release.yml

name: Release to Maven Central

on:
  push:
    branches:
      - main

jobs:
  release:
    runs-on: ubuntu-latest

    permissions:
      contents: write

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

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

      - name: Configure Git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Get current version and increment
        id: version
        run: |
          CURRENT_VERSION=$(mvn help:evaluate -Dexpression=project.version -q -DforceStdout)
          echo "current=$CURRENT_VERSION" >> $GITHUB_OUTPUT

          # Remove -SNAPSHOT if present
          RELEASE_VERSION=${CURRENT_VERSION%-SNAPSHOT}
          echo "release=$RELEASE_VERSION" >> $GITHUB_OUTPUT

          # Calculate next version (increment patch)
          IFS='.' read -r major minor patch <<< "$RELEASE_VERSION"
          NEXT_VERSION="$major.$minor.$((patch + 1))-SNAPSHOT"
          echo "next=$NEXT_VERSION" >> $GITHUB_OUTPUT

      - name: Set release version
        run: |
          mvn versions:set -DnewVersion=${{ steps.version.outputs.release }} -DgenerateBackupPoms=false

      - name: Build and verify
        run: mvn -B clean verify -Prelease
        env:
          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}

      - name: Deploy to Maven Central
        run: mvn -B deploy -Prelease -DskipTests
        env:
          CENTRAL_USERNAME: ${{ secrets.CENTRAL_USERNAME }}
          CENTRAL_PASSWORD: ${{ secrets.CENTRAL_PASSWORD }}
          GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}

      - name: Create Git tag
        run: |
          git tag -a "v${{ steps.version.outputs.release }}" -m "Release v${{ steps.version.outputs.release }}"
          git push origin "v${{ steps.version.outputs.release }}"

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: v${{ steps.version.outputs.release }}
          name: Release v${{ steps.version.outputs.release }}
          generate_release_notes: true
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Set next development version
        run: |
          mvn versions:set -DnewVersion=${{ steps.version.outputs.next }} -DgenerateBackupPoms=false
          git add pom.xml
          git commit -m "chore: bump version to ${{ steps.version.outputs.next }} [skip ci]"
          git push origin main