Make Dart pre-commit hook compatible with the latest Dart SDKs - #3507
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Dart introduced sound null safety in version 2.12.0, and as of Dart 3,
null safety is mandatory. Older Dart SDKs allowed both pre-null safety
and null-safe packages, but modern Dart SDKs, where most source code is
null-safe, now reject pre-null safety packages.
The current `pubspec.yaml` template with `sdk: '>=2.10.0'` is
incompatible with recent Dart SDKs, leading to the following error:
An unexpected error has occurred: CalledProcessError: command: ('/path/to/dart-sdk/bin/dart', 'pub', 'get')
return code: 65
stdout:
Resolving dependencies...
stderr:
The lower bound of "sdk: '>=2.10.0'" must be 2.12.0'
or higher to enable null safety.
The current Dart SDK (3.8.3) only supports null safety.
For details, see https://dart.dev/null-safety
To ensure compatibility with the modern Dart ecosystem, this commit
updates the minimum Dart SDK version to 2.12.0 or higher,
which implicitly supports null safety.
Additionally, `testing/get-dart.sh` has been updated to verify that
the pre-commit hook functions correctly with the latest Dart versions.
asottile
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Aug 9, 2025
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tmeijn
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Aug 12, 2025
This MR contains the following updates: | Package | Update | Change | |---|---|---| | [pre-commit](https://github.com/pre-commit/pre-commit) | minor | `4.2.0` -> `4.3.0` | MR created with the help of [el-capitano/tools/renovate-bot](https://gitlab.com/el-capitano/tools/renovate-bot). **Proposed changes to behavior should be submitted there as MRs.** --- ### Release Notes <details> <summary>pre-commit/pre-commit (pre-commit)</summary> ### [`v4.3.0`](https://github.com/pre-commit/pre-commit/blob/HEAD/CHANGELOG.md#430---2025-08-09) [Compare Source](pre-commit/pre-commit@v4.2.0...v4.3.0) \================== ##### Features - `language: docker` / `language: docker_image`: detect rootless docker. - [#​3446](pre-commit/pre-commit#3446) MR by [@​matthewhughes934](https://github.com/matthewhughes934). - [#​1243](pre-commit/pre-commit#1243) issue by [@​dkolepp](https://github.com/dkolepp). - `language: julia`: avoid `startup.jl` when executing hooks. - [#​3496](pre-commit/pre-commit#3496) MR by [@​ericphanson](https://github.com/ericphanson). - `language: dart`: support latest dart versions which require a higher sdk lower bound. - [#​3507](pre-commit/pre-commit#3507) MR by [@​bc-lee](https://github.com/bc-lee). </details> --- ### Configuration 📅 **Schedule**: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined). 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this MR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this MR, check this box --- This MR has been generated by [Renovate Bot](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0MS41OC4yIiwidXBkYXRlZEluVmVyIjoiNDEuNTguMiIsInRhcmdldEJyYW5jaCI6Im1haW4iLCJsYWJlbHMiOlsiUmVub3ZhdGUgQm90Il19-->
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Dart introduced sound null safety in version 2.12.0, and as of Dart 3, null safety is mandatory. Older Dart SDKs allowed both pre-null safety and null-safe packages, but modern Dart SDKs, where most source code is null-safe, now reject pre-null safety packages.
The current pubspec.yaml template with sdk: '>=2.10.0' is incompatible with recent Dart SDKs, leading to the following error:
An unexpected error has occurred: CalledProcessError: command: ('/path/to/dart-sdk/bin/dart', 'pub', 'get') return code: 65 stdout: Resolving dependencies... stderr: The lower bound of "sdk: '>=2.10.0'" must be 2.12.0' or higher to enable null safety. The current Dart SDK (3.8.3) only supports null safety. For details, see https://dart.dev/null-safetyTo ensure compatibility with the modern Dart ecosystem, this commit updates the minimum Dart SDK version to 2.12.0 or higher, which implicitly supports null safety.
Additionally, testing/get-dart.sh has been updated to verify that the pre-commit hook functions correctly with the latest Dart versions.