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[flutter_tools] Add --force flag to flutter channel - #191579
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Adds a --force (-f) flag to flutter channel to allow switching channels even when local SDK changes exist, matching flutter upgrade behavior. Fixes flutter#191262
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This pull request introduces a --force (or -f) flag to the flutter channel command, allowing users to force-switch channels and potentially discard local changes. This flag is passed to the underlying git checkout command as -f. Additionally, unit tests have been added to verify this behavior when switching channels both when the branch exists locally and when it does not. There are no review comments, and I have no feedback to provide.
dcharkes
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Should we consider stashing the changes instead of dropping them?
Since users will need to pass |
Roll Flutter from 9a8278982588 to 15d8908addf6 (37 revisions) flutter/flutter@9a82789...15d8908 2026-08-25 engine-flutter-autoroll@skia.org Roll Packages from df2ba94 to 740f093 (17 revisions) (flutter/flutter#191734) 2026-08-25 dacoharkes@google.com [record_use] Remove const_finder (flutter/flutter#191702) 2026-08-25 48625061+muradhossin@users.noreply.github.com Warn when SwiftPM is disabled (flutter/flutter#188695) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from b1a31575c373 to 480540178356 (1 revision) (flutter/flutter#191723) 2026-08-25 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#191726) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from bfa276ed9ac5 to b1a31575c373 (1 revision) (flutter/flutter#191717) 2026-08-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 0818e6dc28cc to 8996935d3d0a (2 revisions) (flutter/flutter#191706) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from 31799e707cd4 to bfa276ed9ac5 (1 revision) (flutter/flutter#191701) 2026-08-25 chris@bracken.jp iOS: Add null check for touch rate correction task runner (flutter/flutter#191641) 2026-08-25 chris@bracken.jp iOS: Add test for engineAllowHeadlessExecution (flutter/flutter#191635) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from cfae2af1bfeb to 31799e707cd4 (4 revisions) (flutter/flutter#191649) 2026-08-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 2b75c83ddd77 to 0818e6dc28cc (1 revision) (flutter/flutter#191643) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from 4a2fddefd3d8 to cfae2af1bfeb (1 revision) (flutter/flutter#191642) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from 256c15026b91 to 4a2fddefd3d8 (6 revisions) (flutter/flutter#191633) 2026-08-25 97480502+b-luk@users.noreply.github.com Remove octant_offset_c uniform from ubersdf, reorder/document ubersdf uniforms (flutter/flutter#191597) 2026-08-25 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from 8Xu4ujBJniC0nQGx3... to MstTWE1RDOT-RnrtH... (flutter/flutter#191621) 2026-08-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 78bbc37b6ff6 to 2b75c83ddd77 (3 revisions) (flutter/flutter#191614) 2026-08-24 bkonyi@google.com [flutter_tools] Fix $git typo in shared.bat to restore cache invalidation on Windows (flutter/flutter#191217) 2026-08-24 87962825+kyungilcho@users.noreply.github.com Skip removed observers during app exit requests (flutter/flutter#190343) 2026-08-24 bkonyi@google.com [engine] Support UTF-8 paths in Windows filesystem and path APIs (flutter/flutter#191360) 2026-08-24 okorohelijah@google.com Migrate ios driver tests batch 3 to simulators (flutter/flutter#191333) 2026-08-24 jmccandless@google.com Migrate texture example to material_ui (flutter/flutter#190673) 2026-08-24 116356835+AbdeMohlbi@users.noreply.github.com Remove outdated test todo about `dither` property of `Paint` (flutter/flutter#190936) 2026-08-24 47866232+chunhtai@users.noreply.github.com Add agent rule to prevent using material and cupertino in widget tests (flutter/flutter#191588) 2026-08-24 bkonyi@google.com [flutter_tools] Prevent crash when stdout is broken and print fails (flutter/flutter#191356) 2026-08-24 