Fix silent flutter_tools hang during git background fetches by bkonyi · Pull Request #4 · bkonyi/flutter

bkonyi · 2026-04-17T20:00:21Z

Fixes an issue where flutter_tools would silently hang when git background operations block on SSH password prompts. This is done by enforcing BatchMode=yes during fetch operations.

PR created automatically by Jules for task 8939177479079620407 started by @bkonyi

…phrase When using ssh-agent or ssh identities without caching, background git operations like `git fetch --tags` would silently hang forever when prompting for user input (such as an SSH passphrase). This adds `-c core.sshCommand=ssh -o BatchMode=yes` to specific background tag fetching commands to force SSH to fail fast instead of hanging. Additionally, `GIT_TERMINAL_PROMPT=0` was added to all background git environments to suppress other generic terminal prompts. Fixes flutter#184309 Co-authored-by: bkonyi <[email protected]>

google-labs-jules · 2026-04-17T20:00:23Z

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@isolated

This patch: 1. Updates the `-mios-simulator-version-min` ldflag to `15.0` (this fixes the crash during test discovery). 2. refactors swiftc.py a bit, moves the target triplet logic from darwin/BUILD.gn to swiftc.py so you can override the ios version in a test target (but it's not absolutely necessary for this change since it's the linker flag that makes the difference). 3. Migrates a few xctest tests to swift testing tests. The names of the tests are kept as-is so the diff is easier to read. ### The Crash ``` (lldb) bt * thread flutter#9, name = '[Swift Testing] test discovery - loading test #0 (Task 3)', queue = 'com.apple.root.user-initiated-qos.cooperative', stop reason = EXC_BAD_ACCESS (code=1, address=0x0) * frame #0: 0x0000000000000000 frame #1: 0x000000010ad0fb80 libios_test_flutter.dylib`closure #1() in variable initialization expression of static AccessibilityFeaturesTests.$s22ios_test_flutter_swift26AccessibilityFeaturesTestsV43accessibilityFeatureFlagRawValuesAreCorrect4TestfMp_24accessorc8120add5c86a9e3fMu_ at @__swiftmacro_22ios_test_flutter_swift26AccessibilityFeaturesTestsV43accessibilityFeatureFlagRawValuesAreCorrect4TestfMp_.swift:0 frame #2: 0x000000010224a39c Testing`partial apply for closure #1 in __checkClosureCall(performing:throws:mismatchExplanation:expression:comments:isRequired:sourceLocation:) frame #3: 0x000000010224a39c Testing`partial apply for closure #1 in __checkClosureCall(performing:throws:mismatchExplanation:expression:comments:isRequired:sourceLocation:) frame #4: 0x00000001022d8de8 Testing`(1) await resume partial function for generic specialization <(Testing.Test, Testing.Runner.Plan.Action)> of reabstraction thunk helper <τ_0_0 where τ_0_0: Swift.Sendable> from @escaping @isolated(any) @callee_guaranteed @async () -> (@out τ_0_0) to @escaping @callee_guaranteed @async () -> (@out τ_0_0, @error @owned Swift.Error) frame #5: 0x000000010224ae24 Testing`closure #1 in __checkClosureCall(throws:performing:expression:comments:isRequired:sourceLocation:) ``` Initially I thought swift testing doesn't support test discovery in linked dylibs but it's apparently not the case. And according to gemini it's not anything else in a binary but ``` Load command 9 cmd LC_BUILD_VERSION platform 7 - minos 14.0 + minos 15.6 sdk 26.4 ``` As it tried to use `15.6` in `swift_flags` and put `14.0` in `ldflags` and hit the same crash. This is what gemini has to say: > This is the definitive end of the road! 🔬 > > I have mathematically eliminated every other variable in computing existence. Between a binary that crashes and a binary that runs, literally NOTHING changed except that single number. Also it thinks it's because of this in `dyld`: > Look at the code in dyldMain.cpp at Line 430: > > cpp > // dyldMain.cpp Line 430 > // TODO: Remove once drop support for simulators older than iOS 17, tvOS 15, and watchOS 8 > mach_o::PlatformAndVersions pvs = dyldSimHdr->platformAndVersions(); > mach_o::Policy policy(mach_o::Architecture(), pvs, 0); > // [!!] THE SMOKING GUN [!!] > // Old simulators add the main executable to all_image_info in the simulator process, not in the host > if ( policy.enforceImageListRemoveMainExecutable() ) { > STACK_ALLOC_ARRAY(const mach_header*, mhs, 1); > mhs.push_back(state.config.process.mainExecutableMF); > std::span<const mach_header*> mhSpan(&mhs[0], 1); > > // LITERALLY REMOVES THE IMAGE FROM THE TRACKING TABLE!! > state.externallyViewable->removeImages(state.persistentAllocator, ephemeralAllocator, mhSpan); > } > Why this triggers your exact crash: > The Condition: policy.enforceImageListRemoveMainExecutable() explicitly returns true for all binaries linked below a specific epoch (iOS 15/16). > The Destructive Action: Because dyld thinks it needs to work around an ancient Simulator bug, it explicitly calls removeImages, ripping your binary's tracking data directly out of the global tracking table (all_image_info). > The Crash: Modern Swift Testing and the Swift Runtime rely on scanning all_image_info to discover where the @test sections are in memory! > The Final Blow: Because dyld just destructively hid the image from the tracking table, the Swift Runtime couldn't look it up, failed to resolve the internal metadata pointers, and instantly crashed in swift_getTypeByMangledName. > By simply lying and writing minos 15.0 into the header, you caused policy.enforceImageListRemoveMainExecutable() to return false, totally disabling this destructive legacy workaround and leaving your image intact for Swift to find! 🔬🏆🏁 ## Pre-launch Checklist - [ ] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [ ] I read the [AI contribution guidelines] and understand my responsibilities, or I am not using AI tools. - [ ] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [ ] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [ ] I signed the [CLA]. - [ ] I listed at least one issue that this PR fixes in the description above. - [ ] 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]. - [ ] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [ ] 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.  [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

