release.yml

name: Manual Release

on:
  workflow_dispatch:
    inputs:
      new_version:
        description: 'New version (e.g., 1.2.0)'
        required: true
      release_name:
        description: 'Release name'
        required: true

jobs:
  release:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          fetch-depth: 0

      - name: Check if tag already exists
        run: |
          if git rev-parse "v${{ github.event.inputs.new_version }}" >/dev/null 2>&1; then
            echo "Error: Tag v${{ github.event.inputs.new_version }} already exists. Releases are immutable."
            exit 1
          fi

      - name: Read Java version from .sdkmanrc
        id: sdkman
        run: |
          JAVA_VERSION=$(grep "^java=" .sdkmanrc | cut -d'=' -f2 | cut -d'-' -f1)
          echo "version=$JAVA_VERSION" >> $GITHUB_OUTPUT

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

      - name: Configure Git
        run: |
          git config user.name "${{ github.actor }}"
          git config user.email "${{ github.actor }}@users.noreply.github.com"

      - name: Update Version Files
        run: |
          ./mvnw versions:set -DnewVersion=${{ github.event.inputs.new_version }} -DgenerateBackupPoms=false --batch-mode
          ./mvnw versions:commit --batch-mode

          sed -i '/either<\/artifactId>/,/<version>/ s/<version>[^<]*<\/version>/<version>${{ github.event.inputs.new_version }}<\/version>/' README.md

          git add pom.xml README.md
          git diff --staged --quiet || git commit -m "Bump version to ${{ github.event.inputs.new_version }}"
          git push origin main

      - name: Build and Deploy to Maven Central
        run: ./mvnw clean deploy -Prelease --batch-mode
        env:
          MAVEN_USERNAME: ${{ secrets.CENTRAL_TOKEN_USERNAME }}
          MAVEN_PASSWORD: ${{ secrets.CENTRAL_TOKEN_PASSWORD }}
          MAVEN_GPG_PASSPHRASE: ${{ secrets.GPG_PASSPHRASE }}

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: v${{ github.event.inputs.new_version }}
          name: ${{ github.event.inputs.release_name }}
          files: target/*.jar
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}