adding-copyright-headers

bởi flutter

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npx skills add https://github.com/flutter/devtools --skill adding-copyright-headers

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Adding Copyright Headers

Formats

Dart Files (`.dart`)

// Copyright 20?? The Flutter Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.

YAML Files (`.yaml`)

# Copyright 20?? The Flutter Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.

HTML Files (`.html`) and Markdown Files (`.md`)

<!--
Copyright 20?? The Flutter Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.
-->

Shell Scripts (`.sh`)

# Copyright 20?? The Flutter Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.

Instructions

New Files: When creating a new file, you MUST add the appropriate copyright header based on its file extension.
- Replace 20?? with the current year (e.g., 2026).
Placement:
- The copyright header should be at the very top of the file by default.
- Exception: If the file requires a shebang (e.g., #!/bin/bash in .sh files) or other necessary frontmatter, the copyright header must come after the frontmatter, separated by a blank line.
Exclusions: Copyright headers are not necessary in directories that begin with a dot (.), such as:
- .agents/
- .gemini/
- .github/
Existing Files: When editing an existing file, do NOT modify the year in the copyright header. Leave it as it is.
Subsequent Edits: Subsequent edits should not modify the year.

Examples (for 2026)

Shell Script with Shebang

#!/bin/bash

# Copyright 2026 The Flutter Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.

Dart File

// Copyright 2026 The Flutter Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file or at https://developers.google.com/open-source/licenses/bsd.