# 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:

# Safe because this workflow does not check out code or run arbitrary scripts.

# It only runs a metadata-based path filter to enforce freeze restrictions.

pull_request_target: # zizmor: ignore[dangerous-triggers]

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@7b450fff21473bca461d4b92ce414b9d0420d706 # v4.0.2

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