…rent (e.g. Table) (flutter#185793) ## Issue Fixes flutter#174133 (and the duplicate flutter#180337). Placing a widget that hosts an `OverlayPortal` — most visibly `Slider`, but anything that calls `OverlayPortalController.show()` before its `OverlayPortal` is mounted — inside a `Table`/`TableRow` crashes during mount with: ``` 'package:flutter/src/rendering/object.dart': Failed assertion: line 2138 pos 12: 'child.owner == owner': is not true. #2 RenderObject.redepthChild #3 _RenderDeferredLayoutBox.redepthChildren overlay.dart:2576 #4 RenderObject.redepthChild #5 RenderObject.adoptChild #6 _RenderTheater._addDeferredChild overlay.dart:1312 flutter#7 _OverlayEntryLocation._addChild overlay.dart:2185 flutter#8 _OverlayPortalElement.insertRenderObjectChild overlay.dart:2447 ... flutter#24 _TableElement.mount.<anonymous closure>... table.dart:303 ``` This is a regression introduced between Flutter 3.32 and 3.35. ## Root cause `Table` defers calling `adoptChild` on its `RenderObject` children until *every* row has been mounted (`_TableElement.insertRenderObjectChild` is a no-op while `_doingMountOrUpdate`; the children are wired in later by `_updateRenderObjectChildren`). Meanwhile `_OverlayPortalElement.mount` runs `super.mount` (which "attaches" the layout surrogate to its parent — but Table swallows it) and then immediately mounts the overlay child, which causes the deferred-layout box to be adopted by the `_RenderTheater`. The theater is attached, so the deferred box receives an owner — *while the layout surrogate has none yet*. When the theater calls `redepthChild(deferredBox)`, the deferred box's `redepthChildren` unconditionally calls `_layoutSurrogate.redepthChild(this)`, which trips the `child.owner == owner` assertion across that owner boundary. ## Fix `_RenderDeferredLayoutBox.redepthChildren` now skips the cross-redepth when the surrogate is not yet attached, mirroring the existing guard in `_RenderLayoutSurrogateProxyBox.redepthChildren`: ```dart if (_layoutSurrogate.attached) { _layoutSurrogate.redepthChild(this); } ``` The depth invariant is restored when the surrogate is finally adopted by its parent: `_RenderLayoutSurrogateProxyBox.redepthChildren` already calls `redepthChild(_deferredLayoutChild)` once that child becomes attached. ## Tests Adds a regression test in `test/widgets/table_test.dart` placing an `OverlayPortal` whose controller is `.show()`'d before mount (mirroring `Slider`) inside a `TableRow`, asserting that no exception is thrown and the overlay child is present. Without this fix the new test reproduces the assertion. With this fix `flutter test test/widgets/table_test.dart`, `test/widgets/overlay_portal_test.dart`, `test/widgets/overlay_test.dart`, `test/widgets/raw_tooltip_test.dart`, `test/widgets/overlay_layout_builder_test.dart`, and `test/material/slider_test.dart` all pass. ## 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]. - [x] I listed at least one issue that this PR fixes in the description above. - [x] I added new tests to check the change I am making. - [x] All existing and new tests are passing. [Contributor Guide]: https://github.com/flutter/flutter/wiki/Tree-hygiene#overview [Tree Hygiene]: https://github.com/flutter/flutter/wiki/Tree-hygiene [Flutter Style Guide]: https://github.com/flutter/flutter/wiki/Style-guide-for-Flutter-repo --------- Co-authored-by: Victor Sanni <[email protected]>

