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fa6b70658e
ci: add a pr builder to test tools when submodules are updated This PR adds the x86_64-gnu-tools builders to PRs where submodules are updated. Since it's not possible to *start* the builder only when submodule changes are detected, I opted into adding a "decider" task at the start of the job which sets the `SKIP_JOB` environment variable when submodules are not updated, and I gated the most time-consuming tasks (the actual build and artifacts upload) on the variable not being there. All of this is conditionally included in the `steps/run.yml` only when a template parameter is present, so it should only affect that builder on PRs. The cost for this should be a dummy builder running for 2/3 minutes for each PR, and we should be able to handle it. Fixes https://github.com/rust-lang/rust/issues/61837 r? @alexcrichton |
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| steps | ||
| auto.yml | ||
| master.yml | ||
| pr.yml | ||
| try.yml | ||