Build windows
+      env:
+        TARGET_OS_ARCH: windows/amd64
+      run: | 
+        choco install ninja vcredist2017
+        set PATH=%HOMEDRIVE%\mingw64\bin;%PATH%
+        make build
+        .\gitql.exe -v
+
+    - uses: actions/upload-artifact@master
+      name: Generating artifact
+      with:
+        name: gitql-win64
+        path: .\gitql.exe

README.md

@@ -15,10 +15,12 @@ See more [here](https://asciinema.org/a/97094)
 - pkg-config  
 
 ## How to install
+
+We support static compiling for linux and windows platform (amd64), so you can access the [releases page](https://github.com/cloudson/gitql/releases) and just grab the binary. If you want to compile itself follow the instructions below: 
+
 ### linux/amd64 
 
-We support static compiling for linux architetures, so you can access the [releases page](https://github.com/cloudson/gitql/releases). If you want to compile itself, take a look in the dockerfile to
-understand the whole process. 
+Read the dockerfile to understand the whole process. 
 
 ### darwin/amd64
 
@@ -32,8 +34,18 @@ export DYLD_LIBRARY_PATH=$DYLD_LIBRARY_PATH:$(PWD)/libgit2/install/lib
 make build-dynamic
 ```
 
+### windows/amd64
+
+You need a C compiler, Cmake and Ninja installed. Using chocolately it should be easy 
+
+```bash
+choco install cmake ninja vcredist2017
+set PATH=%HOMEDRIVE%\mingw64\bin;%PATH%
+make build
+```
+
 You can always take a look in our [github actions file](./.github/workflows/ci.yml) to understand
-how we build it in the ci server.
+how we build it in the ci server. If even after try [the binaries](https://github.com/cloudson/gitql/releases) or either compile yourself you couldn't use that. Open an issue. 
 
 ## Examples 
 
@@ -66,7 +78,7 @@ As an example, this is the `commits` table:
 
 ## Questions?
 
-`gitql -h` or open an [issue](https://github.com/cloudson/gitql/issues)
+`gitql` or open an [issue](https://github.com/cloudson/gitql/issues)
 
 Notes:
 * Gitql doesn't want to _kill_ `git log` - it was created just for science! :sweat_smile:

install.sh

@@ -71,7 +71,6 @@ build_libgit2_windows(){
   -DUSE_ICONV=OFF \
   -DWINHTTP=OFF \
   -DCMAKE_SYSTEM_NAME=Windows \
-  -DCMAKE_C_COMPILER=${CC} \
   -DCMAKE_BUILD_TYPE="RelWithDebInfo" \
   -DCMAKE_INSTALL_PREFIX="${LIBGIT2_STATIC_PREFIX}" \
   -DWIN32=ON \
@@ -123,7 +122,8 @@ build_libgit2(){
     build_libgit2_darwin
   ;;
   windows/amd64*)
-    export GOOS=windows GOARCH=amd64 CC=x86_64-w64-mingw32-clang
+    export GOOS=windows GOARCH=amd64 
+    # CC=x86_64-w64-mingw32-clang
     FLAGS="-lws2_32"
     export CGO_LDFLAGS="${LIBGIT2_STATIC_PREFIX}/lib/libgit2.a -L${LIBGIT2_STATIC_PREFIX}/include ${FLAGS}"
     build_libgit2_windows