Documentation and script for Gradle Distribution cache for CI by mboetger · Pull Request #190323 · flutter/flutter

mboetger · 2026-07-30T22:10:14Z

Creates a script to generate the Gradle dists cache for CI and adds documentation.

Partially addresses: #179959

Pre-launch Checklist

gemini-code-assist

Code Review

This pull request introduces a Dart script to automate downloading and uploading Gradle distributions to CIPD, along with a markdown guide explaining the process. Feedback focuses on adding the --no-daemon flag to Gradle invocations to prevent file locking and process leaks, handling potential errors from the cipd search command, and refactoring temporary directory variables to be non-nullable to simplify cleanup and error handling. Additionally, minor syntax and formatting corrections were suggested for the markdown documentation.

gmackall

lgtm

non-blocking/not in this pr, but it would be good to separate out the docs/platform/android into

developer/user facing docs
contributor facing docs

gmackall · 2026-08-13T19:33:34Z

+### Request Access to CIPD
+
+1. Request temporary write access to upload packages to CIPD
+   via https://goto.google.com/flutter-luci-cipd#requesting-write-read-access-to-cipd-packages.


Should the goto.google links be go links?

meh, copypasta from docs/platforms/android/Uploading-New-Java-Version-to-CIPD.md. it used to be better to do this to ensure the 'https' was used - but I feel like chrome handles it better now.

auto-submit · 2026-08-13T21:25:18Z

autosubmit label was removed for flutter/flutter/190323, because The base commit of the PR is older than 7 days and can not be merged. Please merge the latest changes from the main into this branch and resubmit the PR.

auto-submit · 2026-08-13T21:25:18Z

autosubmit label was removed for flutter/flutter/190323, because - The status or check suite ci.yaml validation has failed. Please fix the issues identified (or deflake) before re-applying this label.

gmackall

relgtm

flutter-dashboard · 2026-08-18T18:01:05Z

CI had a failure that stopped further tests from running. We need to investigate to determine the root cause.

SHA at time of execution: 585baf2.

Possible causes:

Configuration Changes: The .ci.yaml file might have been modified between the creation of this pull request and the start of this test run. This can lead to ci yaml validation errors.
Infrastructure Issues: Problems with the CI environment itself (e.g., quota) could have caused the failure.

A blank commit, or merging to head, will be required to resume running CI for this PR.

Error Details:

FormatException: ERROR: Mac_ios ios_debug_workflow is a new builder added. it needs to be marked bringup: true
If ci.yaml wasn't changed, try `git fetch upstream && git merge upstream/master`

Stack trace:

#0      CiYaml._validate (package:cocoon_service/src/model/ci_yaml/ci_yaml.dart:395:7)
#1      new CiYaml (package:cocoon_service/src/model/ci_yaml/ci_yaml.dart:128:7)
#2      new CiYamlSet (package:cocoon_service/src/model/ci_yaml/ci_yaml.dart:48:23)
#3      CiYamlFetcher._getCiYaml (package:cocoon_service/src/service/scheduler/ci_yaml_fetcher.dart:124:12)
<asynchronous suspension>
#4      Scheduler.getPresubmitTargets (package:cocoon_service/src/service/scheduler.dart:1088:20)
<asynchronous suspension>
#5      Scheduler._getTestsForStage (package:cocoon_service/src/service/scheduler.dart:1404:14)
<asynchronous suspension>
#6      Scheduler._runCiTestingStage (package:cocoon_service/src/service/scheduler.dart:1445:30)
<asynchronous suspension>
#7      Scheduler.proceedToCiTestingStage (package:cocoon_service/src/service/scheduler.dart:1554:7)
<asynchronous suspension>
#8      Scheduler._closeSuccessfulEngineBuildStage (package:cocoon_service/src/service/scheduler.dart:1351:5)
<asynchronous suspension>
#9      Scheduler.processCheckRunCompleted (package:cocoon_service/src/service/scheduler.dart:1277:11)
<asynchronous suspension>
#10     PresubmitSubscription._processBuild (package:cocoon_service/src/request_handlers/presubmit_subscription.dart:226:7)
<asynchronous suspension>
#11     PresubmitSubscription.post (package:cocoon_service/src/request_handlers/presubmit_subscription.dart:119:5)
<asynchronous suspension>
#12     RequestHandler.service (package:cocoon_service/src/request_handling/request_handler.dart:42:20)
<asynchronous suspension>
#13     SubscriptionHandler.service (package:cocoon_service/src/request_handling/subscription_handler.dart:134:5)
<asynchronous suspension>
#14     createServer.<anonymous closure> (package:cocoon_service/server.dart:462:7)
<asynchronous suspension>
#15     main.<anonymous closure>.<anonymous closure> (file:///app/app_dart/bin/gae_server.dart:192:9)
<asynchronous suspension>

auto-submit · 2026-08-19T00:02:06Z

autosubmit label was removed for flutter/flutter/190323, because - The status or check suite Google testing has failed. Please fix the issues identified (or deflake) before re-applying this label.

auto-submit · 2026-08-26T20:07:14Z

autosubmit label was removed for flutter/flutter/190323, because - The status or check suite Dashboard Checks has failed. Please fix the issues identified (or deflake) before re-applying this label.

