release.yml

name: Release
on:
  workflow_dispatch:
    inputs:
      version:
        type: string
        description: Semantic Version (major.minor.patch)
  pull_request:
    types:
      - closed
  push:
    tags:
      - v*

env:
  VERSION: ${{ github.event.inputs.version }}
  APP_ID: 285308

jobs:
  prepare:
    runs-on: ubuntu-latest
    if: ${{ github.event_name == 'workflow_dispatch' && github.event.inputs.version != '' }}
    steps:
      - name: Generate app token
        id: token
        uses: tibdex/github-app-token@v2
        with:
          app_id: ${{env.APP_ID}}
          private_key: ${{ secrets.RELEASE_BOT_PRIVATE_KEY }}
          repository: ${{ github.repository }}
          permissions: >-
            {"contents": "write", "pull_requests": "write"}

      - name: Checkout
        uses: actions/checkout@v4
        with:
          token: ${{ steps.token.outputs.token }}

      - uses: actions/setup-go@v5
        with:
          go-version: stable

      - run: |
          sed -i "s/Version.*=.*\"[0-9]\.[0-9][0-9]*\.[0-9][0-9]*.*\"/Version = \"${{ github.event.inputs.version }}\"/g" internal/version/version.go
          gofmt -s -w internal/version/version.go

      - name: File PR
        uses: peter-evans/create-pull-request@v5
        with:
          add-paths: .
          commit-message: "update version to v${{env.VERSION}}"
          branch: release/v${{env.VERSION}}
          delete-branch: true
          title: "Release v${{env.VERSION}}"
          body: |
            Prepare release for ${{env.VERSION}}.
          token: ${{ steps.token.outputs.token }}

  tag:
    runs-on: ubuntu-latest
    if: ${{ github.event_name == 'pull_request' && github.event.pull_request.merged == true && startsWith(github.event.pull_request.head.ref, 'release') }}
    steps:
      - name: Generate app token
        id: token
        uses: tibdex/github-app-token@v2
        with:
          app_id: ${{env.APP_ID}}
          private_key: ${{ secrets.RELEASE_BOT_PRIVATE_KEY }}
          repository: ${{ github.repository }}
          permissions: >-
            {"contents": "write"}

      - name: Set VERSION from branch
        run: |
          VERSION=${{github.head_ref}}
          echo "VERSION=${VERSION##*/}" >> $GITHUB_ENV

      - name: Checkout
        uses: actions/checkout@v4
        with:
          token: ${{ steps.token.outputs.token }}
          fetch-depth: 0

      - name: Tag
        run: |
          git config --global user.password ${{ steps.token.outputs.token }}
          git tag -d ${{env.VERSION}} 2> /dev/null || echo 'local ref does not exist'
          git push origin :${{env.VERSION}} 2> /dev/null || echo 'remote ref does not exist'
          git tag ${{env.VERSION}}
          git push origin ${{env.VERSION}}

  build:
    runs-on: ubuntu-latest
    if: ${{ github.event_name == 'push' && startsWith(github.ref_name, 'v') && github.ref_type == 'tag'}}
    strategy:
      matrix:
        goos:
          - linux
        goarch:
          - amd64
          - arm64
    steps:
      - name: Generate app token
        id: token
        uses: tibdex/github-app-token@v2
        with:
          app_id: ${{env.APP_ID}}
          private_key: ${{ secrets.RELEASE_BOT_PRIVATE_KEY }}
          repository: ${{ github.repository }}

      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: stable

      - id: go-cache-paths
        run: |-
          echo "go-build=$(go env GOCACHE)" >> $GITHUB_OUTPUT
          echo "go-mod=$(go env GOMODCACHE)" >> $GITHUB_OUTPUT
      - uses: actions/cache@v3
        with:
          key: ${{ runner.os }}-${{ matrix.goos }}-${{ matrix.goarch }}-go-build-${{ hashFiles('**/go.sum') }}
          path: ${{ steps.go-cache-paths.outputs.go-build }}
      - uses: actions/cache@v3
        with:
          key: ${{ runner.os }}-${{ matrix.goos }}-${{ matrix.goarch }}-go-mod-${{ hashFiles('**/go.sum') }}
          path: ${{ steps.go-cache-paths.outputs.go-mod }}

      - run: git config --global url."https://bearer:${{ steps.token.outputs.token }}@github.com".insteadOf "https://github.com"
      - run: mkdir bin && go build -ldflags="-w -s" -o bin/protoc-gen-gorm-${{ matrix.goos }}-${{ matrix.goarch }} ./
        env:
          CGO_ENABLED: 0
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}

      - name: Compress
        uses: crazy-max/ghaction-upx@v3
        with:
          version: latest
          files: bin/*
          args: -9q

      - uses: actions/upload-artifact@v4
        with:
          name: protoc-gen-gorm-${{ matrix.goos }}-${{ matrix.goarch }}
          path: bin/protoc-gen-gorm-${{ matrix.goos }}-${{ matrix.goarch }}

  perform:
    needs:
      - build
    runs-on: ubuntu-latest
    if: ${{ github.event_name == 'push' && startsWith(github.ref_name, 'v') && github.ref_type == 'tag'}}
    steps:
      - name: Generate app token
        id: token
        uses: tibdex/github-app-token@v2
        with:
          app_id: ${{env.APP_ID}}
          private_key: ${{ secrets.RELEASE_BOT_PRIVATE_KEY }}
          repository: ${{ github.repository }}
          permissions: >-
            {"contents": "write", "pull_requests": "write"}

      - name: Checkout
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          fetch-depth: 0

      - name: Set VERSION from tag
        run: |
          echo "VERSION=${{github.ref_name}}" >> $GITHUB_ENV

      - uses: actions/download-artifact@v4
        with:
          path: ${{github.workspace}}/bin

      - uses: actions/setup-go@v5
        with:
          go-version: stable

      - name: Release
        uses: softprops/action-gh-release@v1
        with:
          token: ${{ steps.token.outputs.token }}
          files: |
            ${{github.workspace}}/bin/**

      - name: Trigger action release
        uses: peter-evans/repository-dispatch@v2
        with:
          repository: complex64/protoc-gen-gorm
          token: ${{ steps.token.outputs.token }}
          event-type: release
          client-payload: '{"version":"${{env.VERSION}}"}'