patch-backend-lib-generic.yml

on:
  workflow_call:
    inputs:
      githubappId:
        required: true
        type: string
      branchRef:
        description: 'Patch branch (format: release-vX.Y.Z)'
        required: true
        type: string
    secrets:
      githubappPrivateKey:
        required: true

jobs:
  patch:
    runs-on: ubuntu-latest
    steps:
      - name: Validate branch name format
        run: |
          if [[ ! "${{ inputs.branchRef }}" =~ ^release-v[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "Invalid branch name format. Expected format: release-vX.Y.Z"
            exit 1
          fi

      - uses: actions/create-github-app-token@v1
        id: app-token
        name: Generate app token
        with:
          app-id: ${{ inputs.githubappId }}
          private-key: ${{ secrets.githubappPrivateKey }}

      - name: Checkout sources
        uses: actions/checkout@v4
        with:
          token: ${{ steps.app-token.outputs.token }}
          ref: ${{ inputs.branchRef }}
          fetch-depth: 0

      - name: Set up JDK 21
        uses: actions/setup-java@v1
        with:
          java-version: 21

      - name: Extract version and validate tag
        id: versions
        run: |
          PATCH_VERSION=$(echo "${{ inputs.branchRef }}" | sed 's/release-v\(.*\)/\1/')
          
          if git rev-parse "v${PATCH_VERSION}" >/dev/null 2>&1; then
            echo "Tag v${PATCH_VERSION} already exists"
            exit 1
          fi
          
          echo "PATCH_VERSION=${PATCH_VERSION}" >> $GITHUB_OUTPUT
          echo "Patch version will be: ${PATCH_VERSION}"

      - name: Configure Git
        run: |
          git config --global user.name "github-actions[bot]"
          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"

      - name: Set patch version
        run: |
          mvn versions:set -DnewVersion=${{ steps.versions.outputs.PATCH_VERSION }} -DgenerateBackupPoms=false
          git commit -am "Patched version ${{ steps.versions.outputs.PATCH_VERSION }}"

      - name: Create and push tag
        run: |
          git tag v${{ steps.versions.outputs.PATCH_VERSION }}
          git push origin v${{ steps.versions.outputs.PATCH_VERSION }}
          git push origin ${{ inputs.branchRef }}

      - name: Create GitHub Release
        env:
          GH_TOKEN: ${{ steps.app-token.outputs.token }}
        run: |
          gh release create v${{ steps.versions.outputs.PATCH_VERSION }} \
            --title "v${{ steps.versions.outputs.PATCH_VERSION }}" \
            --generate-notes \
            --notes "Patch release based on ${{ inputs.branchRef }}"