handle_validation_result.yml

name: Handle Validation Result

on:
  workflow_run:
    workflows: ["Commit Validation"]
    types: [completed]

permissions:
  contents: read
  issues: write
  pull-requests: write
  # needed because gh cli fetches unnecessary extra data
  repository-projects: read

jobs:
  handle-validation-result:
    runs-on: ubuntu-latest
    steps:
      - name: "Get PR number"
        uses: actions/github-script@v6
        with:
          script: |
            let prNumber = context.payload.workflow_run.pull_requests[0].number;
            let fs = require('fs');
            fs.writeFileSync(`${process.env.GITHUB_WORKSPACE}/pr_number.txt`, prNumber.toString());

      - name: Mark unstale if success
        if: ${{ github.event.workflow_run.conclusion == 'success' }}
        run: |
          export PR_NUMBER=$(cat pr_number.txt)
          echo "In repo $GH_REPO on PR $PR_NUMBER"

          if gh pr view -R"$GH_REPO" "$PR_NUMBER" --json labels | grep stale ; then
            echo "No longer stale"
            gh pr edit -R"$GH_REPO" "$PR_NUMBER" --remove-label stale
            gh pr comment -R"$GH_REPO" "$PR_NUMBER" --body 'The validity checks are now passing. Thank you.'
          else
            echo "Was already not stale"
          fi
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GH_REPO: ${{ github.event.repository.full_name }}

      - name: Make comment and mark stale if failed
        if: ${{ github.event.workflow_run.conclusion == 'failure' }}
        run: |
          export PR_NUMBER=$(cat pr_number.txt)
          echo "In repo $GH_REPO on PR $PR_NUMBER"

          echo "Mark as stale"
          gh pr edit -R"$GH_REPO" "$PR_NUMBER" --add-label stale
          gh pr comment -R"$GH_REPO" "$PR_NUMBER" --body 'The validity checks failed. Please look at the logs (click the red X) and correct the errors. Your PR will be closed automatically in 2 days if not fixed.'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GH_REPO: ${{ github.event.repository.full_name }}