mirror of
https://github.com/webmproject/libwebp.git
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79 lines
2.6 KiB
Markdown
79 lines
2.6 KiB
Markdown
# How to Contribute
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We'd love to accept your patches and contributions to this project. There are
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just a few small guidelines you need to follow.
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## Contributor License Agreement
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Contributions to this project must be accompanied by a Contributor License
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Agreement. You (or your employer) retain the copyright to your contribution;
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this simply gives us permission to use and redistribute your contributions as
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part of the project. Head over to <https://cla.developers.google.com/> to see
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your current agreements on file or to sign a new one.
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You generally only need to submit a CLA once, so if you've already submitted one
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(even if it was for a different project), you probably don't need to do it
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again.
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## Code reviews
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All submissions, including submissions by project members, require review. We
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use a [Gerrit](https://www.gerritcodereview.com) instance hosted at
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https://chromium-review.googlesource.com for this purpose.
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## Sending patches
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The basic git workflow for modifying libwebp code and sending for review is:
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1. Get the latest version of the repository locally:
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```sh
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git clone https://chromium.googlesource.com/webm/libwebp && cd libwebp
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```
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2. Copy the commit-msg script into ./git/hooks (this will add an ID to all of
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your commits):
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```sh
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curl -Lo .git/hooks/commit-msg https://chromium-review.googlesource.com/tools/hooks/commit-msg && chmod u+x .git/hooks/commit-msg
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```
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3. Modify the local copy of libwebp. Make sure the code
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[builds successfully](https://chromium.googlesource.com/webm/libwebp/+/HEAD/doc/building.md#cmake).
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4. Choose a short and representative commit message:
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```sh
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git commit -a -m "Set commit message here"
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```
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5. Send the patch for review:
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```sh
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git push https://chromium-review.googlesource.com/webm/libwebp HEAD:refs/for/main
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```
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Go to https://chromium-review.googlesource.com to view your patch and
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request a review from the maintainers.
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See the
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[WebM Project page](https://www.webmproject.org/code/contribute/submitting-patches/)
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for additional details.
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## Code Style
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The C code style is based on the
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[Google C++ Style Guide](https://google.github.io/styleguide/cppguide.html) and
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`clang-format --style=Google`, though this project doesn't use the tool to
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enforce the formatting.
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CMake files are formatted with
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[cmake-format](https://cmake-format.readthedocs.io/en/latest/). `cmake-format
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-i` can be used to format individual files, it will use the settings from
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`.cmake-format.py`.
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## Community Guidelines
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This project follows
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[Google's Open Source Community Guidelines](https://opensource.google.com/conduct/).
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