Fixes flutter#184725 This PR makes the tool exit when building with XCode and we didn't parse any build setting. I understand that there are no cases where this map can be empty, as it includes the app bundle ID, which is required when building. If we don't exit, it can show unrelated error messages to the users which could be confusing and hard to debug. For instance, from the linked issue, one could end up getting: `No valid code signing certificates were found` simply because the development team build setting was not available, despite having valid certificates installed. Sample output: ``` [ +63 ms] executing: [/Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj/] /usr/bin/arch -arm64e xcrun xcodebuild -project /Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj -scheme Runner -configuration Release -destination generic/platform=iOS -showBuildSettings BUILD_DIR=/Users/admin/builds/AEFj1IwjB/0/repo/build/ios [ ] executing: [/Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj/] /usr/bin/arch -arm64e xcrun xcodebuild -project /Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj -scheme Runner -configuration Release -destination generic/platform=iOS -showBuildSettings BUILD_DIR=/Users/admin/builds/AEFj1IwjB/0/repo/build/ios [ +765 ms] Command line invocation: /Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -project /Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj -scheme Runner -configuration Release -destination generic/platform=iOS -showBuildSettings BUILD_DIR=/Users/admin/builds/AEFj1IwjB/0/repo/build/ios Build settings from command line: BUILD_DIR = /Users/admin/builds/AEFj1IwjB/0/repo/build/ios 2026-04-06 17:36:53.692 xcodebuild[9020:45597] Writing error result bundle to /var/folders/4p/084k9rr96ld_w60n8rdr0wtm0000gn/T/ResultBundle_2026-06-04_17-36-0053.xcresult xcodebuild: error: Could not configure request to show build settings: Unable to find a destination matching the provided destination specifier: { generic:1, platform:iOS } Ineligible destinations for the "Runner" scheme: { platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device, error:iOS 26.2 is not installed. Please download and install the platform from Xcode > Settings > Components. } [ ] Unexpected failure to get Xcode build settings: ProcessException: Process exited abnormally with exit code 64: Command line invocation: /Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -project /Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj -scheme Runner -configuration Release -destination generic/platform=iOS -showBuildSettings BUILD_DIR=/Users/admin/builds/AEFj1IwjB/0/repo/build/ios Build settings from command line: BUILD_DIR = /Users/admin/builds/AEFj1IwjB/0/repo/build/ios 2026-04-06 17:36:53.692 xcodebuild[9020:45597] Writing error result bundle to /var/folders/4p/084k9rr96ld_w60n8rdr0wtm0000gn/T/ResultBundle_2026-06-04_17-36-0053.xcresult xcodebuild: error: Could not configure request to show build settings: Unable to find a destination matching the provided destination specifier: { generic:1, platform:iOS } Ineligible destinations for the "Runner" scheme: { platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device, error:iOS 26.2 is not installed. Please download and install the platform from Xcode > Settings > Components. } Command: /usr/bin/arch -arm64e xcrun xcodebuild -project /Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj -scheme Runner -configuration Release -destination generic/platform=iOS -showBuildSettings BUILD_DIR=/Users/admin/builds/AEFj1IwjB/0/repo/build/ios. [ +2 ms] Archiving example.com.myapp... [ +25 ms] Migrating AppFrameworkInfo.plist contents [ ] Upgrading AppFrameworkInfo.plist [ ] Upgrading Podfile [ +9 ms] The Swift Package Manager feature is off. Skipping the migration that adds Swift Package Manager integration... [ +6 ms] executing: xattr -r -d com.apple.FinderInfo /Users/admin/builds/AEFj1IwjB/0/repo [+1948 ms] Failed to remove xattr com.apple.FinderInfo from /Users/admin/builds/AEFj1IwjB/0/repo [ +1 ms] executing: [/Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj/] /usr/bin/arch -arm64e xcrun xcodebuild -project /Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj -scheme Runner -configuration Release -destination generic/platform=iOS -showBuildSettings BUILD_DIR=/Users/admin/builds/AEFj1IwjB/0/repo/build/ios [ ] executing: [/Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj/] /usr/bin/arch -arm64e xcrun xcodebuild -project /Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj -scheme Runner -configuration Release -destination generic/platform=iOS -showBuildSettings BUILD_DIR=/Users/admin/builds/AEFj1IwjB/0/repo/build/ios [ +920 ms] Command line invocation: /Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -project /Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj -scheme Runner -configuration Release -destination generic/platform=iOS -showBuildSettings BUILD_DIR=/Users/admin/builds/AEFj1IwjB/0/repo/build/ios Build settings from command line: BUILD_DIR = /Users/admin/builds/AEFj1IwjB/0/repo/build/ios 2026-04-06 17:36:56.608 xcodebuild[9023:45646] Writing error result bundle to /var/folders/4p/084k9rr96ld_w60n8rdr0wtm0000gn/T/ResultBundle_2026-06-04_17-36-0056.xcresult xcodebuild: error: Could not configure request to show build settings: Unable to find a destination matching the provided destination specifier: { generic:1, platform:iOS } Ineligible destinations for the "Runner" scheme: { platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device, error:iOS 26.2 is not installed. Please download and install the platform from Xcode > Settings > Components. } [ ] Unexpected failure to get Xcode build settings: ProcessException: Process exited abnormally with exit code 64: Command line invocation: /Applications/Xcode-26.3.0.app/Contents/Developer/usr/bin/xcodebuild -project /Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj -scheme Runner -configuration Release -destination generic/platform=iOS -showBuildSettings BUILD_DIR=/Users/admin/builds/AEFj1IwjB/0/repo/build/ios Build settings from command line: BUILD_DIR = /Users/admin/builds/AEFj1IwjB/0/repo/build/ios 2026-04-06 17:36:56.608 xcodebuild[9023:45646] Writing error result bundle to /var/folders/4p/084k9rr96ld_w60n8rdr0wtm0000gn/T/ResultBundle_2026-06-04_17-36-0056.xcresult xcodebuild: error: Could not configure request to show build settings: Unable to find a destination matching the provided destination specifier: { generic:1, platform:iOS } Ineligible destinations for the "Runner" scheme: { platform:iOS, id:dvtdevice-DVTiPhonePlaceholder-iphoneos:placeholder, name:Any iOS Device, error:iOS 26.2 is not installed. Please download and install the platform from Xcode > Settings > Components. } Command: /usr/bin/arch -arm64e xcrun xcodebuild -project /Users/admin/builds/AEFj1IwjB/0/repo/ios/Runner.xcodeproj -scheme Runner -configuration Release -destination generic/platform=iOS -showBuildSettings BUILD_DIR=/Users/admin/builds/AEFj1IwjB/0/repo/build/ios. [ +66 ms] executing: which security [ +4 ms] executing: which openssl [ +22 ms] executing: security find-identity -p codesigning -v [ +57 ms] 1) <ID> "Apple Distribution: ACME. (<ID>)" 1 valid identities found [ +1 ms] ════════════════════════════════════════════════════════════════════════════════ No valid code signing certificates were found You can connect to your Apple Developer account by signing in with your Apple ID in Xcode and create an iOS Development Certificate as well as a Provisioning Profile for your project by: 1- Open the Flutter project's Xcode target with open ios/Runner.xcworkspace 2- Select the 'Runner' project in the navigator then the 'Runner' target in the project settings 3- Make sure a 'Development Team' is selected under Signing & Capabilities > Team. You may need to: - Log in with your Apple ID in Xcode first - Ensure you have a valid unique Bundle ID - Register your device with your Apple Developer Account - Let Xcode automatically provision a profile for your app 4- Build or run your project again 5- Trust your newly created Development Certificate on your iOS device via Settings > General > Device Management > [your new certificate] > Trust For more information, please visit: https://developer.apple.com/library/content/documentation/IDEs/Conceptual/ AppDistributionGuide/MaintainingCertificates/MaintainingCertificates.html Or run on an iOS simulator without code signing ════════════════════════════════════════════════════════════════════════════════ [ +1 ms] "flutter ipa" took 7,479ms. [ +2 ms] executing: sw_vers -productName [ +8 ms] Exit code 0 from: sw_vers -productName [ ] macOS [ ] executing: sw_vers -productVersion [ +6 ms] Exit code 0 from: sw_vers -productVersion [ ] 26.0 [ ] executing: sw_vers -buildVersion [ +6 ms] Exit code 0 from: sw_vers -buildVersion [ ] 25A354 [ ] executing: uname -m [ +10 ms] Exit code 0 from: uname -m [ ] arm64 [ +20 ms] No development certificates available to code sign app for device deployment [ ] #0 throwToolExit (package:flutter_tools/src/base/common.dart:34:3) #1 XcodeCodeSigningSettings._getCodeSigningBuildSettings (package:flutter_tools/src/ios/code_signing.dart:340:9) <asynchronous suspension> #2 buildXcodeProject (package:flutter_tools/src/ios/mac.dart:322:26) <asynchronous suspension> #3 _BuildIOSSubCommand.runCommand (package:flutter_tools/src/commands/build_ios.dart:986:37) <asynchronous suspension> #4 BuildIOSArchiveCommand.runCommand (package:flutter_tools/src/commands/build_ios.dart:477:50) <asynchronous suspension> #5 FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:1590:27) <asynchronous suspension> #6 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:154:19) <asynchronous suspension> flutter#7 CommandRunner.runCommand (package:args/command_runner.dart:212:13) <asynchronous suspension> flutter#8 FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:496:9) <asynchronous suspension> flutter#9 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:154:19) <asynchronous suspension> flutter#10 FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:431:5) <asynchronous suspension> flutter#11 FlutterCommandRunner.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:307:33) <asynchronous suspension> flutter#12 run.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:104:11) <asynchronous suspension> flutter#13 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:154:19) <asynchronous suspension> flutter#14 main (package:flutter_tools/executable.dart:103:3) <asynchronous suspension> [ ] Running 2 shutdown hooks [ ] Shutdown hooks complete [ +56 ms] exiting with code 1 ``` ## 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]. - [x] 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]. **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.  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…87721) https://skia.googlesource.com/skia.git/+log/43f135735152..aeed11c35004 2026-06-09 [email protected] Roll SwiftShader from d26a3e6606c0 to 5b0479bd2d15 (1 revision) 2026-06-09 [email protected] Roll jsfiddle-base from 9e1524dc815b to d568314f3014 2026-06-09 [email protected] Roll debugger-app-base from 8e5327247e09 to d2178d1c149d 2026-06-09 [email protected] Roll vulkan-deps from 537ea5cb1a35 to 2f96412cd516 (9 revisions) 2026-06-08 [email protected] Created an RAII Wrapper for SkCanvas->fScratchGlyphRunBuilder 2026-06-08 [email protected] [ganesh] Fix AsyncReadPixelsContextShutdown expectation on protected contexts 2026-06-08 [email protected] Avoid improper mask formats for SDFT runs 2026-06-08 [email protected] Reland #4 "MiraclePtr: Add raw_ptr definitions" 2026-06-08 [email protected] Reland "Add public API to query a serialized key for external format usage" 2026-06-08 [email protected] Add GM to test new Graphite rrect clip support 2026-06-08 [email protected] [ganesh] Track async task execution for callbacks If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/skia-flutter-autoroll Please CC [email protected],[email protected] on the revert to ensure that a human is aware of the problem. To file a bug in Skia: https://bugs.chromium.org/p/skia/issues/entry To file a bug in Flutter: 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

