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The big additions here are:

  1. Checking against the catalog of known licenses
  2. Parsing of the known catalogs from disk
  3. Nicer error messages

With this PR we are getting pretty close to feature parity. The big changes left are updating the contents of of the data directory so we match what we want. Execution across the directory is still around 35s.

Known extra work:

  1. Propagate the data directory
  2. Make sure the auditable output is looking as we want it
  3. Make sure to treat the root directory different where we want to enforce the presence of the file copyright
  4. Remove hardcoded name "engine" for the root directory (that means shifting all the integration tests to run in a engine directory.
  5. Maybe cleanup the file format for the known licenses?

Pre-launch Checklist

If you need help, consider asking for advice on the #hackers-new channel on Discord.

@github-actions github-actions bot added the engine flutter/engine related. See also e: labels. label Jun 16, 2025
@gaaclarke
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@matanlurey @jonahwilliams friendly ping

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LGTM

@gaaclarke gaaclarke added this pull request to the merge queue Jun 18, 2025
Merged via the queue into flutter:master with commit 556b20e Jun 18, 2025
175 checks passed
@gaaclarke gaaclarke deleted the license_cpp_jun16 branch June 18, 2025 21:16
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jun 19, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jun 19, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Jun 19, 2025
auto-submit bot pushed a commit to flutter/packages that referenced this pull request Jun 19, 2025
Roll Flutter from 8303a96a0a99 to 85a9b4f38906 (93 revisions)

