Moritz 70aa4b3e54
Workspace (#169556)
Reland after https://github.com/flutter/flutter/issues/169844.

Switch Flutter to use pub workspaces as a preparation to unpin selected
packages.

Assumptions:

1. No packages in this repository are published to pub.dev --> We can
use `any` dependencies in most local pubspecs, as the global constraint
defines the version. An exception are the packages used outside of this
repo with an `sdk` dependency, namely `flutter_localizations`,
`flutter_test`, and `flutter`.
2. The "universes" `{flutter_tools}` and `{flutter,
flutter_localizations, flutter_goldens}` can use different packages
versions, as they are not resolved together. --> We do not need to
upgrade them in sync, we can first do one "universe", then the other.

Based on these assumptions, we use
https://github.com/mosuem/pubspec_merger.dart to merge all packages in
the `flutter` universe into a top-level pub workspace.

The `flutter` and `flutter_tools` workspaces being separate also ensures
that changes to `flutter` will not inadvertently break `flutter_tools`,
with not-so-nice consequences for our users which would be unable to run
`flutter upgrade`.

There is a third "top-level" pubspec besides `./pubspec.yaml` and
`packages/flutter_tools/pubspec.yaml`, namely
`packages/flutter_tools/.../widget_preview_scaffold/pubspec.yaml`. This
is an artifact due to it living under `flutter_tools`, so it can't be
part of the `./pubspec.yaml` workspace. Moving it would be a larger
change, and out of the scope of this PR.

This required a rewrite of the update-packages tool, but the main
functionality stays the same, as well as the argument names, to ensure a
seamless transition.

## 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
2025-06-03 08:48:14 +00:00

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YAML

name: microbenchmarks
description: Small benchmarks for very specific parts of the Flutter framework.
environment:
sdk: ^3.7.0-0
resolution: workspace
dependencies:
flutter:
sdk: flutter
flutter_test:
sdk: flutter
stocks:
path: ../test_apps/stocks
args: any
flutter:
uses-material-design: true
assets:
- money_asset_manifest.json
- packages/flutter_gallery_assets/people/ali_landscape.png
- packages/flutter_gallery_assets/monochrome/red-square-1024x1024.png
- packages/flutter_gallery_assets/logos/flutter_white/logo.png
- packages/flutter_gallery_assets/logos/fortnightly/fortnightly_logo.png
- packages/flutter_gallery_assets/videos/bee.mp4
- packages/flutter_gallery_assets/videos/butterfly.mp4
- packages/flutter_gallery_assets/animated_images/animated_flutter_lgtm.gif
- packages/flutter_gallery_assets/animated_images/animated_flutter_stickers.webp
- packages/flutter_gallery_assets/food/butternut_squash_soup.png
- packages/flutter_gallery_assets/food/cherry_pie.png
- packages/flutter_gallery_assets/food/chopped_beet_leaves.png
- packages/flutter_gallery_assets/food/fruits.png
- packages/flutter_gallery_assets/food/pesto_pasta.png
- packages/flutter_gallery_assets/food/roasted_chicken.png
- packages/flutter_gallery_assets/food/spanakopita.png
- packages/flutter_gallery_assets/food/spinach_onion_salad.png
- packages/flutter_gallery_assets/food/icons/fish.png
- packages/flutter_gallery_assets/food/icons/healthy.png
- packages/flutter_gallery_assets/food/icons/main.png
- packages/flutter_gallery_assets/food/icons/meat.png
- packages/flutter_gallery_assets/food/icons/quick.png
- packages/flutter_gallery_assets/food/icons/spicy.png
- packages/flutter_gallery_assets/food/icons/veggie.png
- packages/flutter_gallery_assets/logos/pesto/logo_small.png
- packages/flutter_gallery_assets/places/india_chennai_flower_market.png
- packages/flutter_gallery_assets/places/india_thanjavur_market.png
- packages/flutter_gallery_assets/places/india_tanjore_bronze_works.png
- packages/flutter_gallery_assets/places/india_tanjore_market_merchant.png
- packages/flutter_gallery_assets/places/india_tanjore_thanjavur_temple.png
- packages/flutter_gallery_assets/places/india_pondicherry_salt_farm.png
- packages/flutter_gallery_assets/places/india_chennai_highway.png
- packages/flutter_gallery_assets/places/india_chettinad_silk_maker.png
- packages/flutter_gallery_assets/places/india_tanjore_thanjavur_temple_carvings.png
- packages/flutter_gallery_assets/places/india_chettinad_produce.png
- packages/flutter_gallery_assets/places/india_tanjore_market_technology.png
- packages/flutter_gallery_assets/places/india_pondicherry_beach.png
- packages/flutter_gallery_assets/places/india_pondicherry_fisherman.png
- packages/flutter_gallery_assets/products/backpack.png
- packages/flutter_gallery_assets/products/belt.png
- packages/flutter_gallery_assets/products/cup.png
- packages/flutter_gallery_assets/products/deskset.png
- packages/flutter_gallery_assets/products/dress.png
- packages/flutter_gallery_assets/products/earrings.png
- packages/flutter_gallery_assets/products/flatwear.png
- packages/flutter_gallery_assets/products/hat.png
- packages/flutter_gallery_assets/products/jacket.png
- packages/flutter_gallery_assets/products/jumper.png
- packages/flutter_gallery_assets/products/kitchen_quattro.png
- packages/flutter_gallery_assets/products/napkins.png
- packages/flutter_gallery_assets/products/planters.png
- packages/flutter_gallery_assets/products/platter.png
- packages/flutter_gallery_assets/products/scarf.png
- packages/flutter_gallery_assets/products/shirt.png
- packages/flutter_gallery_assets/products/sunnies.png
- packages/flutter_gallery_assets/products/sweater.png
- packages/flutter_gallery_assets/products/sweats.png
- packages/flutter_gallery_assets/products/table.png
- packages/flutter_gallery_assets/products/teaset.png
- packages/flutter_gallery_assets/products/top.png
- packages/flutter_gallery_assets/people/square/ali.png
- packages/flutter_gallery_assets/people/square/peter.png
- packages/flutter_gallery_assets/people/square/sandra.png
- packages/flutter_gallery_assets/people/square/stella.png
- packages/flutter_gallery_assets/people/square/trevor.png
# PUBSPEC CHECKSUM: vrfq3l