TAG=agy CONV=78ec070a-72f6-4283-a455-8f21219aa257

auto-submit · 2026-08-31T17:30:07Z

auto label is removed for flutter/flutter/190323, Failed to enqueue flutter/flutter/190323 with HTTP 400: UnknownException(TimeoutException after 0:00:05.000000: No stream event, stack:

).

flutter/flutter@c8c5e3b...0cbd1a4 2026-09-01 [email protected] Roll Skia from 6be7f8547c3c to 3911a1fe7f7a (1 revision) (flutter/flutter#192110) 2026-09-01 [email protected] Roll Fuchsia Linux SDK from EPzxifoyt36b5qiBy... to idslm9FikVLy2K_A-... (flutter/flutter#192104) 2026-09-01 [email protected] Roll Skia from 47df2ae3226c to 6be7f8547c3c (1 revision) (flutter/flutter#192103) 2026-09-01 [email protected] Roll Skia from e22ebf131e44 to 47df2ae3226c (4 revisions) (flutter/flutter#192099) 2026-09-01 [email protected] Roll Skia from 5489a16a5998 to e22ebf131e44 (5 revisions) (flutter/flutter#192093) 2026-09-01 [email protected] [flutter_tools] Safely handle broken symlinks and existing files during plugin symlink creation (flutter/flutter#191496) 2026-09-01 [email protected] Support wide gamut colors in gradient_generator's CreateGradientTexture (flutter/flutter#191980) 2026-09-01 [email protected] Clean up semantics code (flutter/flutter#191620) 2026-08-31 [email protected] Add website documentation item to PR pre-launch checklist (flutter/flutter#192080) 2026-08-31 [email protected] [windows] Fix null-deref in HostWindowPopup::UpdatePosition (Fixes #191478) (flutter/flutter#191479) 2026-08-31 [email protected] Removes deprecated ignoreSemantics parementers (flutter/flutter#191493) 2026-08-31 [email protected] Roll Dart SDK from b319095e317b to 9164def35347 (1 revision) (flutter/flutter#192073) 2026-08-31 [email protected] test: dynamic _tapOutside helper for TapRegion navigation tests (flutter/flutter#185397) 2026-08-31 [email protected] [Windows] fix: Remove quotes from compiler warning suppression (flutter/flutter#190873) 2026-08-31 [email protected] Migrate to listen package (flutter/flutter#189111) 2026-08-31 [email protected] Roll Skia from 15db98a90bbd to 5489a16a5998 (2 revisions) (flutter/flutter#192070) 2026-08-31 [email protected] Add regression test for plugin compileSdkExtension warning (flutter/flutter#191281) 2026-08-31 [email protected] Explicitly disable HCPP in platform view benchmarks and integration tests (flutter/flutter#191908) 2026-08-31 [email protected] Documentation and script for Gradle Distribution cache for CI (flutter/flutter#190323) 2026-08-31 [email protected] Roll Skia from 5549c93c9a1c to 15db98a90bbd (2 revisions) (flutter/flutter#192068) 2026-08-31 [email protected] Roll Packages from cd4cdd0 to d642322 (7 revisions) (flutter/flutter#192063) 2026-08-31 [email protected] Roll Dart SDK from 48f641e8b249 to b319095e317b (1 revision) (flutter/flutter#192061) 2026-08-31 [email protected] [tool] Migrate dev/tools from dart_skills_lint to skills_lint package (flutter/flutter#191997) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-packages Please CC [email protected] 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

