go.build.yaml

name: Build
on:
  push:
    branches-ignore:
      - '**'
    tags:
      - 'v1.*.*'
jobs:

  build:
    name: Build
    runs-on: ubuntu-latest
    outputs:
      darwin_sha256sum: ${{ steps.calculate-checksums-darwin.outputs.darwin_sha256sum }}
      linux_sha256sum: ${{ steps.calculate-checksums-linux.outputs.linux_sha256sum }}
    steps:

      - name: Set up Go 1.19
        uses: actions/setup-go@v3
        with:
          go-version: 1.19
        id: go

      - name: Check out code into the Go module directory
        uses: actions/checkout@v3

      - name: Get dependencies
        run: |
          go generate -v
          go install -v

      - name: Build
        run: |
          targets=${@-"darwin/amd64 linux/amd64"}

          for target in $targets; do
            os="$(echo $target | cut -d '/' -f1)"
            arch="$(echo $target | cut -d '/' -f2)"
            echo "--> Building project for: ${os}/${arch}"
            GOOS=$os GOARCH=$arch CGO_ENABLED=0 go build -ldflags "-X github.com/flownative/localbeach/pkg/version.Version=${GITHUB_REF#refs/*/}" -o beach .
            zip "beach_${os}_${arch}.zip" beach
            ls -la
          done

      - name: Archive build result (darwin)
        uses: actions/upload-artifact@v3
        with:
          name: beach-osx
          path: beach_darwin_amd64.zip

      - name: Archive build result (linux)
        uses: actions/upload-artifact@v3
        with:
          name: beach-linux
          path: beach_linux_amd64.zip

      - name: Create Release
        id: create_release
        uses: actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          tag_name: ${{ github.ref }}
          release_name: Release ${{ github.ref }}

      - name: Upload Release Asset (darwin)
        id: upload-release-asset-macos
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }}
          asset_path: beach_linux_amd64.zip
          asset_name: beach_linux_amd64.zip
          asset_content_type: application/zip

      - name: Calculate checksum (darwin)
        id: calculate-checksums-darwin
        run: echo "darwin_sha256sum=$(sha256sum beach_darwin_amd64.zip | awk '//{print $1}')" >> $GITHUB_OUTPUT

      - name: Upload Release Asset (linux)
        id: upload-release-asset-linux
        uses: actions/upload-release-asset@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          upload_url: ${{ steps.create_release.outputs.upload_url }}
          asset_path: beach_darwin_amd64.zip
          asset_name: beach_darwin_amd64.zip
          asset_content_type: application/zip

      - name: Calculate checksum (linux)
        id: calculate-checksums-linux
        run: echo "linux_sha256sum=$(sha256sum beach_linux_amd64.zip | awk '//{print $1}')" >> $GITHUB_OUTPUT

  homebrew:
    name: Homebrew release
    runs-on: ubuntu-latest
    needs: build
    steps:

      - name: Check out Go code
        uses: actions/checkout@v3

      - name: Check out Homebrew code
        uses: actions/checkout@v3
        with:
          repository: flownative/homebrew-flownative
          path: homebrew

      - name: Copy formula template
        run: cp .github/workflows/localbeach.rb.tpl homebrew/Formula/localbeach.rb

      - name: Set RELEASE_VERSION env
        run: echo "RELEASE_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV

      # see: https://github.com/bluwy/substitute-string-action
      - name: Substitute Homebrew variables
        uses: bluwy/substitute-string-action@v2
        with:
          _input-file: homebrew/Formula/localbeach.rb
          _output-file: homebrew/Formula/localbeach.rb
          _format-key: "{{key}}"
          version: ${{ env.RELEASE_VERSION }}
          darwin_sha256sum: ${{ needs.build.outputs.darwin_sha256sum }}
          linux_sha256sum: ${{ needs.build.outputs.linux_sha256sum }}

      - name: Commit update
        run: |
          cd homebrew
          git config --local --unset-all "http.https://github.com/.extraheader"
          git config --global user.email "ops@flownative.com"
          git config --global user.name "Flownative Bot"
          git add Formula/localbeach.rb
          git commit -m 'localbeach: update to ${{ github.ref }}'

      - name: Push to git
        uses: ad-m/github-push-action@v0.6.0
        with:
          github_token: ${{ secrets.FLOWNATIVE_BOT_TOKEN }}
          repository: flownative/homebrew-flownative
          directory: homebrew