release.yml

name: Release to Maven Central

on:
  release:
    types: [created]

jobs:
  publish:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4

    - name: Set up JDK 17
      uses: actions/setup-java@v4
      with:
        java-version: '17'
        distribution: 'temurin'
        server-id: central
        server-username: MAVEN_USERNAME
        server-password: MAVEN_PASSWORD
        gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
        gpg-passphrase: GPG_PASSPHRASE

    - name: Cache Maven packages
      uses: actions/cache@v4
      with:
        path: ~/.m2
        key: ${{ runner.os }}-m2-${{ hashFiles('**/pom.xml') }}
        restore-keys: ${{ runner.os }}-m2

    - name: Set Release Version
      run: |
        VERSION=${{ github.event.release.tag_name }}
        VERSION=${VERSION#v}  # Remove 'v' prefix if present
        mvn versions:set -DnewVersion=${VERSION} -DgenerateBackupPoms=false

    - name: Publish to Central
      run: mvn clean deploy -P release -DskipTests
      env:
        MAVEN_USERNAME: ${{ secrets.CENTRAL_TOKEN_USERNAME }}
        MAVEN_PASSWORD: ${{ secrets.CENTRAL_TOKEN_PASSWORD }}
        GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}

    - name: Update to Next Snapshot
      run: |
        # Increment patch version with SNAPSHOT for next development iteration
        CURRENT_VERSION=${{ github.event.release.tag_name }}
        VERSION=${CURRENT_VERSION#v}  # Remove 'v' prefix if present
        MAJOR=$(echo $VERSION | cut -d. -f1)
        MINOR=$(echo $VERSION | cut -d. -f2)
        PATCH=$(echo $VERSION | cut -d. -f3)
        NEXT_PATCH=$((PATCH + 1))
        NEXT_VERSION="${MAJOR}.${MINOR}.${NEXT_PATCH}-SNAPSHOT"

        mvn versions:set -DnewVersion=${NEXT_VERSION} -DgenerateBackupPoms=false
        git config user.name github-actions
        git config user.email github-actions@github.com
        git add pom.xml */pom.xml
        git commit -m "Prepare next development iteration [skip ci]"
        git push