flutter/flutter@8303a96...85a9b4f

2025-06-19 [email protected] Roll Skia from af242598f14d to 794936b23812 (2 revisions) (flutter/flutter#170875)
2025-06-19 [email protected] Drop support for 21/22 Lollipop (flutter/flutter#170748)
2025-06-19 [email protected] Roll Dart SDK from 6020126c10e8 to bce9abe03175 (1 revision) (flutter/flutter#170872)
2025-06-19 [email protected] Roll Skia from df97f7f407db to af242598f14d (4 revisions) (flutter/flutter#170867)
2025-06-19 [email protected] Roll Skia from 1d8f7ebd23cc to df97f7f407db (5 revisions) (flutter/flutter#170864)
2025-06-19 [email protected] Roll Dart SDK from 4ab716b09e9d to 6020126c10e8 (1 revision) (flutter/flutter#170862)
2025-06-19 [email protected] Roll Skia from 291d41414fa7 to 1d8f7ebd23cc (2 revisions) (flutter/flutter#170857)
2025-06-19 [email protected] Roll Dart SDK from b32559bca3cc to 4ab716b09e9d (9 revisions) (flutter/flutter#170855)
2025-06-19 [email protected] remove --start-paused flag by default and set useDwdsWebSocketConnect… (flutter/flutter#170612)
2025-06-18 [email protected] Engine builders no longer require `is_fusion` (flutter/flutter#170849)
2025-06-18 [email protected] Roll Skia from 5f110d5f48a3 to 291d41414fa7 (2 revisions) (flutter/flutter#170836)
2025-06-18 [email protected] Use a shared vertex buffer for rendering layers. (flutter/flutter#170717)
2025-06-18 [email protected] fixes deeplinking in uiscenedelegate migrated projects (flutter/flutter#170452)
2025-06-18 [email protected] [Impeller] fix array uniforms on GLES backend. (flutter/flutter#170710)
2025-06-18 [email protected] [Impeller] Update README to add section about custom embedders. (flutter/flutter#170077)
2025-06-18 [email protected] Escape the forbidden strings in the regex used to check test command output (flutter/flutter#170702)
2025-06-18 [email protected] License cpp jun16 (flutter/flutter#170716)
2025-06-18 [email protected] Work around newer compilers requiring the satisfaction of three-way comparison of EncodableValue. (flutter/flutter#170822)
2025-06-18 [email protected] Update didUnmountRenderObject text description (flutter/flutter#169628)
2025-06-18 [email protected] Roll Skia from 297dbc32a6c7 to 5f110d5f48a3 (2 revisions) (flutter/flutter#170821)
2025-06-18 [email protected] Add an initial "Using feature flags" doc for the team. (flutter/flutter#170767)
2025-06-18 [email protected] Feat: Add mouse cursor for CupertinoDialogAction (flutter/flutter#169051)
2025-06-18 [email protected] Update `Engine-artifacts.md` to reflect flutter/cocoon/4785 (flutter/flutter#170751)
2025-06-18 [email protected] `CupertinoPicker` new onChanged behaviour (flutter/flutter#170202)
2025-06-18 [email protected] Rename `entryPointBaseUrl` to `entrypointBaseUrl` (flutter/flutter#170166)
2025-06-18 [email protected] Roll Skia from 1cb13a21b547 to 297dbc32a6c7 (4 revisions) (flutter/flutter#170809)
2025-06-18 [email protected] Roll Packages from 25d4fa4 to 715a0a5 (2 revisions) (flutter/flutter#170808)
2025-06-18 [email protected] Roll Skia from 0a106c038cd0 to 1cb13a21b547 (1 revision) (flutter/flutter#170801)
2025-06-18 [email protected] Add `--profile-microtasks` switch (flutter/flutter#170690)
2025-06-18 [email protected] Roll Skia from ff7fffa5dac5 to 0a106c038cd0 (3 revisions) (flutter/flutter#170795)
2025-06-18 [email protected] Add example for CupertinoExpansionTile transition modes (flutter/flutter#170335)
2025-06-18 [email protected] feat: Add radius to DividerThemeData. (flutter/flutter#169739)
2025-06-18 [email protected] Roll Skia from 75af9450b121 to ff7fffa5dac5 (3 revisions) (flutter/flutter#170772)
2025-06-17 98614782+auto-submit[bot]@users.noreply.github.com Reverts "add run_gradle_lock_files_check.dart for new PR's that modify gradle files (#169245)" (flutter/flutter#170770)
2025-06-17 [email protected] Started bridging the scene delegate to the lifecycle delegate for shortcuts (flutter/flutter#170180)
2025-06-17 [email protected] [ui] npot display_list allocation. (flutter/flutter#170447)
2025-06-17 [email protected] Prefer .of over .from (flutter/flutter#170750)
2025-06-17 [email protected] Fix RawGestureDetector semantics (flutter/flutter#170549)
2025-06-17 [email protected] Use correct type for filterIdentifier (flutter/flutter#170343)
2025-06-17 [email protected] Remove and inline `license_header.txt` (flutter/flutter#170475)
2025-06-17 [email protected] add run_gradle_lock_files_check.dart for new PR's that modify gradle files (flutter/flutter#169245)
2025-06-17 [email protected] Roll Dart SDK from 4fad61257b29 to b32559bca3cc (3 revisions) (flutter/flutter#170746)
2025-06-17 [email protected] [release] Sync stable changelog to master (flutter/flutter#170691)
2025-06-17 [email protected] Roll Packages from 03a6abb to 25d4fa4 (5 revisions) (flutter/flutter#170743)
2025-06-17 [email protected] [ Widget Preview ] Remove support for synthetic package:flutter_gen (flutter/flutter#170602)
2025-06-17 [email protected] Roll Skia from 8879db3b3319 to 75af9450b121 (4 revisions) (flutter/flutter#170739)
...
Ortes pushed a commit to Ortes/packages that referenced this pull request Jun 25, 2025
…r#9457)

Roll Flutter from 8303a96a0a99 to 85a9b4f38906 (93 revisions)

