release.yml

name: Release

on:
  pull_request:
    types: [closed]
    paths:
      - '.github/project.yml'

jobs:
  release:
    runs-on: ubuntu-latest
    name: release
    if: ${{ github.event.pull_request.merged == true }}
    env:
      GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}

    steps:
      - uses: radcortez/project-metadata-action@main
        name: retrieve project metadata
        id: metadata
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          metadata-file-path: '.github/project.yml'

      - uses: actions/checkout@v4
        with:
          token: ${{ secrets.RELEASE_TOKEN }}

      - uses: actions/setup-java@v4
        with:
          distribution: 'temurin'
          java-version: 21
          server-id: ossrh # Value of the distributionManagement/repository/id field of the pom.xml
          server-username: OSSRH_USERNAME # env variable for username in deploy
          server-password: OSSRH_TOKEN # env variable for token in deploy
          gpg-private-key: ${{ secrets.MAVEN_GPG_PRIVATE_KEY }} # Value of the GPG private key to import
          gpg-passphrase: MAVEN_GPG_PASSPHRASE # env variable for GPG private key passphrase

      - name: Setup Maven Cache
        uses: actions/cache@v4
        with:
          path: ~/.m2/repository
          key: m2-repository-${{ hashFiles('**/pom.xml') }}

      - name: maven release ${{ steps.metadata.outputs.current-version }}
        env:
          OSSRH_USERNAME: ${{ secrets.OSSRH_USERNAME }}
          OSSRH_TOKEN: ${{ secrets.OSSRH_TOKEN }}
          MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git checkout -b release

          mvn -B release:prepare \
            -DreleaseVersion=${{ steps.metadata.outputs.current-version }} \
            -DdevelopmentVersion=${{ steps.metadata.outputs.next-version }}

          git checkout ${{ github.base_ref }}
          git rebase release

          mvn -B release:perform

      - name: Push Release Tag
        run: |
          git push
          git push --tags

      - uses: radcortez/milestone-release-action@main
        name: milestone release
        with:
          github-token: ${{ secrets.GITHUB_TOKEN }}
          milestone-title: v${{ steps.metadata.outputs.current-version }}