auto-merge.yml

name: Auto Merge
on:
  workflow_run:
    workflows: [ Gather Pull Request Metadata ]
    types:
      - completed

permissions:
  contents: read

jobs:
  download-metadata:
    if: >
      github.event.workflow_run.event == 'pull_request' &&
      github.event.workflow_run.conclusion == 'success'
    runs-on: ubuntu-latest

    outputs:
      pr-metadata: ${{ steps.Artifact.outputs.pr-metadata-json }}

    steps:
      - id: Artifact
        name: Download Artifact
        uses: redhat-plumbers-in-action/download-artifact@v1
        with:
          name: pr-metadata

  auto-merge:
    needs: [ download-metadata ]
    runs-on: ubuntu-latest

    permissions:
      # required for ability to merge Pull Request
      contents: write
      # required for setting labels
      pull-requests: write

    steps:
      - id: pull-request-validator
        name: Pull Request Validator
        uses: redhat-plumbers-in-action/pull-request-validator@v2
        with:
          pr-metadata: ${{ needs.download-metadata.outputs.pr-metadata }}
          token: ${{ secrets.GITHUB_TOKEN }}

      - id: auto-merge
        name: Auto Merge
        uses: redhat-plumbers-in-action/auto-merge@v2
        with:
          pr-metadata: ${{ needs.download-metadata.outputs.pr-metadata }}
          token: ${{ secrets.GITHUB_TOKEN }}

      - if: ${{ !cancelled() }}
        name: Show results in PR comment
        uses: redhat-plumbers-in-action/issue-commentator@v1
        with:
          issue: ${{ fromJSON(needs.download-metadata.outputs.pr-metadata).number }}
          message: |
            ${{ steps.pull-request-validator.outputs.status && steps.pull-request-validator.outputs.status || '' }}
            ${{ steps.auto-merge.outputs.status && steps.auto-merge.outputs.status || '' }}
          token: ${{ secrets.GITHUB_TOKEN }}