Rebuild flutter tool skill#184975
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This pull request introduces a workflow and script for rebuilding the Flutter tool. Feedback includes correcting a directory path in the documentation, adding error handling to the shell script, and using a relative path to the local Flutter binary to ensure the correct version is executed.
reidbaker
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Apr 13, 2026
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Can you please add this file and your name in CODEOWNERS?
reidbaker
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Apr 13, 2026
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FWIW I think you want the script executable. |
bkonyi
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I'm still getting up to speed on skills, but I wonder if it's worth pointing out that this skill should also be executed when changes to packages/flutter_tools/lib/* have been made and we want to execute flutter, including from tests. Running tests that execute flutter can give incorrect results if we don't rebuild the snapshot after making changes to the tool, which is extremely confusing if you don't know that the test is using an old snapshot.
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See discussion here: #184975 (comment)
I think that'd also be great, but I think out of scope for what I'm trying to achieve with this skill. There are many use cases where you may want to rebuild the tool, but we'd likely need to come up with some kind of mechanism to determine if it's necessary first.
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Another example would be when running through Xcode it calls flutter assemble, which you can't use flutter-dev for since it's baked into the Xcode build process.
I can file an issue to iterate on this skill in the future
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This is a much more articluate version of what I attempted to ask in #184975 (comment) and the answer was no, for now and for how victoria has envisioned wanting this skill to work. We are operating on absolute authority from the owner for most things.
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flutter/flutter@2fa45e0...c1b14e9 2026-04-14 15619084+vashworth@users.noreply.github.com Rebuild flutter tool skill (flutter/flutter#184975) 2026-04-14 engine-flutter-autoroll@skia.org Roll Skia from 0851d988db03 to 4c382df6a25a (1 revision) (flutter/flutter#185025) 2026-04-14 engine-flutter-autoroll@skia.org Roll Dart SDK from 5504504b38c2 to ee5afcef0596 (1 revision) (flutter/flutter#185024) 2026-04-14 dacoharkes@google.com [ci] Split up integration.shard record_use_test.dart (flutter/flutter#185022) 2026-04-14 engine-flutter-autoroll@skia.org Roll Skia from d34c84df4c37 to 0851d988db03 (3 revisions) (flutter/flutter#185012) 2026-04-14 dacoharkes@google.com [record_use] Add recorded uses to link hooks (flutter/flutter#184869) 2026-04-14 engine-flutter-autoroll@skia.org Roll Skia from 0e98a9c635bb to d34c84df4c37 (5 revisions) (flutter/flutter#185009) 2026-04-14 engine-flutter-autoroll@skia.org Roll Dart SDK from ef28089d6533 to 5504504b38c2 (3 revisions) (flutter/flutter#185008) 2026-04-14 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from K_2AkZL3Drs6cGE1q... to rB8LAuZL_DwHMssTU... (flutter/flutter#185007) 2026-04-14 rmacnak@google.com [fuchsia] Replace ambient-replace-as-executable with VmexResource. (flutter/flutter#184967) 2026-04-13 chinmaygarde@google.com [Impeller] Commands that don't specify their own viewports get the viewport of the render pass. (flutter/flutter#177473) 2026-04-13 engine-flutter-autoroll@skia.org Roll Skia from bc1df263ff3f to 0e98a9c635bb (1 revision) (flutter/flutter#184995) 2026-04-13 737941+loic-sharma@users.noreply.github.com Update autosubmit guide with the emergency label (flutter/flutter#184993) 2026-04-13 69043738+aNOOBisTheGod@users.noreply.github.com [flutter_tools] Cache pubspec reads and share PackageGraph/PackageConfig across workspace packages during pub get post-processing (flutter/flutter#184528) 2026-04-13 15619084+vashworth@users.noreply.github.com Fix codesign verification test for SwiftPM Add to App (flutter/flutter#184980) 2026-04-13 87962825+kyungilcho@users.noreply.github.com Preprovision Android NDK for flavored builds and reuse matching unflavored NDKs (flutter/flutter#183555) 2026-04-13 15619084+vashworth@users.noreply.github.com Reland "Disable async mode with LLDB" (flutter/flutter#184970) 2026-04-13 engine-flutter-autoroll@skia.org Roll Skia from 55ddd6bb8be5 to bc1df263ff3f (6 revisions) (flutter/flutter#184968) 2026-04-13 matej.knopp@gmail.com Expose platform specific handles for multi-window API (flutter/flutter#184662) 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 boetger@google.com,stuartmorgan@google.com 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 skill that instructs an agent to rebuild the Flutter tool/CLI. This skill allows you to ask your agent to rebuild for you without you needing to remember the location. <details> <summary>Example 1</summary> ``` # Chat Conversation Note: _This is purely the output of the chat conversation and does not contain any raw data, codebase snippets, etc. used to generate the output._ ### User Input rebuild the flutter tool *User accepted the command `flutter help`* *Viewed [SKILL.md](file:///Users/vashworth/Development/flutter/.agents/skills/rebuilding-flutter-tool/SKILL.md) * *User accepted the command `./rebuild.sh`* ### Planner Response `./rebuild.sh` is running in the background. I will wait for it to complete. ### Planner Response **Flutter tool rebuilt successfully!** ``` </details> <details> <summary>Example 2</summary> ``` # Chat Conversation Note: _This is purely the output of the chat conversation and does not contain any raw data, codebase snippets, etc. used to generate the output._ ### User Input rebuild cli *User accepted the command `flutter help`* *Viewed [SKILL.md](file:///Users/vashworth/Development/flutter/.agents/skills/rebuilding-flutter-tool/SKILL.md) * *User accepted the command `./rebuild.sh`* ### Planner Response I have started rebuilding the Flutter tool by executing the `rebuild.sh` script. I will wait for the background task to complete and verify the output. ### Planner Response **Flutter tool rebuilt successfully!** ``` </details> ## Pre-launch Checklist - [x] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [x] I read the [AI contribution guidelines] and understand my responsibilities, or I am not using AI tools. - [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 `///`). - [x] 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]. If this change needs to override an active code freeze, provide a comment explaining why. The code freeze workflow can be overridden by code reviewers. See pinned issues for any active code freezes with guidance. **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 [AI contribution guidelines]: https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#ai-contribution-guidelines [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 skill that instructs an agent to rebuild the Flutter tool/CLI.
This skill allows you to ask your agent to rebuild for you without you needing to remember the location.
Example 1
Example 2
Pre-launch Checklist
///).If you need help, consider asking for advice on the #hackers-new channel on Discord.
If this change needs to override an active code freeze, provide a comment explaining why. The code freeze workflow can be overridden by code reviewers. See pinned issues for any active code freezes with guidance.
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.