tree 1d0241cbcc95e97c43ae2e31faad85a5401f7f30
parent 225d0a8b4e16caefbba8841603b988d515036c65
author Googler <messa@google.com> 1729277554 -0700
committer Copybara-Service <copybara-worker@google.com> 1729277647 -0700

Use base target's toolchain context to resolve its dependencies during aspect propagation

The toolchain context of the aspect is currently used to configure the dependencies of the base target, which is incorrect and results into a number of issues due to missing execution groups or different ones being picked up.

This CL modifies `AspectFunction` to always prepare the `baseTargetUnloadedToolchainContexts` and pass it to `PrerequisiteParameters`. `PrerequisiteParameters#baseTargetUnloadedToolchainContexts` is then used for the target's dependencies while `PrerequisiteParameters#toolchainContexts` continues to be used for the aspect owned dependencies.

The base target toolchains and execution groups will not be available in the aspect implementation function via `ctx.rule.toolchains` and `ctx.rule.exec_groups` unless the aspects path propagates to toolchains.

PiperOrigin-RevId: 687376763
Change-Id: I78167bab7f8648e5855178d5dbcc3fcb02357a38