flutter/flutter@8303a96...85a9b4f

2025-06-19 [email protected] Roll Skia from af242598f14d to 794936b23812 (2 revisions) (flutter/flutter#170875)
2025-06-19 [email protected] Drop support for 21/22 Lollipop (flutter/flutter#170748)
2025-06-19 [email protected] Roll Dart SDK from 6020126c10e8 to bce9abe03175 (1 revision) (flutter/flutter#170872)
2025-06-19 [email protected] Roll Skia from df97f7f407db to af242598f14d (4 revisions) (flutter/flutter#170867)
2025-06-19 [email protected] Roll Skia from 1d8f7ebd23cc to df97f7f407db (5 revisions) (flutter/flutter#170864)
2025-06-19 [email protected] Roll Dart SDK from 4ab716b09e9d to 6020126c10e8 (1 revision) (flutter/flutter#170862)
2025-06-19 [email protected] Roll Skia from 291d41414fa7 to 1d8f7ebd23cc (2 revisions) (flutter/flutter#170857)
2025-06-19 [email protected] Roll Dart SDK from b32559bca3cc to 4ab716b09e9d (9 revisions) (flutter/flutter#170855)
2025-06-19 [email protected] remove --start-paused flag by default and set useDwdsWebSocketConnect… (flutter/flutter#170612)
2025-06-18 [email protected] Engine builders no longer require `is_fusion` (flutter/flutter#170849)
2025-06-18 [email protected] Roll Skia from 5f110d5f48a3 to 291d41414fa7 (2 revisions) (flutter/flutter#170836)
2025-06-18 [email protected] Use a shared vertex buffer for rendering layers. (flutter/flutter#170717)
2025-06-18 [email protected] fixes deeplinking in uiscenedelegate migrated projects (flutter/flutter#170452)
2025-06-18 [email protected] [Impeller] fix array uniforms on GLES backend. (flutter/flutter#170710)
2025-06-18 [email protected] [Impeller] Update README to add section about custom embedders. (flutter/flutter#170077)
2025-06-18 [email protected] Escape the forbidden strings in the regex used to check test command output (flutter/flutter#170702)
2025-06-18 [email protected] License cpp jun16 (flutter/flutter#170716)
2025-06-18 [email protected] Work around newer compilers requiring the satisfaction of three-way comparison of EncodableValue. (flutter/flutter#170822)
2025-06-18 [email protected] Update didUnmountRenderObject text description (flutter/flutter#169628)
2025-06-18 [email protected] Roll Skia from 297dbc32a6c7 to 5f110d5f48a3 (2 revisions) (flutter/flutter#170821)
2025-06-18 [email protected] Add an initial "Using feature flags" doc for the team. (flutter/flutter#170767)
2025-06-18 [email protected] Feat: Add mouse cursor for CupertinoDialogAction (flutter/flutter#169051)
2025-06-18 [email protected] Update `Engine-artifacts.md` to reflect flutter/cocoon/4785 (flutter/flutter#170751)
2025-06-18 [email protected] `CupertinoPicker` new onChanged behaviour (flutter/flutter#170202)
2025-06-18 [email protected] Rename `entryPointBaseUrl` to `entrypointBaseUrl` (flutter/flutter#170166)
2025-06-18 [email protected] Roll Skia from 1cb13a21b547 to 297dbc32a6c7 (4 revisions) (flutter/flutter#170809)
2025-06-18 [email protected] Roll Packages from 25d4fa4 to 715a0a5 (2 revisions) (flutter/flutter#170808)
2025-06-18 [email protected] Roll Skia from 0a106c038cd0 to 1cb13a21b547 (1 revision) (flutter/flutter#170801)
2025-06-18 [email protected] Add `--profile-microtasks` switch (flutter/flutter#170690)
2025-06-18 [email protected] Roll Skia from ff7fffa5dac5 to 0a106c038cd0 (3 revisions) (flutter/flutter#170795)
2025-06-18 [email protected] Add example for CupertinoExpansionTile transition modes (flutter/flutter#170335)
2025-06-18 [email protected] feat: Add radius to DividerThemeData. (flutter/flutter#169739)
2025-06-18 [email protected] Roll Skia from 75af9450b121 to ff7fffa5dac5 (3 revisions) (flutter/flutter#170772)
2025-06-17 98614782+auto-submit[bot]@users.noreply.github.com Reverts "add run_gradle_lock_files_check.dart for new PR's that modify gradle files (#169245)" (flutter/flutter#170770)
2025-06-17 [email protected] Started bridging the scene delegate to the lifecycle delegate for shortcuts (flutter/flutter#170180)
2025-06-17 [email protected] [ui] npot display_list allocation. (flutter/flutter#170447)
2025-06-17 [email protected] Prefer .of over .from (flutter/flutter#170750)
2025-06-17 [email protected] Fix RawGestureDetector semantics (flutter/flutter#170549)
2025-06-17 [email protected] Use correct type for filterIdentifier (flutter/flutter#170343)
2025-06-17 [email protected] Remove and inline `license_header.txt` (flutter/flutter#170475)
2025-06-17 [email protected] add run_gradle_lock_files_check.dart for new PR's that modify gradle files (flutter/flutter#169245)
2025-06-17 [email protected] Roll Dart SDK from 4fad61257b29 to b32559bca3cc (3 revisions) (flutter/flutter#170746)
2025-06-17 [email protected] [release] Sync stable changelog to master (flutter/flutter#170691)
2025-06-17 [email protected] Roll Packages from 03a6abb to 25d4fa4 (5 revisions) (flutter/flutter#170743)
2025-06-17 [email protected] [ Widget Preview ] Remove support for synthetic package:flutter_gen (flutter/flutter#170602)
2025-06-17 [email protected] Roll Skia from 8879db3b3319 to 75af9450b121 (4 revisions) (flutter/flutter#170739)
...
mboetger pushed a commit to mboetger/flutter that referenced this pull request Jul 21, 2025
The big additions here are:
1) Checking against the catalog of known licenses
1) Parsing of the known catalogs from disk
1) Nicer error messages