@reidbaker

… on public DSL (flutter#191606) This is PR 4 of 11 in the AGP 9.1.0 / public `gradle-api` / newdsl migration stack. There are no breaking changes expected in this pr. Only internal logic is impacted. I will be honest I also found the tests hard to review. I had the agent pull out shared mocking logic but I am not sure that actually made review easier. Depends on flutter#191218 (PR 3). - @reidbaker --- Standard review context for this pr stack This is PR is part of an 11 pr stack to migrate the "newdsl" `gradle-api` specifically in agp 9.1.0. All of the code was LLM authored. A mix of manual prompting, automatic prompting, several models and adversarial review. The combined sessions are enough that I cannot include relevant prompts like I have been doing on other prs. If you want to review the pr stack you can find it here. These prs will be abandoned/closed as prs land into flutter/flutter. 1. reidbaker-agent#1 (branch: agp-api-doc) 2. reidbaker-agent#2 (branch: agp-internal-utils) 3. reidbaker-agent#3 (branch: agp-buildmode-deps) 4. reidbaker-agent#4 (branch: agp-plugin-buildtypes) 5. reidbaker-agent#5 (branch: agp-ndk-fallback) 6. reidbaker-agent#6 (branch: agp-assets-onvariants) 7. reidbaker-agent#7 (branch: agp-apk-copy-versioncode) 8. reidbaker-agent#8 (branch: agp-add-to-app) 9. reidbaker-agent#9 (branch: agp-aar-script) 10. reidbaker-agent#10 (branch: agp-newdsl-flip) 11. reidbaker-agent#11 (branch: agp-gradle-api) This work is urgent in the sense that we are worried that android will publish agp 10 with no opt out but not so urgent that we are willing to break flutter users because we didn't review or understand the code because we were in a rush. Breaking changes are expected as part of this work. There are patterns the android team explicitly does not want apps to use and apis that have no equivalent. As part of the effort to ensure this work does not slip into ai slop, prs from this stack will be reviewed by me (@reidbaker) before asking for review. Then we will have 2 android expert reviewers also review every pr. --- Agent authored description. This is PR 4 of 11 in the AGP 9.1.0 / public `gradle-api` migration stack (flutter#180137, flutter#166550). ### Key Changes - **Public DSL `initWith` Copy**: Replaces the legacy `getLegacyAndroidExtension` build-type copy in `PluginHandler` with `initWith` on the public DSL (`AgpCommonExtensionWrapper.buildTypes`). Missing build types on the plugin project are created with `initWith(appBuildType)`, and `isDebuggable` is copied when both sides are `ApplicationBuildType`. - **Zero AGP Internals in Production Sources**: Removes the last remaining `com.android.build.gradle.internal` imports from production code (`src/main`). - **Internal AGP Import Guard**: Adds `InternalAgpApiImportTest` to continuously enforce that production sources do not introduce `com.android.build.gradle.internal.*` imports. - **Decomposed & Robust Unit Tests**: Replaces legacy mock-only tests in `PluginHandlerTest` with tests that execute `configurePlugins` and verify `initWith` copying for both library and application plugin projects, mapping custom debuggable build types to debug engine artifacts, and verifying that pre-existing plugin build types are skipped. - **Migration Documentation Update**: Adds details for the P3 pre-spike and `finalizeDsl` fallback in `Migrating-Flutter-Gradle-Plugin-to-AGP-public-API.md`. ## 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]. - [x] 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.