robert.ancell@canonical.com Add FlViewRendererSubsurface (flutter/flutter#191389) 2026-08-24 43054281+camsim99@users.noreply.github.com [Android] Inject `route` into manifest when specified on the command line in release mode (flutter/flutter#191328) 2026-08-24 269567208+reidbaker-agent@users.noreply.github.com [AGP 9.1.0 Migration #3] Add buildModeFor overloads and wire Flutter dependencies through the new DSL (flutter/flutter#191218) 2026-08-24 engine-flutter-autoroll@skia.org Roll Skia from 698c60bf58f1 to 256c15026b91 (1 revision) (flutter/flutter#191586) 2026-08-24 15619084+vashworth@users.noreply.github.com On iOS 27+ devices, manually process lldb stops (flutter/flutter#191434) 2026-08-24 bkonyi@google.com [flutter_tools] Handle missing Xcode gracefully in getInfo and buildMacOS (flutter/flutter#191180) 2026-08-24 bkonyi@google.com [flutter_tools] Handle null version gracefully in CachedArtifact and MaterialFonts (flutter/flutter#191494) 2026-08-24 bkonyi@google.com [flutter_tools] Do not treat 'daemon' argument as daemon command in logger initialization (flutter/flutter#191442) 2026-08-24 bkonyi@google.com [flutter_tools] Resolve workspace root when running widget preview from member package (flutter/flutter#190952) 2026-08-24 dacoharkes@google.com [native_assets] Roll native packages (flutter/flutter#191253) 2026-08-24 bkonyi@google.com [flutter_tools] Add --force flag to flutter channel (flutter/flutter#191579) 2026-08-24 engine-flutter-autoroll@skia.org Roll Skia from 57968d087d18 to 698c60bf58f1 (1 revision) (flutter/flutter#191577) 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 bmparr@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 ...
…r#12619) Roll Flutter from 9a8278982588 to 15d8908addf6 (37 revisions) flutter/flutter@9a82789...15d8908 2026-08-25 engine-flutter-autoroll@skia.org Roll Packages from df2ba94 to 740f093 (17 revisions) (flutter/flutter#191734) 2026-08-25 dacoharkes@google.com [record_use] Remove const_finder (flutter/flutter#191702) 2026-08-25 48625061+muradhossin@users.noreply.github.com Warn when SwiftPM is disabled (flutter/flutter#188695) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from b1a31575c373 to 480540178356 (1 revision) (flutter/flutter#191723) 2026-08-25 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#191726) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from bfa276ed9ac5 to b1a31575c373 (1 revision) (flutter/flutter#191717) 2026-08-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 0818e6dc28cc to 8996935d3d0a (2 revisions) (flutter/flutter#191706) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from 31799e707cd4 to bfa276ed9ac5 (1 revision) (flutter/flutter#191701) 2026-08-25 chris@bracken.jp iOS: Add null check for touch rate correction task runner (flutter/flutter#191641) 2026-08-25 chris@bracken.jp iOS: Add test for engineAllowHeadlessExecution (flutter/flutter#191635) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from cfae2af1bfeb to 31799e707cd4 (4 revisions) (flutter/flutter#191649) 2026-08-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 2b75c83ddd77 to 0818e6dc28cc (1 revision) (flutter/flutter#191643) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from 4a2fddefd3d8 to cfae2af1bfeb (1 revision) (flutter/flutter#191642) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from 256c15026b91 to 4a2fddefd3d8 (6 revisions) (flutter/flutter#191633) 2026-08-25 97480502+b-luk@users.noreply.github.com Remove octant_offset_c uniform from ubersdf, reorder/document ubersdf uniforms (flutter/flutter#191597) 2026-08-25 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from 8Xu4ujBJniC0nQGx3... to MstTWE1RDOT-RnrtH... (flutter/flutter#191621) 2026-08-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 78bbc37b6ff6 to 2b75c83ddd77 (3 revisions) (flutter/flutter#191614) 2026-08-24 bkonyi@google.com [flutter_tools] Fix $git typo in shared.bat to restore cache invalidation on Windows (flutter/flutter#191217) 2026-08-24 87962825+kyungilcho@users.noreply.github.com Skip removed observers during app exit requests (flutter/flutter#190343) 2026-08-24 bkonyi@google.com [engine] Support UTF-8 