name: CI

on: [push, pull_request]

env:
  BINARY_PREFIX: "study_xxqg_"
  BINARY_SUFFIX: ""
  PR_PROMPT: "::warning:: Build artifact will not be uploaded due to the workflow is trigged by pull request."
  LD_FLAGS: "-w -s"

jobs:
  build:
    name: Build binary CI
    runs-on: ubuntu-latest
    strategy:
      matrix:
        # build and publish in parallel: linux/386, linux/amd64, windows/386, windows/amd64, darwin/amd64, darwin/arm64
        goos: [linux, windows, darwin]
        goarch: ["386", amd64, arm, arm64]
        exclude:
          - goos: darwin
            goarch: arm
          - goos: darwin
            goarch: "386"
          - goos: windows
            goarch: arm64
      fail-fast: true
    steps:
      - uses: actions/checkout@v2
      - name: Setup Go environment
        uses: actions/setup-go@v2.1.3
        with:
          go-version: 1.17
      - name: Build binary file
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
          IS_PR: ${{ !!github.head_ref }}
        run: |
          if [ $GOOS = "windows" ]; then export BINARY_SUFFIX="$BINARY_SUFFIX.exe"; fi
          if $IS_PR ; then echo $PR_PROMPT; fi
          export BINARY_NAME="$BINARY_PREFIX$GOOS_$GOARCH$BINARY_SUFFIX"
          export CGO_ENABLED=0
          go build -o "output/$BINARY_NAME" -ldflags "-w -s -X main.VERSION=action"
      - name: Upload artifact
        uses: actions/upload-artifact@v2
        if: ${{ !github.head_ref }}
        with:
          name: ${{ matrix.goos }}_${{ matrix.goarch }}
          path: output/