…d node (flutter#195842) Fixes flutter#194420 When a node is detached from its parent, `EngineSemanticsOwner._finalizeTree` walks the detached subtree with `_visitDepthFirstInTraversalOrderCanSkipSubtree` to remove every descendant that was not reparented elsewhere. The callback returns false for a reparented node so that its subtree is skipped (it moved along with the node). The visitor, however, recursed into its children with `_visitDepthFirstInTraversalOrder`, whose contract is "stop the whole traversal when the callback returns false". So for any node two or more levels below the detachment root, a reparented child ended the walk of its parent's child list: later siblings that were *not* reparented were never visited, never disposed, and stayed in `_semanticsTree`. In debug mode the post-update consistency check then throws `Bad state: Semantics node map was inconsistent after update` on that update and on every update after it; in release mode the orphaned nodes (with their DOM elements and roles) leak and stay registered in the map under their old ids. This is what happens when a `GlobalKey`'d widget is moved to a new parent while its old ancestors and an old later sibling are removed in the same frame: `0 -> 1 -> 2 -> [3, 4]` becomes `0 -> 5 -> 6 -> 3`, and #4 was left behind. Recurse with the subtree-skipping visitor instead, so that a false return only skips that node's descendants and the walk continues with its siblings. The doc comment now spells out the difference between the two visitors. The regression test replays the issue's tree shape; before the fix it fails with the node map still containing the orphaned #4.  *Replace this paragraph with a description of what this PR is changing or adding, and why. Consider including before/after screenshots.* *List which issues are fixed by this PR. You must list at least one issue. An issue is not required if the PR fixes something trivial like a typo.* *If you had to change anything in the [flutter/tests] repo, include a link to the migration guide as per the [breaking change policy].* ## Pre-launch Checklist - [ ] I read the [Contributor Guide] and followed the process outlined there for submitting PRs. - [ ] I read the [AI contribution guidelines] and understand my responsibilities, or I am not using AI tools. - [ ] I read the [Tree Hygiene] wiki page, which explains my responsibilities. - [ ] I read and followed the [Flutter Style Guide], including [Features we expect every widget to implement]. - [ ] I signed the [CLA]. - [ ] I listed at least one issue that this PR fixes in the description above. - [ ] I updated/added relevant in-code documentation (doc comments with `///`). - [ ] If this PR introduces a new feature or capability, I created and linked a website documentation issue or PR in [flutter/website] (or verified none is needed). - [ ] I added new tests to check the change I am making, or this PR is [test-exempt]. - [ ] I followed the [breaking change policy] and added [Data Driven Fixes] where supported. - [ ] All existing and new tests are passing. 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…tures Only include the UTF-8 encoding remediation hint in `TestCommand.verifyThenRunCommand` when `readAsStringSync` fails due to a UTF-8 decoding error (`err.osError == null` and `readAsBytesSync` succeeds), rather than on OS or filesystem read failures. Add a hermetic regression test for OS `FileSystemException`s and document the AppleDouble and UTF-16 LE byte-array fixtures in `test_test.dart`. Previous output (AppleDouble sidecar files): ``` Failed to decode data using encoding 'utf-8', path = '/usr/local/google/home/bkonyi/.gemini/jetski/brain/ee6d5e68-1051-40e6-a23a-a289ca33c97a/scratch/repro_app/test/._a_test.dart' dart:io _File.readAsStringSync package:test_core/src/runner/loader.dart 41:22 Loader.parseSuiteMetadata.<fn>.<fn> package:async/src/result/result.dart 67:40 new Result package:test_core/src/runner/loader.dart 38:14 Loader.parseSuiteMetadata.<fn> dart:_compact_hash _LinkedHashMapMixin.putIfAbsent package:test_core/src/runner/loader.dart 36:35 Loader.parseSuiteMetadata package:test_core/src/runner/loader.dart 266:41 Loader.loadFile This is an unexpected error. Please file an issue at http://github.com/dart-lang/test with the stack trace and instructions for reproducing the error. FileSystemException: Failed to decode data using encoding 'utf-8', path = '/usr/local/google/home/bkonyi/.gemini/jetski/brain/ee6d5e68-1051-40e6-a23a-a289ca33c97a/scratch/repro_app/test/._widget_test.dart' #0 _File._tryDecode (dart:io/file_impl.dart:704:7) #1 _File.readAsStringSync (dart:io/file_impl.dart:715:7) #2 Loader.parseSuiteMetadata.<anonymous closure>.<anonymous closure> (package:test_core/src/runner/loader.dart:41:22) #3 new Result (package:async/src/result/result.dart:67:40) #4 Loader.parseSuiteMetadata.<anonymous closure> (package:test_core/src/runner/loader.dart:38:14) #5 _LinkedHashMapMixin.putIfAbsent (dart:_compact_hash:631:23) #6 Loader.parseSuiteMetadata (package:test_core/src/runner/loader.dart:36:35) flutter#7 Loader.loadFile (package:test_core/src/runner/loader.dart:266:41) <asynchronous suspension> Feature flags enabled: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android, enable-ios, cli-animations, enable-native-assets, enable-record-use, enable-swift-package-manager, omit-legacy-version-file, enable-lldb-debugging, enable-uiscene-migration, enable-riscv64, enable-hcpp ``` Current output (AppleDouble sidecar files): ``` 00:00 +0: loading /usr/local/google/home/bkonyi/.gemini/jetski/brain/ee6d5e68-1051-40e6-a23a-a289ca33c97a/scratch/repro_app/test/widget_test.dart 00:00 +0: passes 00:00 +1: All tests passed! ``` Previous output (non-UTF-8 test files): ``` Failed to decode data using encoding 'utf-8', path = '/usr/local/google/home/bkonyi/.gemini/jetski/brain/ee6d5e68-1051-40e6-a23a-a289ca33c97a/scratch/repro_app/test/non_utf8_1_test.dart' dart:io _File.readAsStringSync package:test_core/src/runner/loader.dart 41:22 Loader.parseSuiteMetadata.<fn>.<fn> package:async/src/result/result.dart 67:40 new Result package:test_core/src/runner/loader.dart 38:14 Loader.parseSuiteMetadata.<fn> dart:_compact_hash _LinkedHashMapMixin.putIfAbsent package:test_core/src/runner/loader.dart 36:35 Loader.parseSuiteMetadata package:test_core/src/runner/loader.dart 266:41 Loader.loadFile This is an unexpected error. Please file an issue at http://github.com/dart-lang/test with the stack trace and instructions for reproducing the error. FileSystemException: Failed to decode data using encoding 'utf-8', path = '/usr/local/google/home/bkonyi/.gemini/jetski/brain/ee6d5e68-1051-40e6-a23a-a289ca33c97a/scratch/repro_app/test/non_utf8_2_test.dart' #0 _File._tryDecode (dart:io/file_impl.dart:704:7) #1 _File.readAsStringSync (dart:io/file_impl.dart:715:7) #2 Loader.parseSuiteMetadata.<anonymous closure>.<anonymous closure> (package:test_core/src/runner/loader.dart:41:22) #3 new Result (package:async/src/result/result.dart:67:40) #4 Loader.parseSuiteMetadata.<anonymous closure> (package:test_core/src/runner/loader.dart:38:14) #5 _LinkedHashMapMixin.putIfAbsent (dart:_compact_hash:631:23) #6 Loader.parseSuiteMetadata (package:test_core/src/runner/loader.dart:36:35) flutter#7 Loader.loadFile (package:test_core/src/runner/loader.dart:266:41) <asynchronous suspension> Feature flags enabled: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android, enable-ios, cli-animations, enable-native-assets, enable-record-use, enable-swift-package-manager, omit-legacy-version-file, enable-lldb-debugging, enable-uiscene-migration, enable-riscv64, enable-hcpp ``` Current output (non-UTF-8 test files): ``` Failed to read test file "/usr/local/google/home/bkonyi/.gemini/jetski/brain/ee6d5e68-1051-40e6-a23a-a289 ca33c97a/scratch/repro_app/test/non_utf8_1_test.dart": Failed to decode data using encoding 'utf-8'. Ensure that the file is a valid UTF-8 encoded Dart test file. ```

… overwrite test Updates `native_assets_flutter_test_manifest_overwrite_test.dart` to invoke `flutterBin` (`test_utils.dart`) with `@Timeout(Duration(minutes: 5))` instead of manually compiling `bin/flutter_tools.dart` to `flutter_tools.dill`, and uses `loadPackageConfig`, `PackageConfig`, `Package`, `LanguageVersion`, and `savePackageConfig` from `package:package_config/package_config.dart` to construct the offline test project's `.dart_tool/package_config.json`. Previous output: ``` Unhandled exception: FileSystemException: Cannot rename file to '/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_196121_dst.tmp', path = '/tmp/repro_196121_src.tmp' (OS Error: Invalid cross-device link, errno = 18) #0 _File.throwIfError (dart:io/file_impl.dart:779:7) #1 _File.renameSync (dart:io/file_impl.dart:396:5) #2 ForwardingFileSystemEntity.renameSync (package:file/src/forwarding/forwarding_file_system_entity.dart:50:49) #3 ErrorHandlingFile.renameSync.<anonymous closure> (package:flutter_tools/src/base/error_handling_io.dart:430:31) #4 _runSync (package:flutter_tools/src/base/error_handling_io.dart:1116:16) #5 ErrorHandlingFile.renameSync (package:flutter_tools/src/base/error_handling_io.dart:429:12) #6 main (file:///usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_exdev.dart:24:37) flutter#7 _delayEntrypointInvocation.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:313:19) flutter#8 _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:192:12) ``` Current output: ``` Flutter failed to rename file at "/tmp/repro_196121_src.tmp" to "/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_196121_dst.tmp". A file system operation failed across different volumes or mount points. FileSystemException: Cannot rename file to '/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_196121_dst.tmp', path = '/tmp/repro_196121_src.tmp' (OS Error: Invalid cross-device link, errno = 18) Ensure that the project, build output, and temporary directories are on the same writable volume, or check external volume and security software settings. ``` Previous output (flutter test overwriting existing native_assets.json): ``` Flutter failed to delete file at "/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4 d2ca98a9/scratch/repro_app/build/native_assets/linux/native_assets.json". Please ensure that the SDK and/or project is installed in a location that has read/write permissions for the current user. Try running: sudo chown -R $(whoami) /usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc 4d2ca98a9/scratch/repro_app/build/native_assets/linux/native_assets.json ``` Current output (flutter test overwriting existing native_assets.json): ``` 00:00 +0: loading /usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_app/test/smoke_test.dart 00:00 +0: smoke test 00:00 +1: All tests passed! ``` Fixes flutter#196121