With this PR we are getting pretty close to feature parity. The big
changes left are updating the contents of of the data directory so we
match what we want. Execution across the directory is still around 35s.

Known extra work:
1) Propagate the `data` directory
1) Make sure the auditable output is looking as we want it
1) Make sure to treat the root directory different where we want to
enforce the presence of the file copyright
1) Remove hardcoded name "engine" for the root directory (that means
shifting all the integration tests to run in a `engine` directory.
1) Maybe cleanup the file format for the known licenses?

## Pre-launch Checklist

- [x] I read the [Contributor Guide] and followed the process outlined
there for submitting PRs.
- [x] I read the [Tree Hygiene] wiki page, which explains my
responsibilities.
- [x] I read and followed the [Flutter Style Guide], including [Features
we expect every widget to implement].
- [x] I signed the [CLA].
- [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].

<!-- Links -->
[Contributor Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#overview
[Tree Hygiene]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md
[test-exempt]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#tests
[Flutter Style Guide]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md
[Features we expect every widget to implement]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Style-guide-for-Flutter-repo.md#features-we-expect-every-widget-to-implement
[CLA]: https://cla.developers.google.com/
[flutter/tests]: https://github.com/flutter/tests
[breaking change policy]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Tree-hygiene.md#handling-breaking-changes
[Discord]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Chat.md
[Data Driven Fixes]:
https://github.com/flutter/flutter/blob/main/docs/contributing/Data-driven-Fixes.md
vashworth pushed a commit to vashworth/packages that referenced this pull request Jul 30, 2025
…r#9457)

Roll Flutter from 8303a96a0a99 to 85a9b4f38906 (93 revisions)