paths in Windows filesystem and path APIs (flutter/flutter#191360) 2026-08-24 okorohelijah@google.com Migrate ios driver tests batch 3 to simulators (flutter/flutter#191333) 2026-08-24 jmccandless@google.com Migrate texture example to material_ui (flutter/flutter#190673) 2026-08-24 116356835+AbdeMohlbi@users.noreply.github.com Remove outdated test todo about `dither` property of `Paint` (flutter/flutter#190936) 2026-08-24 47866232+chunhtai@users.noreply.github.com Add agent rule to prevent using material and cupertino in widget tests (flutter/flutter#191588) 2026-08-24 bkonyi@google.com [flutter_tools] Prevent crash when stdout is broken and print fails (flutter/flutter#191356) 2026-08-24 robert.ancell@canonical.com Add FlViewRendererSubsurface (flutter/flutter#191389) 2026-08-24 43054281+camsim99@users.noreply.github.com [Android] Inject `route` into manifest when specified on the command line in release mode (flutter/flutter#191328) 2026-08-24 269567208+reidbaker-agent@users.noreply.github.com [AGP 9.1.0 Migration #3] Add buildModeFor overloads and wire Flutter dependencies through the new DSL (flutter/flutter#191218) 2026-08-24 engine-flutter-autoroll@skia.org Roll Skia from 698c60bf58f1 to 256c15026b91 (1 revision) (flutter/flutter#191586) 2026-08-24 15619084+vashworth@users.noreply.github.com On iOS 27+ devices, manually process lldb stops (flutter/flutter#191434) 2026-08-24 bkonyi@google.com [flutter_tools] Handle missing Xcode gracefully in getInfo and buildMacOS (flutter/flutter#191180) 2026-08-24 bkonyi@google.com [flutter_tools] Handle null version gracefully in CachedArtifact and MaterialFonts (flutter/flutter#191494) 2026-08-24 bkonyi@google.com [flutter_tools] Do not treat 'daemon' argument as daemon command in logger initialization (flutter/flutter#191442) 2026-08-24 bkonyi@google.com [flutter_tools] Resolve workspace root when running widget preview from member package (flutter/flutter#190952) 2026-08-24 dacoharkes@google.com [native_assets] Roll native packages (flutter/flutter#191253) 2026-08-24 bkonyi@google.com [flutter_tools] Add --force flag to flutter channel (flutter/flutter#191579) 2026-08-24 engine-flutter-autoroll@skia.org Roll Skia from 57968d087d18 to 698c60bf58f1 (1 revision) (flutter/flutter#191577) 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 bmparr@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 ...
…r#12619) Roll Flutter from 9a8278982588 to 15d8908addf6 (37 revisions) flutter/flutter@9a82789...15d8908 2026-08-25 engine-flutter-autoroll@skia.org Roll Packages from df2ba94 to 740f093 (17 revisions) (flutter/flutter#191734) 2026-08-25 dacoharkes@google.com [record_use] Remove const_finder (flutter/flutter#191702) 2026-08-25 48625061+muradhossin@users.noreply.github.com Warn when SwiftPM is disabled (flutter/flutter#188695) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from b1a31575c373 to 480540178356 (1 revision) (flutter/flutter#191723) 2026-08-25 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#191726) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from bfa276ed9ac5 to b1a31575c373 (1 revision) (flutter/flutter#191717) 2026-08-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 0818e6dc28cc to 8996935d3d0a (2 revisions) (flutter/flutter#191706) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from 31799e707cd4 to bfa276ed9ac5 (1 revision) (flutter/flutter#191701) 2026-08-25 chris@bracken.jp iOS: Add null check for touch rate correction task runner (flutter/flutter#191641) 2026-08-25 chris@bracken.jp iOS: Add test for engineAllowHeadlessExecution (flutter/flutter#191635) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from cfae2af1bfeb to 31799e707cd4 (4 revisions) (flutter/flutter#191649) 2026-08-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 2b75c83ddd77 to 0818e6dc28cc (1 revision) (flutter/flutter#191643) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from 4a2fddefd3d8 to cfae2af1bfeb (1 revision) (flutter/flutter#191642) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from 256c15026b91 to 4a2fddefd3d8 (6 revisions) (flutter/flutter#191633) 2026-08-25 97480502+b-luk@users.noreply.github.com