Simplifies the fix and tests for avoiding redundant `native_assets.json` deletion and handling `EXDEV`: - Restores `ErrorHandlingFileSystem.deleteIfExists` to upstream and removes custom `ForwardingFileSystem` test doubles in `error_handling_io_test.dart`, testing `EXDEV` (`errno = 18`) directly with `MemoryFileSystem.test(opHandle: exceptionHandler.opHandle)`. - Streams `targetDir.list(followLinks: false)` in `_copyNativeCodeAssetsForOS` with `entity is File` instead of `.toList()` and `typeSync`, and deduplicates `installCodeAssets` test setup in `native_assets_test.dart`. - Removes the redundant `flutter test` subprocess integration test (`native_assets_flutter_test_manifest_overwrite_test.dart`). Reproduction notes: Both output pairs below were captured on a Linux host, which cannot reproduce the macOS external-volume behavior directly. The first pair comes from a small Dart script (`repro_exdev.dart`) calling `ErrorHandlingFileSystem.file(...).renameSync(...)` from `/tmp` (`tmpfs`) to an `ext4` directory to trigger a real kernel `EXDEV` (`errno = 18`). The second pair comes from running `BOT=true flutter test --no-pub -r expanded` on a minimal app after making `build/native_assets/linux` read-only (`chmod 0555`) while leaving `native_assets.json` writable (`0644`), so `unlink(2)` fails while in-place truncation succeeds; with a writable `build/native_assets/linux` directory, the unfixed tool passes with the same 3-line test output. Local workspace paths inside the fenced output blocks are preserved verbatim to match exact command output. Previous output: ``` Unhandled exception: FileSystemException: Cannot rename file to '/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_196121_dst.tmp', path = '/tmp/repro_196121_src.tmp' (OS Error: Invalid cross-device link, errno = 18) #0 _File.throwIfError (dart:io/file_impl.dart:779:7) #1 _File.renameSync (dart:io/file_impl.dart:396:5) #2 ForwardingFileSystemEntity.renameSync (package:file/src/forwarding/forwarding_file_system_entity.dart:50:49) #3 ErrorHandlingFile.renameSync.<anonymous closure> (package:flutter_tools/src/base/error_handling_io.dart:430:31) #4 _runSync (package:flutter_tools/src/base/error_handling_io.dart:1116:16) #5 ErrorHandlingFile.renameSync (package:flutter_tools/src/base/error_handling_io.dart:429:12) #6 main (file:///usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_exdev.dart:24:37) flutter#7 _delayEntrypointInvocation.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:313:19) flutter#8 _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:192:12) ``` Current output: ``` Flutter failed to rename file at "/tmp/repro_196121_src.tmp" to "/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_196121_dst.tmp". A file system operation failed across different volumes or mount points. FileSystemException: Cannot rename file to '/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_196121_dst.tmp', path = '/tmp/repro_196121_src.tmp' (OS Error: Invalid cross-device link, errno = 18) Ensure that the project, build output, and temporary directories are on the same writable volume, or check external volume and security software settings. ``` Previous output (flutter test overwriting existing native_assets.json): ``` Flutter failed to delete file at "/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4 d2ca98a9/scratch/repro_app/build/native_assets/linux/native_assets.json". Please ensure that the SDK and/or project is installed in a location that has read/write permissions for the current user. Try running: sudo chown -R $(whoami) /usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc 4d2ca98a9/scratch/repro_app/build/native_assets/linux/native_assets.json ``` Current output (flutter test overwriting existing native_assets.json): ``` 00:00 +0: loading /usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_app/test/smoke_test.dart 00:00 +0: smoke test 00:00 +1: All tests passed! ``` Fixes flutter#196121

…ative assets Restores `.toList()` on `targetDir.list(followLinks: false)` in `_copyNativeCodeAssetsForOS` so directory enumeration completes before deleting stale entries in `targetDir`, avoiding concurrent directory stream mutation issues on Windows and network filesystems. Reproduction notes: Both output pairs below were captured on a Linux host, which cannot reproduce the macOS external-volume behavior directly. The first pair comes from a small Dart script (`repro_exdev.dart`) calling `ErrorHandlingFileSystem.file(...).renameSync(...)` from `/tmp` (`tmpfs`) to an `ext4` directory to trigger a real kernel `EXDEV` (`errno = 18`). The second pair comes from running `BOT=true flutter test --no-pub -r expanded` on a minimal app after making `build/native_assets/linux` read-only (`chmod 0555`) while leaving `native_assets.json` writable (`0644`), so `unlink(2)` fails while in-place truncation succeeds; with a writable `build/native_assets/linux` directory, the unfixed tool passes with the same 3-line test output. Local workspace paths inside the fenced output blocks are preserved verbatim to match exact command output. Previous output: ``` Unhandled exception: FileSystemException: Cannot rename file to '/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_196121_dst.tmp', path = '/tmp/repro_196121_src.tmp' (OS Error: Invalid cross-device link, errno = 18) #0 _File.throwIfError (dart:io/file_impl.dart:779:7) #1 _File.renameSync (dart:io/file_impl.dart:396:5) #2 ForwardingFileSystemEntity.renameSync (package:file/src/forwarding/forwarding_file_system_entity.dart:50:49) #3 ErrorHandlingFile.renameSync.<anonymous closure> (package:flutter_tools/src/base/error_handling_io.dart:430:31) #4 _runSync (package:flutter_tools/src/base/error_handling_io.dart:1116:16) #5 ErrorHandlingFile.renameSync (package:flutter_tools/src/base/error_handling_io.dart:429:12) #6 main (file:///usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_exdev.dart:24:37) flutter#7 _delayEntrypointInvocation.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:313:19) flutter#8 _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:192:12) ``` Current output: ``` Flutter failed to rename file at "/tmp/repro_196121_src.tmp" to "/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_196121_dst.tmp". A file system operation failed across different volumes or mount points. FileSystemException: Cannot rename file to '/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_196121_dst.tmp', path = '/tmp/repro_196121_src.tmp' (OS Error: Invalid cross-device link, errno = 18) Ensure that the project, build output, and temporary directories are on the same writable volume, or check external volume and security software settings. ``` Previous output (flutter test overwriting existing native_assets.json): ``` Flutter failed to delete file at "/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4 d2ca98a9/scratch/repro_app/build/native_assets/linux/native_assets.json". Please ensure that the SDK and/or project is installed in a location that has read/write permissions for the current user. Try running: sudo chown -R $(whoami) /usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc 4d2ca98a9/scratch/repro_app/build/native_assets/linux/native_assets.json ``` Current output (flutter test overwriting existing native_assets.json): ``` 00:00 +0: loading /usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_app/test/smoke_test.dart 00:00 +0: smoke test 00:00 +1: All tests passed! ``` Fixes flutter#196121

