[web] Add GEMINI.md for web engine customizations #177413
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This pull request introduces GEMINI.md, a helpful guide for building and testing the Flutter Web Engine with the felt tool. The document is well-structured and will be a valuable resource. I've added a couple of suggestions to enhance its clarity and completeness, such as removing a user-specific path to make it more general and adding an example of combined filters for running tests.
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autosubmit label was removed for flutter/flutter/177413, because The base commit of the PR is older than 7 days and can not be merged. Please merge the latest changes from the main into this branch and resubmit the PR. |
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autosubmit label was removed for flutter/flutter/177413, because - The status or check suite Linux linux_web_engine_tests has failed. Please fix the issues identified (or deflake) before re-applying this label. |
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autosubmit label was removed for flutter/flutter/177413, because - The status or check suite Linux gradle_java8_compile_test has failed. Please fix the issues identified (or deflake) before re-applying this label. |
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Adds a `GEMINI.md` for the Flutter Web engine to assist Gemini code assistant in building the web engine and running tests. ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [ ] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [ ] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. **Note**: The Flutter team is currently trialing the use of [Gemini Code Assist for GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code). Comments from the `gemini-code-assist` bot should not be taken as authoritative feedback from the Flutter team. If you find its comments useful you can update your code accordingly, but if you are unsure or disagree with the feedback, please feel free to wait for a Flutter team member's review for guidance on which automated comments should be addressed. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
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flutter/flutter@df72035...6f8abdd 2025-10-30 [email protected] Roll Skia from 5035cdc7de31 to 18457971c30f (1 revision) (flutter/flutter#177767) 2025-10-30 [email protected] Roll Skia from 018e2cdba2fe to 5035cdc7de31 (3 revisions) (flutter/flutter#177764) 2025-10-30 [email protected] Roll Dart SDK from a0480f399f8f to 4785d5971d64 (21 revisions) (flutter/flutter#177760) 2025-10-30 [email protected] Roll Skia from c803f12d2e26 to 018e2cdba2fe (1 revision) (flutter/flutter#177759) 2025-10-30 [email protected] Roll Skia from 51267d4a2cea to c803f12d2e26 (2 revisions) (flutter/flutter#177756) 2025-10-30 [email protected] Roll Fuchsia Linux SDK from 3EF6k6lqXPWDwrdyj... to ksXeDDo2yYBXJ4uEu... (flutter/flutter#177754) 2025-10-30 [email protected] impeller: allow setting image sampler uniforms by name (flutter/flutter#176749) 2025-10-30 [email protected] Roll Skia from 0a0c9f8c704f to 51267d4a2cea (21 revisions) (flutter/flutter#177752) 2025-10-30 [email protected] Copy symlinks when creating android cipd package, and update to package w/ symlinks (flutter/flutter#177638) 2025-10-30 [email protected] [web] Add GEMINI.md for web engine customizations (flutter/flutter#177413) 2025-10-30 [email protected] Added computeDryBaseline implementation in RenderAligningShiftedBox (flutter/flutter#171250) 2025-10-29 [email protected] Refactor OverlayPortal semantics (flutter/flutter#173005) 2025-10-29 [email protected] [web] Delete unused canvaskit utils (flutter/flutter#177684) 2025-10-29 [email protected] Fixed image links in //README.md (flutter/flutter#177750) 2025-10-29 [email protected] Disable LTO in CI builder configurations for Linux targets (flutter/flutter#177694) 2025-10-29 [email protected] [web] Move webparagraph tests to their right location (flutter/flutter#177739) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-packages Please CC [email protected],[email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Packages: https://github.com/flutter/flutter/issues/new/choose To report a problem with the AutoRoller itself, please file a bug: https://issues.skia.org/issues/new?component=1389291&template=1850622 Documentation for the AutoRoller is here: https://skia.googlesource.com/buildbot/+doc/main/autoroll/README.md
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Adds a `GEMINI.md` for the Flutter Web engine to assist Gemini code assistant in building the web engine and running tests. ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [x] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [x] I signed the [CLA]. - [ ] I listed at least one issue that this PR fixes in the description above. - [x] I updated/added relevant documentation (doc comments with `///`). - [ ] I added new tests to check the change I am making, or this PR is [test-exempt]. - [x] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [x] All existing and new tests are passing. If you need help, consider asking for advice on the #hackers-new channel on [Discord]. **Note**: The Flutter team is currently trialing the use of [Gemini Code Assist for GitHub](https://developers.google.com/gemini-code-assist/docs/review-github-code). Comments from the `gemini-code-assist` bot should not be taken as authoritative feedback from the Flutter team. If you find its comments useful you can update your code accordingly, but if you are unsure or disagree with the feedback, please feel free to wait for a Flutter team member's review for guidance on which automated comments should be addressed. <!-- Links --> [Contributor Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview [Tree Hygiene]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md [test-exempt]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests [Flutter Style Guide]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md [Features we expect every widget to implement]: https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement [CLA]: https://cla.developers.google.com/ [flutter/tests]: https://github.com/flutter/tests [breaking change policy]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes [Discord]: https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md [Data Driven Fixes]: https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
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Adds a
GEMINI.mdfor the Flutter Web engine to assist Gemini code assistant in building the web engine and running tests.Pre-launch Checklist
///).If you need help, consider asking for advice on the #hackers-new channel on Discord.
Note: The Flutter team is currently trialing the use of Gemini Code Assist for GitHub. Comments from the
gemini-code-assistbot should not be taken as authoritative feedback from the Flutter team. If you find its comments useful you can update your code accordingly, but if you are unsure or disagree with the feedback, please feel free to wait for a Flutter team member's review for guidance on which automated comments should be addressed.