Remove octant_offset_c uniform from ubersdf, reorder/document ubersdf uniforms (flutter/flutter#191597) 2026-08-25 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from 8Xu4ujBJniC0nQGx3... to MstTWE1RDOT-RnrtH... (flutter/flutter#191621) 2026-08-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 78bbc37b6ff6 to 2b75c83ddd77 (3 revisions) (flutter/flutter#191614) 2026-08-24 bkonyi@google.com [flutter_tools] Fix $git typo in shared.bat to restore cache invalidation on Windows (flutter/flutter#191217) 2026-08-24 87962825+kyungilcho@users.noreply.github.com Skip removed observers during app exit requests (flutter/flutter#190343) 2026-08-24 bkonyi@google.com [engine] Support UTF-8 paths in Windows filesystem and path APIs (flutter/flutter#191360) 2026-08-24 okorohelijah@google.com Migrate ios driver tests batch 3 to simulators (flutter/flutter#191333) 2026-08-24 jmccandless@google.com Migrate texture example to material_ui (flutter/flutter#190673) 2026-08-24 116356835+AbdeMohlbi@users.noreply.github.com Remove outdated test todo about `dither` property of `Paint` (flutter/flutter#190936) 2026-08-24 47866232+chunhtai@users.noreply.github.com Add agent rule to prevent using material and cupertino in widget tests (flutter/flutter#191588) 2026-08-24 bkonyi@google.com [flutter_tools] Prevent crash when stdout is broken and print fails (flutter/flutter#191356) 2026-08-24 robert.ancell@canonical.com Add FlViewRendererSubsurface (flutter/flutter#191389) 2026-08-24 43054281+camsim99@users.noreply.github.com [Android] Inject `route` into manifest when specified on the command line in release mode (flutter/flutter#191328) 2026-08-24 269567208+reidbaker-agent@users.noreply.github.com [AGP 9.1.0 Migration flutter#3] Add buildModeFor overloads and wire Flutter dependencies through the new DSL (flutter/flutter#191218) 2026-08-24 engine-flutter-autoroll@skia.org Roll Skia from 698c60bf58f1 to 256c15026b91 (1 revision) (flutter/flutter#191586) 2026-08-24 15619084+vashworth@users.noreply.github.com On iOS 27+ devices, manually process lldb stops (flutter/flutter#191434) 2026-08-24 bkonyi@google.com [flutter_tools] Handle missing Xcode gracefully in getInfo and buildMacOS (flutter/flutter#191180) 2026-08-24 bkonyi@google.com [flutter_tools] Handle null version gracefully in CachedArtifact and MaterialFonts (flutter/flutter#191494) 2026-08-24 bkonyi@google.com [flutter_tools] Do not treat 'daemon' argument as daemon command in logger initialization (flutter/flutter#191442) 2026-08-24 bkonyi@google.com [flutter_tools] Resolve workspace root when running widget preview from member package (flutter/flutter#190952) 2026-08-24 dacoharkes@google.com [native_assets] Roll native packages (flutter/flutter#191253) 2026-08-24 bkonyi@google.com [flutter_tools] Add --force flag to flutter channel (flutter/flutter#191579) 2026-08-24 engine-flutter-autoroll@skia.org Roll Skia from 57968d087d18 to 698c60bf58f1 (1 revision) (flutter/flutter#191577) 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 bmparr@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 ...
…r#12619) Roll Flutter from 9a8278982588 to 15d8908addf6 (37 revisions) flutter/flutter@9a82789...15d8908 2026-08-25 engine-flutter-autoroll@skia.org Roll Packages from df2ba94 to 740f093 (17 revisions) (flutter/flutter#191734) 2026-08-25 dacoharkes@google.com [record_use] Remove const_finder (flutter/flutter#191702) 2026-08-25 48625061+muradhossin@users.noreply.github.com Warn when SwiftPM is disabled (flutter/flutter#188695) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from b1a31575c373 to 480540178356 (1 revision) (flutter/flutter#191723) 2026-08-25 137456488+flutter-pub-roller-bot@users.noreply.github.com Roll pub packages (flutter/flutter#191726) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from bfa276ed9ac5 to b1a31575c373 (1 revision) (flutter/flutter#191717) 2026-08-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 0818e6dc28cc to 8996935d3d0a (2 revisions) (flutter/flutter#191706) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from 31799e707cd4 to bfa276ed9ac5 (1 revision) (flutter/flutter#191701) 