sailing-analytics/.github/workflows/merge-main-into-docker-25.yml

name: Merge main branch into docker-25 after successful build
on:
  workflow_run:
    workflows: [release]
    types: [completed]
    branches: [main]
  workflow_dispatch: {}
jobs:
  merge-main-into-docker-25:
    permissions:
      contents: write
    if: ${{ github.event_name == 'workflow_dispatch' || github.event.workflow_run.conclusion == 'success' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          ref: docker-25
          fetch-depth: 0  # fetch the whole thing to make sure the histories merge
          token: ${{ secrets.REPO_TOKEN_FOR_MERGE_AND_PUSH }}
      - name: Determine merge commit
        id: merge-source
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            echo "sha=$(git rev-parse origin/main)" >> "$GITHUB_OUTPUT"
            echo "label=main (latest)" >> "$GITHUB_OUTPUT"
          else
            echo "sha=${{ github.event.workflow_run.head_sha }}" >> "$GITHUB_OUTPUT"
            echo "label=main (${{ github.event.workflow_run.head_sha }})" >> "$GITHUB_OUTPUT"
          fi
      - name: Merge main into docker-25
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          echo "Merging ${{ steps.merge-source.outputs.sha }} into docker-25..."
          git merge ${{ steps.merge-source.outputs.sha }} \
            -m "Auto-merging ${{ steps.merge-source.outputs.label }} into docker-25 after successful release build"
          git push origin docker-25