prepare-release.yml

name: Prepare Jib extension release
on:
  workflow_dispatch:
    inputs:
      jib_extension:
        description: Jib extension to release
        required: true
        default: (jib-layer-filter-extension-gradle | ...)
      release_version:
        description: new release version
        required: true
        default: (for example, 0.2.0)

jobs:
  release:
    name: Prepare Jib extension release
    runs-on: ubuntu-latest
    steps:
      - name: Check out code
        uses: actions/checkout@v2.3.4

      - name: Check input
        run: |
          echo '* input Jib extension: "${{ github.event.inputs.jib_extension }}"'

          if [[ ! "${{ github.event.inputs.release_version }}" =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo 'version "${{ github.event.inputs.release_version }}" not in ###.###.### format'
            exit 1
          fi

      - name: Build Jib extension
        run: |
          cd first-party
          ./gradlew clean ${{ github.event.inputs.jib_extension }}:integrationTest --stacktrace

      - name: Run Gradle release
        run: |
          git checkout -b ${{ github.event.inputs.jib_extension }}-release-v${{ github.event.inputs.release_version }}
          git config user.email ${{ github.actor }}@users.noreply.github.com
          git config user.name ${{ github.actor }}

          cd first-party
          # This creates the tag (e.g., "v0.2.0-jib-layer-filter-extension-gradle") and pushes the updated
          # branch (e.g., "jib-layer-filter-extension-gradle-release-v0.2.0") and the new tag.
          ./gradlew ${{ github.event.inputs.jib_extension }}:release \
            -Prelease.useAutomaticVersion=true \
            -Prelease.releaseVersion=${{ github.event.inputs.release_version }}

      - name: Create pull request
        uses: repo-sync/pull-request@v2.6.2
        id: create-pr
        with:
          github_token: ${{ secrets.CLOUD_JAVA_BOT_GITHUB_TOKEN }}
          source_branch: ${{ github.event.inputs.jib_extension }}-release-v${{ github.event.inputs.release_version }}
          pr_title: "${{ github.event.inputs.jib_extension }} release v${{ github.event.inputs.release_version }}"
          pr_body: "To be merged after the release is complete."
          pr_label: "PR: Merge After Release"

      - name: Create release checklist issue
        uses: JasonEtco/create-an-issue@v2.5.0
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          RELEASE_NAME: v${{ github.event.inputs.release_version }}-${{ github.event.inputs.jib_extension }}
          README_URL: https://github.com/GoogleContainerTools/jib-extensions/blob/master/first-party/${{ github.event.inputs.jib_extension }}/README.md
          RELEASE_PR: ${{steps.create-pr.outputs.pr_url}}
        with:
          filename: .github/RELEASE_TEMPLATES/release_checklist.md