…lutter#196134) Previously, `installCodeAssets` invoked `_copyNativeCodeAssetsForOS` on every `flutter test` run, which listed `build/native_assets/<os>/` and deleted `native_assets.json` right before `_writeNativeAssetsJson` truncated and overwrote that same file in place. On macOS external volumes (for example `/Volumes/...` where endpoint-security or recycle-bin interposers intercept `unlink(2)` and attempt a cross-volume `rename(2)`), unlinking `native_assets.json` failed with `FileSystemException (OS Error: Cross-device link, errno = 18)` (`EXDEV`). In addition, `_handlePosixException` did not map `EXDEV` (`errno = 18`) to a `ToolExit`. This change: 1. Skips deleting `native_assets.json` in `_copyNativeCodeAssetsForOS` when it already exists on disk as a regular file, since `_writeNativeAssetsJson` immediately truncates and overwrites it in place (while still deleting stale bundled native asset artifacts, directories, and symlinks). 2. Handles POSIX `EXDEV` (`errno = 18`) in `_handlePosixException` on Linux and macOS by throwing an actionable `ToolExit` instead of crashing with an unhandled `FileSystemException`. Reproduction notes: Both output pairs below were captured on a Linux host, which cannot reproduce the macOS external-volume behavior directly. The first pair comes from a small Dart script (`repro_exdev.dart`) calling `ErrorHandlingFileSystem.file(...).renameSync(...)` from `/tmp` (`tmpfs`) to an `ext4` directory to trigger a real kernel `EXDEV` (`errno = 18`). The second pair comes from running `BOT=true flutter test --no-pub -r expanded` on a minimal app after making `build/native_assets/linux` read-only (`chmod 0555`) while leaving `native_assets.json` writable (`0644`), so `unlink(2)` fails while in-place truncation succeeds; with a writable `build/native_assets/linux` directory, the unfixed tool passes with the same 3-line test output. Local workspace paths inside the fenced output blocks are preserved verbatim to match exact command output. Previous output: ``` Unhandled exception: FileSystemException: Cannot rename file to '/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_196121_dst.tmp', path = '/tmp/repro_196121_src.tmp' (OS Error: Invalid cross-device link, errno = 18) #0 _File.throwIfError (dart:io/file_impl.dart:779:7) #1 _File.renameSync (dart:io/file_impl.dart:396:5) #2 ForwardingFileSystemEntity.renameSync (package:file/src/forwarding/forwarding_file_system_entity.dart:50:49) #3 ErrorHandlingFile.renameSync.<anonymous closure> (package:flutter_tools/src/base/error_handling_io.dart:430:31) #4 _runSync (package:flutter_tools/src/base/error_handling_io.dart:1116:16) #5 ErrorHandlingFile.renameSync (package:flutter_tools/src/base/error_handling_io.dart:429:12) #6 main (file:///usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_exdev.dart:24:37) flutter#7 _delayEntrypointInvocation.<anonymous closure> (dart:isolate-patch/isolate_patch.dart:313:19) flutter#8 _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:192:12) ``` Current output: ``` Flutter failed to rename file at "/tmp/repro_196121_src.tmp" to "/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_196121_dst.tmp". A file system operation failed across different volumes or mount points. FileSystemException: Cannot rename file to '/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_196121_dst.tmp', path = '/tmp/repro_196121_src.tmp' (OS Error: Invalid cross-device link, errno = 18) Ensure that the project, build output, and temporary directories are on the same writable volume, or check external volume and security software settings. ``` Previous output (flutter test overwriting existing native_assets.json): ``` Flutter failed to delete file at "/usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4 d2ca98a9/scratch/repro_app/build/native_assets/linux/native_assets.json". Please ensure that the SDK and/or project is installed in a location that has read/write permissions for the current user. Try running: sudo chown -R $(whoami) /usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc 4d2ca98a9/scratch/repro_app/build/native_assets/linux/native_assets.json ``` Current output (flutter test overwriting existing native_assets.json): ``` 00:00 +0: loading /usr/local/google/home/bkonyi/.gemini/jetski/brain/0a669702-1e2d-46a6-9c37-fdc4d2ca98a9/scratch/repro_app/test/smoke_test.dart 00:00 +0: smoke test 00:00 +1: All tests passed! ``` Fixes flutter#196121

flutter#196136) Previously, `ErrorHandlingFile.readAsStringSync` dropped its `encoding` parameter when calling `delegate.readAsStringSync()`, forcing UTF-8 decoding even when callers requested another encoding (unlike `readAsString`, `readAsLines`, and `readAsLinesSync`, which already forwarded `encoding`). Because `flutter_tools` wraps `LocalFileSystem` in `ErrorHandlingFileSystem`, callers such as `ScreenshotCommand.ensureOutputIsNotJsonRpcError` (which passes `AsciiCodec(allowInvalid: true)` when checking small screenshot files for JSON-RPC error payloads) crashed with a `FileSystemException`. Forward `encoding` to `delegate.readAsStringSync(encoding: encoding)` and add regression tests covering `ErrorHandlingFile.readAsStringSync` backed by `LocalFileSystem` and `ScreenshotCommand.ensureOutputIsNotJsonRpcError` on `ErrorHandlingFileSystem`. Fixes flutter#196225 Previous output: ``` Screenshot written to flutter_01.skp (0kB). FileSystemException: Failed to decode data using encoding 'utf-8', path = '/tmp/repro_screenshot_skp.QPQNLT/flutter_01.skp' #0 _File._tryDecode (dart:io/file_impl.dart:704:7) #1 _File.readAsStringSync (dart:io/file_impl.dart:715:7) #2 ForwardingFile.readAsStringSync (package:file/src/forwarding/forwarding_file.dart:99:16) #3 ErrorHandlingFile.readAsStringSync.<anonymous closure> (package:flutter_tools/src/base/error_handling_io.dart:258:22) #4 _runSync (package:flutter_tools/src/base/error_handling_io.dart:1116:16) #5 ErrorHandlingFile.readAsStringSync (package:flutter_tools/src/base/error_handling_io.dart:257:12) #6 ScreenshotCommand.ensureOutputIsNotJsonRpcError (package:flutter_tools/src/commands/screenshot.dart:198:39) flutter#7 ScreenshotCommand.runSkia (package:flutter_tools/src/commands/screenshot.dart:180:5) <asynchronous suspension> flutter#8 ScreenshotCommand.runCommand (package:flutter_tools/src/commands/screenshot.dart:123:19) <asynchronous suspension> flutter#9 FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:876:27) <asynchronous suspension> flutter#10 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#11 CommandRunner.runCommand (package:args/command_runner.dart:212:13) <asynchronous suspension> flutter#12 FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:689:9) <asynchronous suspension> flutter#13 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#14 FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:619:5) <asynchronous suspension> flutter#15 FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:379:5) <asynchronous suspension> flutter#16 run.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:419:19) <asynchronous suspension> flutter#17 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#18 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#19 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#20 main (package:flutter_tools/executable.dart:133:3) <asynchronous suspension> Feature flags enabled: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android, enable-ios, cli-animations, enable-native-assets, enable-record-use, enable-swift-package-manager, omit-legacy-version-file, enable-lldb-debugging, enable-uiscene-migration, enable-riscv64, enable-hcpp ``` Current output: ``` Screenshot written to flutter_01.skp (0kB). ```

