check-lint-auto-approve.yaml

name: Check for differences from the previous lint rule

on:
  pull_request:
    branches:
      - "main"

jobs:
  auto-approve:
    if: contains(github.head_ref, ${{ vars.AUTO_UPDATE_BRANCH_NAME }})
    runs-on: ubuntu-22.04
    timeout-minutes: 5
    permissions:
      contents: write
      pull-requests: write
    env:
      DIFF_FILE: diff.txt
      PROGRAM_DIR: tools/check_lint_rules_identity
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: branch

      - name: Set up dart
        uses: dart-lang/setup-dart@v1
        with:
          sdk: "3.1.0" # See: tools/check_lint_rules_identity/pubspec.yaml

      - name: Install dependencies
        run: dart pub get
        shell: bash
        working-directory: ${{ env.PROGRAM_DIR }}

      - name: Create diff.txt
        run: git diff --name-only origin/main > ${{ env.DIFF_FILE }}

      - name: Run check_lint_rules_identity
        run: dart run ${{ env.PROGRAM_DIR }}/bin/check_lint_rules_identity.dart ${{ env.DIFF_FILE }} lib
        shell: bash
        id: identity
        continue-on-error: true

      - name: Auto approve
        uses: hmarr/auto-approve-action@v3
        if: steps.identity.outcome == 'success'
        with:
          review-message: Approved. Because it is the same lint rule as the previous version.