flutter/flutter@8303a96...85a9b4f

2025-06-19 [email protected] Roll Skia from af242598f14d to 794936b23812 (2 revisions) (flutter/flutter#170875)
2025-06-19 [email protected] Drop support for 21/22 Lollipop (flutter/flutter#170748)
2025-06-19 [email protected] Roll Dart SDK from 6020126c10e8 to bce9abe03175 (1 revision) (flutter/flutter#170872)
2025-06-19 [email protected] Roll Skia from df97f7f407db to af242598f14d (4 revisions) (flutter/flutter#170867)
2025-06-19 [email protected] Roll Skia from 1d8f7ebd23cc to df97f7f407db (5 revisions) (flutter/flutter#170864)
2025-06-19 [email protected] Roll Dart SDK from 4ab716b09e9d to 6020126c10e8 (1 revision) (flutter/flutter#170862)
2025-06-19 [email protected] Roll Skia from 291d41414fa7 to 1d8f7ebd23cc (2 revisions) (flutter/flutter#170857)
2025-06-19 [email protected] Roll Dart SDK from b32559bca3cc to 4ab716b09e9d (9 revisions) (flutter/flutter#170855)
2025-06-19 [email protected] remove --start-paused flag by default and set useDwdsWebSocketConnect… (flutter/flutter#170612)
2025-06-18 [email protected] Engine builders no longer require `is_fusion` (flutter/flutter#170849)
2025-06-18 [email protected] Roll Skia from 5f110d5f48a3 to 291d41414fa7 (2 revisions) (flutter/flutter#170836)
2025-06-18 [email protected] Use a shared vertex buffer for rendering layers. (flutter/flutter#170717)
2025-06-18 [email protected] fixes deeplinking in uiscenedelegate migrated projects (flutter/flutter#170452)
2025-06-18 [email protected] [Impeller] fix array uniforms on GLES backend. (flutter/flutter#170710)
2025-06-18 [email protected] [Impeller] Update README to add section about custom embedders. (flutter/flutter#170077)
2025-06-18 [email protected] Escape the forbidden strings in the regex used to check test command output (flutter/flutter#170702)
2025-06-18 [email protected] License cpp jun16 (flutter/flutter#170716)
2025-06-18 [email protected] Work around newer compilers requiring the satisfaction of three-way comparison of EncodableValue. (flutter/flutter#170822)
2025-06-18 [email protected] Update didUnmountRenderObject text description (flutter/flutter#169628)
2025-06-18 [email protected] Roll Skia from 297dbc32a6c7 to 5f110d5f48a3 (2 revisions) (flutter/flutter#170821)
2025-06-18 [email protected] Add an initial "Using feature flags" doc for the team. (flutter/flutter#170767)
2025-06-18 [email protected] Feat: Add mouse cursor for CupertinoDialogAction (flutter/flutter#169051)
2025-06-18 [email protected] Update `Engine-artifacts.md` to reflect flutter/cocoon/4785 (flutter/flutter#170751)
2025-06-18 [email protected] `CupertinoPicker` new onChanged behaviour (flutter/flutter#170202)
2025-06-18 [email protected] Rename `entryPointBaseUrl` to `entrypointBaseUrl` (flutter/flutter#170166)
2025-06-18 [email protected] Roll Skia from 1cb13a21b547 to 297dbc32a6c7 (4 revisions) (flutter/flutter#170809)
2025-06-18 [email protected] Roll Packages from 25d4fa4 to 715a0a5 (2 revisions) (flutter/flutter#170808)
2025-06-18 [email protected] Roll Skia from 0a106c038cd0 to 1cb13a21b547 (1 revision) (flutter/flutter#170801)
2025-06-18 [email protected] Add `--profile-microtasks` switch (flutter/flutter#170690)
2025-06-18 [email protected] Roll Skia from ff7fffa5dac5 to 0a106c038cd0 (3 revisions) (flutter/flutter#170795)
2025-06-18 [email protected] Add example for CupertinoExpansionTile transition modes (flutter/flutter#170335)
2025-06-18 [email protected] feat: Add radius to DividerThemeData. (flutter/flutter#169739)
2025-06-18 [email protected] Roll Skia from 75af9450b121 to ff7fffa5dac5 (3 revisions) (flutter/flutter#170772)
2025-06-17 98614782+auto-submit[bot]@users.noreply.github.com Reverts "add run_gradle_lock_files_check.dart for new PR's that modify gradle files (#169245)" (flutter/flutter#170770)
2025-06-17 [email protected] Started bridging the scene delegate to the lifecycle delegate for shortcuts (flutter/flutter#170180)
2025-06-17 [email protected] [ui] npot display_list allocation. (flutter/flutter#170447)
2025-06-17 [email protected] Prefer .of over .from (flutter/flutter#170750)
2025-06-17 [email protected] Fix RawGestureDetector semantics (flutter/flutter#170549)
2025-06-17 [email protected] Use correct type for filterIdentifier (flutter/flutter#170343)
2025-06-17 [email protected] Remove and inline `license_header.txt` (flutter/flutter#170475)
2025-06-17 [email protected] add run_gradle_lock_files_check.dart for new PR's that modify gradle files (flutter/flutter#169245)
2025-06-17 [email protected] Roll Dart SDK from 4fad61257b29 to b32559bca3cc (3 revisions) (flutter/flutter#170746)
2025-06-17 [email protected] [release] Sync stable changelog to master (flutter/flutter#170691)
2025-06-17 [email protected] Roll Packages from 03a6abb to 25d4fa4 (5 revisions) (flutter/flutter#170743)
2025-06-17 [email protected] [ Widget Preview ] Remove support for synthetic package:flutter_gen (flutter/flutter#170602)
2025-06-17 [email protected] Roll Skia from 8879db3b3319 to 75af9450b121 (4 revisions) (flutter/flutter#170739)
...
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Aug 14, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Aug 14, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Aug 15, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Aug 15, 2025
engine-flutter-autoroll added a commit to engine-flutter-autoroll/packages that referenced this pull request Aug 16, 2025
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