helper-image.yaml

name: Build Helper Image

on: [push]

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: "Checkout repository"
        id: checkout_repo
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          ref: ${{ github.event.pull_request.head.sha }}

      - name: "Lowercase repository name for docker build"
        id: lowercase-repository-name
        run: echo "REPO_NAME=$(echo ${{ github.repository }} | tr '[:upper:]' '[:lower:]')" >> $GITHUB_ENV

      - name: "Set tags for main/master"
        id: set_tags
        run: |
          echo "VERSION_TAG=$(./git-version-gen | grep -v UNKNOWN)" >> ${GITHUB_ENV}
          echo "SHA_TAG=$(git rev-parse HEAD)" >> ${GITHUB_ENV}
          echo "${GITHUB_ENV}:"
          cat ${GITHUB_ENV}
        shell: bash

      - name: "Docker metadata"
        id: meta
        uses: docker/metadata-action@v5
        with:
          images: |
            ghcr.io/${{ env.REPO_NAME }}-helper
          tags: |
            # For merge to master branch, tag example: 'master'
            type=ref,event=branch
            # For PR event, tag example: 'pr-3'
            type=ref,event=pr
            # For PR event or merge event, tag example: 1.0.1.12-5667
            type=raw,value=${{ env.VERSION_TAG }}
            # For PR event or merge, tag example: 566769e04d2436cf5f42ae4f46092c7dff6e668e
            type=raw,value=${{ env.SHA_TAG }}          
            # For push to semver tag, tag example: 1.0.2
            # This also sets 'latest'.
            type=semver,pattern={{version}}
            # For push to semver tag, tag example: 1.0
            type=semver,pattern={{major}}.{{minor}}

      - name: "Docker login"
        id: docker_login
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: "Build the final Docker image"
        id: docker_build
        uses: docker/build-push-action@v5
        with:
          context: helper_image
          push: true
          tags: ${{ steps.meta.outputs.tags }}

  create_release:
    needs: build
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    steps:
    - name: Checkout
      uses: actions/checkout@v4
      with:
        fetch-tags: true
        fetch-depth: 0
    - name: Repair tag
      run: git fetch -f origin ${{ github.ref }}:${{ github.ref }}
    - name: Verify that the tag is annotated
      run: if test x$(git for-each-ref ${{ github.ref }} | awk '{print $2}') = xtag; then /bin/true; else echo "\"${{ github.ref }}\" does not look like an annotated tag!"; /bin/false; fi
    - name: Release
      uses: softprops/action-gh-release@v1
      with:
        #prerelease: true
        generate_release_notes: true