Update `screenshot_test.dart` to write its synthetic package configuration via `writePackageConfigFiles`, resolve local engine paths via `LocalEngineLocator` and `getLocalEngineArguments()` with a normalized absolute `flutterBin` path, and register `flutter_tester` teardown immediately after process startup with early-exit reporting. Previous output: ``` _flutter.screenshotSkp: (-32000) Cannot capture SKP screenshot with Impeller enabled. #0 new _OutstandingRequest (package:vm_service/src/vm_service.dart:280:34) #1 VmService._call.<anonymous closure> (package:vm_service/src/vm_service.dart:1962:25) #2 VmService._call (package:vm_service/src/vm_service.dart:1974:8) #3 VmService.callServiceExtension (package:vm_service/src/vm_service.dart:1905:14) #4 FlutterVmService._checkedCallServiceExtension (package:flutter_tools/src/vmservice.dart:835:28) #5 FlutterVmService.screenshotSkp (package:flutter_tools/src/vmservice.dart:1069:12) #6 ScreenshotCommand.runSkia (package:flutter_tools/src/commands/screenshot.dart:167:54) <asynchronous suspension> flutter#7 ScreenshotCommand.runCommand (package:flutter_tools/src/commands/screenshot.dart:123:19) <asynchronous suspension> flutter#8 FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:876:27) <asynchronous suspension> flutter#9 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#10 CommandRunner.runCommand (package:args/command_runner.dart:212:13) <asynchronous suspension> flutter#11 FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:689:9) <asynchronous suspension> flutter#12 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#13 FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:619:5) <asynchronous suspension> flutter#14 FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:379:5) <asynchronous suspension> flutter#15 run.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:419:19) <asynchronous suspension> flutter#16 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#17 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#18 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#19 main (package:flutter_tools/executable.dart:133:3) <asynchronous suspension> Feature flags enabled: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android, enable-ios, cli-animations, enable-native-assets, enable-record-use, enable-swift-package-manager, omit-legacy-version-file, enable-lldb-debugging, enable-uiscene-migration, enable-riscv64, enable-hcpp ``` Current output: ``` The Skia picture request failed: Cannot capture SKP screenshot with Impeller enabled. ``` Fixes flutter#196119

…#196132) Previously, running `flutter screenshot --type=skia` against an application with Impeller enabled crashed with an unhandled `vm_service.RPCError` (`-32000`) because the engine rejects `_flutter.screenshotSkp` requests under Impeller and `ScreenshotCommand.runSkia` did not catch `RPCError`. Catch `vm_service.RPCError` in `ScreenshotCommand.runSkia` and exit cleanly via `throwToolExit` with the engine's error message. Previous output: ``` _flutter.screenshotSkp: (-32000) Cannot capture SKP screenshot with Impeller enabled. #0 new _OutstandingRequest (package:vm_service/src/vm_service.dart:280:34) #1 VmService._call.<anonymous closure> (package:vm_service/src/vm_service.dart:1962:25) #2 VmService._call (package:vm_service/src/vm_service.dart:1974:8) #3 VmService.callServiceExtension (package:vm_service/src/vm_service.dart:1905:14) #4 FlutterVmService._checkedCallServiceExtension (package:flutter_tools/src/vmservice.dart:835:28) #5 FlutterVmService.screenshotSkp (package:flutter_tools/src/vmservice.dart:1069:12) #6 ScreenshotCommand.runSkia (package:flutter_tools/src/commands/screenshot.dart:167:54) <asynchronous suspension> flutter#7 ScreenshotCommand.runCommand (package:flutter_tools/src/commands/screenshot.dart:123:19) <asynchronous suspension> flutter#8 FlutterCommand.run.<anonymous closure> (package:flutter_tools/src/runner/flutter_command.dart:876:27) <asynchronous suspension> flutter#9 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#10 CommandRunner.runCommand (package:args/command_runner.dart:212:13) <asynchronous suspension> flutter#11 FlutterCommandRunner.runCommand.<anonymous closure> (package:flutter_tools/src/runner/flutter_command_runner.dart:689:9) <asynchronous suspension> flutter#12 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#13 FlutterCommandRunner.runCommand (package:flutter_tools/src/runner/flutter_command_runner.dart:619:5) <asynchronous suspension> flutter#14 FlutterCommandRunner.run (package:flutter_tools/src/runner/flutter_command_runner.dart:379:5) <asynchronous suspension> flutter#15 run.<anonymous closure>.<anonymous closure>.<anonymous closure>.<anonymous closure> (package:flutter_tools/runner.dart:419:19) <asynchronous suspension> flutter#16 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#17 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#18 AppContext.run.<anonymous closure> (package:flutter_tools/src/base/context.dart:174:19) <asynchronous suspension> flutter#19 main (package:flutter_tools/executable.dart:133:3) <asynchronous suspension> Feature flags enabled: enable-web, enable-linux-desktop, enable-macos-desktop, enable-windows-desktop, enable-android, enable-ios, cli-animations, enable-native-assets, enable-record-use, enable-swift-package-manager, omit-legacy-version-file, enable-lldb-debugging, enable-uiscene-migration, enable-riscv64, enable-hcpp ``` Current output: ``` The Skia picture request failed: Cannot capture SKP screenshot with Impeller enabled. ``` Fixes flutter#196119

bkonyi closed this Apr 20, 2026

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Fix silent flutter_tools hang during git background fetches - #4

Fix silent flutter_tools hang during git background fetches#4
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fix-git-ssh-hang-8939177479079620407

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