# Copyright 2013 The Flutter Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

name: Material and Cupertino Code Freeze

on:
  pull_request_target:
    types: [opened, reopened, synchronize, ready_for_review, labeled, unlabeled]
    branches:
      - master
  merge_group:
    branches:
      - master

permissions: read-all

jobs:
  check_freeze:
    name: Check Code Freeze
    runs-on: ubuntu-latest
    if: ${{ github.repository == 'flutter/flutter' }}

    steps:
      - name: Check for changes in frozen folders
        if: github.event_name != 'merge_group'
        uses: dorny/paths-filter@v3
        id: filter
        with:
          token: ${{ github.token }}
          filters: |
            frozen:
              - 'packages/flutter/lib/src/material/**'
              - 'packages/flutter/lib/src/cupertino/**'
              - 'packages/flutter/test/material/**'
              - 'packages/flutter/test/cupertino/**'
              - 'examples/api/lib/material/**'
              - 'examples/api/lib/cupertino/**'
              - 'examples/api/test/material/**'
              - 'examples/api/test/cupertino/**'
              - 'packages/flutter/lib/fix_data/fix_cupertino.yaml'
              - 'packages/flutter/lib/fix_data/fix_material/**'
              - 'packages/flutter/test_fixes/material/**'
              - 'packages/flutter/test_fixes/cupertino/**'

      - name: Fail on frozen changes
        if: github.event_name != 'merge_group' && steps.filter.outputs.frozen == 'true' && !contains(github.event.pull_request.labels.*.name, 'override code freeze')
        run: |
          echo "Error: Code changes detected during the current code freeze."
          echo "If this is a critical fix that must land, please file an issue for team-design."
          echo "Info: https://github.com/flutter/flutter/issues/184093"
          exit 1