2026-08-25 chris@bracken.jp iOS: Add null check for touch rate correction task runner (flutter/flutter#191641) 2026-08-25 chris@bracken.jp iOS: Add test for engineAllowHeadlessExecution (flutter/flutter#191635) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from cfae2af1bfeb to 31799e707cd4 (4 revisions) (flutter/flutter#191649) 2026-08-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 2b75c83ddd77 to 0818e6dc28cc (1 revision) (flutter/flutter#191643) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from 4a2fddefd3d8 to cfae2af1bfeb (1 revision) (flutter/flutter#191642) 2026-08-25 engine-flutter-autoroll@skia.org Roll Skia from 256c15026b91 to 4a2fddefd3d8 (6 revisions) (flutter/flutter#191633) 2026-08-25 97480502+b-luk@users.noreply.github.com Remove octant_offset_c uniform from ubersdf, reorder/document ubersdf uniforms (flutter/flutter#191597) 2026-08-25 engine-flutter-autoroll@skia.org Roll Fuchsia Linux SDK from 8Xu4ujBJniC0nQGx3... to MstTWE1RDOT-RnrtH... (flutter/flutter#191621) 2026-08-25 engine-flutter-autoroll@skia.org Roll Dart SDK from 78bbc37b6ff6 to 2b75c83ddd77 (3 revisions) (flutter/flutter#191614) 2026-08-24 bkonyi@google.com [flutter_tools] Fix $git typo in shared.bat to restore cache invalidation on Windows (flutter/flutter#191217) 2026-08-24 87962825+kyungilcho@users.noreply.github.com Skip removed observers during app exit requests (flutter/flutter#190343) 2026-08-24 bkonyi@google.com [engine] Support UTF-8 paths in Windows filesystem and path APIs (flutter/flutter#191360) 2026-08-24 okorohelijah@google.com Migrate ios driver tests batch 3 to simulators (flutter/flutter#191333) 2026-08-24 jmccandless@google.com Migrate texture example to material_ui (flutter/flutter#190673) 2026-08-24 116356835+AbdeMohlbi@users.noreply.github.com Remove outdated test todo about `dither` property of `Paint` (flutter/flutter#190936) 2026-08-24 47866232+chunhtai@users.noreply.github.com Add agent rule to prevent using material and cupertino in widget tests (flutter/flutter#191588) 2026-08-24 bkonyi@google.com [flutter_tools] Prevent crash when stdout is broken and print fails (flutter/flutter#191356) 2026-08-24 robert.ancell@canonical.com Add FlViewRendererSubsurface (flutter/flutter#191389) 2026-08-24 43054281+camsim99@users.noreply.github.com [Android] Inject `route` into manifest when specified on the command line in release mode (flutter/flutter#191328) 2026-08-24 269567208+reidbaker-agent@users.noreply.github.com [AGP 9.1.0 Migration flutter#3] Add buildModeFor overloads and wire Flutter dependencies through the new DSL (flutter/flutter#191218) 2026-08-24 engine-flutter-autoroll@skia.org Roll Skia from 698c60bf58f1 to 256c15026b91 (1 revision) (flutter/flutter#191586) 2026-08-24 15619084+vashworth@users.noreply.github.com On iOS 27+ devices, manually process lldb stops (flutter/flutter#191434) 2026-08-24 bkonyi@google.com [flutter_tools] Handle missing Xcode gracefully in getInfo and buildMacOS (flutter/flutter#191180) 2026-08-24 bkonyi@google.com [flutter_tools] Handle null version gracefully in CachedArtifact and MaterialFonts (flutter/flutter#191494) 2026-08-24 bkonyi@google.com [flutter_tools] Do not treat 'daemon' argument as daemon command in logger initialization (flutter/flutter#191442) 2026-08-24 bkonyi@google.com [flutter_tools] Resolve workspace root when running widget preview from member package (flutter/flutter#190952) 2026-08-24 dacoharkes@google.com [native_assets] Roll native packages (flutter/flutter#191253) 2026-08-24 bkonyi@google.com [flutter_tools] Add --force flag to flutter channel (flutter/flutter#191579) 2026-08-24 engine-flutter-autoroll@skia.org Roll Skia from 57968d087d18 to 698c60bf58f1 (1 revision) (flutter/flutter#191577) 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 bmparr@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 ...
Adds a
--force(-f) flag toflutter channelto allow switching channels even when local SDK modifications or untracked changes exist, matchingflutter upgradebehavior.Fixes #191262
Pre-launch Checklist
///).If you need help, consider asking for advice on the #hackers-new channel on Discord.