check_pr_scope.yml

name: Check PR Scope

on:
  pull_request:
    types: [opened, synchronize, reopened, edited]

jobs:
  check_scope:
    runs-on: ubuntu-latest
    outputs:
      outcome: ${{ steps.check_scope_step.outcome }}
      pr_scopes: ${{ steps.check_scope_step.outputs.pr_scopes }}
      files: ${{ steps.changed_files.outputs.files }}
      required_scopes: ${{ steps.check_scope_step.outputs.required_scopes }}
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0 # Fetch all history for all branches and tags

      - name: Get PR title
        id: pr_title
        run: |
          title=$(jq -r .pull_request.title "$GITHUB_EVENT_PATH")
          echo "$title"
          echo "title=$title" >> $GITHUB_OUTPUT

      - name: Debug PR title output
        run: |
          echo "PR title from output: ${{ steps.pr_title.outputs.title }}"

      - name: Get changed files
        id: changed_files
        env:
          BASE_REF: ${{ github.base_ref }}
          HEAD_REF: ${{ github.head_ref }}
        run: |
          files=$(git diff --name-only origin/"$BASE_REF"...origin/"$HEAD_REF")
          {
            echo "files<<EOF"
            echo "$files"
            echo "EOF"
          } >> "$GITHUB_OUTPUT"

      - name: Debug before Check PR scope
        run: |
          echo "PR title just before check: ${{ steps.pr_title.outputs.title }}"
          echo "Changed files: ${{ steps.changed_files.outputs.files }}"

      - name: Check PR scope
        id: check_scope_step # Add id to this step
        run: |
          chmod +x scripts/check_pr_scope.sh
          ./scripts/check_pr_scope.sh "${{ steps.pr_title.outputs.title }}" "${{ steps.changed_files.outputs.files }}"

  comment_on_pr:
    if: failure() && needs.check_scope.outputs.outcome == 'failure'
    needs: check_scope
    runs-on: ubuntu-latest
    permissions:
      pull-requests: write
    steps:
      - name: Set comment body
        id: set_comment_body
        run: |
          {
            echo 'comment_body<<EOF'
            echo "PRのスコープが正しくありません。\n現在のスコープ: ${{ needs.check_scope.outputs.pr_scopes }}\n検知したスコープ: ${{ needs.check_scope.outputs.required_scopes }}"
            echo 'EOF'
          } >> $GITHUB_OUTPUT

      - name: Comment on PR
        uses: actions/github-script@v7
        with:
          github-token: ${{secrets.GITHUB_TOKEN}}
          script: |
            const body = `${{ steps.set_comment_body.outputs.comment_body }}`;
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: body
            });