release.yml

name: Release

on:
  push:
    branches: [ 'release/*' ]

jobs:
  build:
    name: Release
    runs-on: ubuntu-latest
    steps:
      - name: Check out code
        uses: actions/checkout@v7
      - name: Determine version
        id: get_version
        shell: bash
        env:
          BRANCH: ${{ github.head_ref || github.ref_name }}
        run: |
          if [[ ${BRANCH##*/} =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[A-Za-z0-9\.]+)*(\+[A-Za-z0-9\.\-]+)?$ ]]; then
            echo "BRANCH=${BRANCH}" >> $GITHUB_ENV
            echo "VERSION=${BRANCH##*/}" >> $GITHUB_ENV
          else
            echo "::error::Not a valid version: ${BRANCH##*/}"
            exit 1
          fi
      - name: Set up Java
        uses: actions/setup-java@v6.0.0
        with:
          distribution: temurin
          java-version: |
            8
            25
          mvn-toolchain-id: |
            jdk8
            jdk25
          cache: maven
          mvn-server-credentials: central:MAVEN_CENTRAL_USERNAME:MAVEN_CENTRAL_TOKEN
          gpg-passphrase-env-var: MAVEN_GPG_PASSPHRASE
          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
      - name: Set version
        run: |
          ./mvnw --batch-mode versions:set versions:commit -DnewVersion="${VERSION}" -DprocessAllModules=true
          ./mvnw --batch-mode license:format
      - name: Commit and tag new version
        run: |
          git config user.name "Talsma CI"
          git config user.email "ci-user@talsma-ict.nl"
          git commit -sam "Release: Set project version to ${VERSION}"
          git tag -m "Release version ${VERSION}" "${VERSION}"
          git push --follow-tags
      - name: Deploy release
        env:
          MAVEN_CENTRAL_USERNAME: ${{ secrets.SONATYPE_USER }}
          MAVEN_CENTRAL_TOKEN: ${{ secrets.SONATYPE_PASSWORD }}
          MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}
        run: ./mvnw --batch-mode clean deploy -Dmaven.repository.credentialScope=id
      - name: Create Github release
        uses: softprops/action-gh-release@efb35369e0ad2afab669f228072c1b0d510eae64 # v3.0.3
        with:
          tag_name: ${{ env.VERSION }}
          name: Release ${{ env.VERSION }}
          draft: true
          files: |
            **/target/*.jar
            **/target/*.jar.asc
      - name: Set next snapshot version
        run: |
          read base minor suffix <<<$(echo "${VERSION}" | perl -pe 's/^(.*?)([0-9]+)([^0-9]*)$/\1 \2 \3/')
          nextSnapshot="${base}$((minor+1))${suffix}-SNAPSHOT"
          ./mvnw --batch-mode versions:set versions:commit -DnewVersion="${nextSnapshot}" -DprocessAllModules=true
          git commit -sam "Release: Set next project version to ${nextSnapshot}"
          git push --follow-tags
      - name: Create post-release merge request
        env:
          GH_TOKEN: ${{ secrets.GH_TOKEN }}
        run: gh pr create --head ${BRANCH} --title "Merge release ${VERSION} to main branch" --body 'Created by Github action'