Hephaestus/.github/workflows/pull-request.yml at main · ls1intum/Hephaestus · GitHub

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name: "PR"

on:
  pull_request_target:
    types:
      - opened
      - edited
      - synchronize
      - reopened
      - ready_for_review

jobs:
  validate-title:
    name: "Validate title"
    runs-on: ubuntu-latest
    if: ${{ !github.event.pull_request.draft }}
    permissions:
      contents: read
      pull-requests: write
    steps:
      - name: "Checkout repository"
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

      - name: Setup pnpm + Node.js
        uses: ./.github/actions/setup-pnpm-node

      - name: "Install dependencies"
        run: pnpm install --frozen-lockfile

      - name: "Validate PR title with commitlint"
        id: commitlint
        env:
          PR_TITLE: ${{ github.event.pull_request.title }}
        run: |
          # Use commitlint to validate PR title (single source of truth)
          echo "$PR_TITLE" | pnpm exec commitlint 2>&1 | tee /tmp/commitlint-output.txt
          exit_code=${PIPESTATUS[1]}

          # Capture output for the comment
          {
            echo 'error_message<<EOF'
            cat /tmp/commitlint-output.txt
            echo 'EOF'
          } >> "$GITHUB_OUTPUT"

          exit "$exit_code"
        continue-on-error: true

      - name: "Comment on PR with validation error"
        uses: marocchino/sticky-pull-request-comment@773744901bac0e8cbb5a0dc842800d45e9b2b405 # v2
        if: steps.commitlint.outcome == 'failure'
        with:
          header: pr-title-lint-error
          message: |
            ## ❌ PR Title Validation Failed

            ```
            ${{ steps.commitlint.outputs.error_message }}
            ```

            > 📖 See [CONTRIBUTING.md](https://github.com/ls1intum/Hephaestus/blob/main/CONTRIBUTING.md) for commit message guidelines.

      - name: "Remove error comment on success"
        uses: marocchino/sticky-pull-request-comment@773744901bac0e8cbb5a0dc842800d45e9b2b405 # v2
        if: steps.commitlint.outcome == 'success'
        with:
          header: pr-title-lint-error
          delete: true

      - name: "Fail workflow if commitlint failed"
        if: steps.commitlint.outcome == 'failure'
        run: exit 1

  assign-author:
    name: "Assign author"
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    if: github.event.action == 'opened'
    steps:
      - uses: technote-space/assign-author@9558557c5c4816f38bd06176fbc324ba14bb3160 # v1

  labeler:
    name: "Apply labels"
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: write
    steps:
      - name: "Checkout repository"
        uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1

      - uses: actions/labeler@8558fd74291d67161a8a78ce36a881fa63b766a9 # v5
        with:
          configuration-path: .github/labeler.yml

      # v8 is the first release to run on Node 24, which is what executes the TypeScript below.
      - name: "Apply size and semantic labels"
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8
        with:
          script: |
            const { default: labelPullRequest } = await import(
              `${process.env.GITHUB_WORKSPACE}/.github/scripts/label-pr.ts`
            )
            await labelPullRequest({github, context})