build.yml

name: Build

on:
  push:
    branches: [ main ]

jobs:
  build:
    name: Build
    runs-on: ubuntu-latest
    strategy:
      matrix:
        go-version: [1.21.x]
        os: [linux, darwin, windows]
    steps:
      # Check out
      - uses: actions/checkout@v4

      # Prepare build
      - name: Set up Go
        uses: actions/setup-go@v4
        with:
          go-version: ${{ matrix.go-version }}
      - name: Extract project version
        id: project_version
        run: echo "version=$(grep 'const version =' colorexp.go | cut -d '"' -f 2)" >> $GITHUB_STATE
      - name: Extract commit hash
        id: git_commit
        run: echo "sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
      - name: Download dependencies
        run: go mod tidy

      # Build
      - name: Build
        run: |
          env GOOS=${{ matrix.os }} GOARCH=amd64 go build -o colorexp-${{ matrix.os }}-amd64-${{ steps.project_version.outputs.version }}-${{ steps.git_commit.outputs.sha }} colorexp.go
      - name: Upload artifact
        if: github.event_name == 'push'
        uses: actions/upload-artifact@v4
        with:
          name: colorexp-${{ matrix.os }}-amd64-${{ steps.project_version.outputs.version }}-${{ steps.git_commit.outputs.sha }}
          path: colorexp-${{ matrix.os }}-amd64-${{ steps.project_version.outputs.version }}-${{ steps.git_commit.outputs.sha }}

      # Create a GitHub release
      - name: Create Release
        id: create_release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: v${{ env.version }}
          release_name: Release ${{ env.version }}
          draft: false
          prerelease: false

      # Upload release asset for each OS
      - name: Upload Release Asset
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }}
          asset_path: ./colorexp-${{ matrix.os }}-amd64-${{ env.version }}-${{ env.sha }}
          asset_name: colorexp-${{ matrix.os }}-amd64-${{ env.version }}-${{ env.sha }}
          asset_content_type: application/octet-stream