build.yaml

# every push to a branch: build binary
name: Build
on:
  pull_request:
    types: [opened, synchronize]
jobs:
  build_binary:
    name: Build shell-operator binary
    runs-on: ubuntu-latest
    steps:
      - name: Set up Go 1.20
        uses: actions/setup-go@v4
        with:
          go-version: "1.20"

      - name: Check out shell-operator code
        uses: actions/checkout@v4

      - name: Restore Go modules
        id: go-modules-cache
        uses: actions/cache@v3.3.2
        with:
          path: |
            ~/go/pkg/mod
          key: ${{ runner.os }}-gomod-${{ hashFiles('go.mod', 'go.sum') }}

      - name: Download Go modules
        if: steps.go-modules-cache.outputs.cache-hit != 'true'
        run: |
          go mod download
          echo -n "Go modules unpacked size is: " && du -sh $HOME/go/pkg/mod

      - name: Download prebuilt libjq static libraries
        run: |
          curl -sSfL https://github.com/flant/libjq-go/releases/download/jq-b6be13d5-0/libjq-glibc-amd64.tgz | tar zxf -

      - name: Build binary
        run: |
          export CGO_ENABLED=1
          export CGO_CFLAGS="-I$GITHUB_WORKSPACE/libjq/include"
          export CGO_LDFLAGS="-L$GITHUB_WORKSPACE/libjq/lib"
          export GOOS=linux

          go build -tags use_libjq ./cmd/shell-operator

# MacOS build works fine because jq package already has static libraries.
# Windows build requires jq compilation, this should be done in libjq-go.
# TODO Does cross-compile can help here?
#
#  build_darwin_binary:
#    name: Darwin binary
#    runs-on: macos-10.15
#    steps:
#      - uses: actions/checkout@v4
#
#      - name: install jq
#        run: |
#          brew install jq
#
#      - name: build shell-operator binary
#        run: |
#          GO111MODULE=on \
#          CGO_ENABLED=1 \
#          go build ./cmd/shell-operator
#
#          file ./shell-operator
#
#          ./shell-operator version
#
#  build_windows_binary:
#    name: Windows binary
#    runs-on: windows-2019
#    steps:
#      - uses: actions/checkout@v4
#
#      - name: build shell-operator binary
#        run: |
#          GO111MODULE=on \
#          CGO_ENABLED=1 \
#          go build ./cmd/shell-operator
#
#          ls -la .
#
#          ./shell-operator.exe version
#        shell: bash