…r#12712) flutter/flutter@c8c5e3b...0cbd1a4 2026-09-01 [email protected] Roll Skia from 6be7f8547c3c to 3911a1fe7f7a (1 revision) (flutter/flutter#192110) 2026-09-01 [email protected] Roll Fuchsia Linux SDK from EPzxifoyt36b5qiBy... to idslm9FikVLy2K_A-... (flutter/flutter#192104) 2026-09-01 [email protected] Roll Skia from 47df2ae3226c to 6be7f8547c3c (1 revision) (flutter/flutter#192103) 2026-09-01 [email protected] Roll Skia from e22ebf131e44 to 47df2ae3226c (4 revisions) (flutter/flutter#192099) 2026-09-01 [email protected] Roll Skia from 5489a16a5998 to e22ebf131e44 (5 revisions) (flutter/flutter#192093) 2026-09-01 [email protected] [flutter_tools] Safely handle broken symlinks and existing files during plugin symlink creation (flutter/flutter#191496) 2026-09-01 [email protected] Support wide gamut colors in gradient_generator's CreateGradientTexture (flutter/flutter#191980) 2026-09-01 [email protected] Clean up semantics code (flutter/flutter#191620) 2026-08-31 [email protected] Add website documentation item to PR pre-launch checklist (flutter/flutter#192080) 2026-08-31 [email protected] [windows] Fix null-deref in HostWindowPopup::UpdatePosition (Fixes #191478) (flutter/flutter#191479) 2026-08-31 [email protected] Removes deprecated ignoreSemantics parementers (flutter/flutter#191493) 2026-08-31 [email protected] Roll Dart SDK from b319095e317b to 9164def35347 (1 revision) (flutter/flutter#192073) 2026-08-31 [email protected] test: dynamic _tapOutside helper for TapRegion navigation tests (flutter/flutter#185397) 2026-08-31 [email protected] [Windows] fix: Remove quotes from compiler warning suppression (flutter/flutter#190873) 2026-08-31 [email protected] Migrate to listen package (flutter/flutter#189111) 2026-08-31 [email protected] Roll Skia from 15db98a90bbd to 5489a16a5998 (2 revisions) (flutter/flutter#192070) 2026-08-31 [email protected] Add regression test for plugin compileSdkExtension warning (flutter/flutter#191281) 2026-08-31 [email protected] Explicitly disable HCPP in platform view benchmarks and integration tests (flutter/flutter#191908) 2026-08-31 [email protected] Documentation and script for Gradle Distribution cache for CI (flutter/flutter#190323) 2026-08-31 [email protected] Roll Skia from 5549c93c9a1c to 15db98a90bbd (2 revisions) (flutter/flutter#192068) 2026-08-31 [email protected] Roll Packages from cd4cdd0 to d642322 (7 revisions) (flutter/flutter#192063) 2026-08-31 [email protected] Roll Dart SDK from 48f641e8b249 to b319095e317b (1 revision) (flutter/flutter#192061) 2026-08-31 [email protected] [tool] Migrate dev/tools from dart_skills_lint to skills_lint package (flutter/flutter#191997) If this roll has caused a breakage, revert this CL and stop the roller using the controls here: https://autoroll.skia.org/r/flutter-packages Please CC [email protected] 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

mboetger added 4 commits July 30, 2026 13:15

add gradle cipd creation script

77416f5

add dry run to script

36a8f70

update README

b7752e5

format

b693b1c

github-actions Bot added engine flutter/engine related. See also e: labels. d: docs/ flutter/flutter/docs, for contributors labels Jul 30, 2026

mboetger added 2 commits July 31, 2026 15:40

format

38afa86

update doc

1dcf0d4

mboetger added the CICD Run CI/CD label Aug 13, 2026

mboetger marked this pull request as ready for review August 13, 2026 19:23

mboetger requested review from a team and gmackall and removed request for a team August 13, 2026 19:23

gemini-code-assist Bot reviewed Aug 13, 2026

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mboetger added 2 commits August 13, 2026 12:31

feedback

e69c0fc

isolatedGradleHome nonnullable

8c9aaa6

gmackall previously approved these changes Aug 13, 2026

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mboetger added the autosubmit Merge PR when tree becomes green via auto submit App label Aug 13, 2026

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gmackall and others added 4 commits August 13, 2026 14:28

Merge branch 'master' into gradle-cache-ci

0a89544

Merge branch 'master' into gradle-cache-ci

59b70a5

Merge branch 'master' into gradle-cache-ci

77ef375

remove trailing spaces

585baf2

mboetger dismissed gmackall’s stale review via 585baf2 August 18, 2026 17:13

gmackall previously approved these changes Aug 18, 2026

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mboetger added the autosubmit Merge PR when tree becomes green via auto submit App label Aug 18, 2026

Merge branch 'master' into gradle-cache-ci

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auto-submit Bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Aug 19, 2026

mboetger added 2 commits August 19, 2026 12:57

Merge branch 'master' into gradle-cache-ci

82124e7

Merge branch 'master' into gradle-cache-ci

00e072b

mboetger added the autosubmit Merge PR when tree becomes green via auto submit App label Aug 26, 2026

auto-submit Bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Aug 26, 2026

Add copyright header to generate_gradle_cipd_packages.dart

07cf97b

TAG=agy CONV=78ec070a-72f6-4283-a455-8f21219aa257

mboetger dismissed gmackall’s stale review via 07cf97b August 27, 2026 19:24

gmackall approved these changes Aug 27, 2026

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mboetger added the autosubmit Merge PR when tree becomes green via auto submit App label Aug 31, 2026

auto-submit Bot removed the autosubmit Merge PR when tree becomes green via auto submit App label Aug 31, 2026

auto-submit Bot added this pull request to the merge queue Aug 31, 2026

Merged via the queue into flutter:master with commit e3e6461 Aug 31, 2026
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engine-flutter-autoroll mentioned this pull request Sep 1, 2026

Roll Flutter from c8c5e3bd7542 to 0cbd1a4be0a4 (23 revisions) flutter/packages#12712

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mboetger commented Jul 30, 2026

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