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run-make-support: assert_dirs_are_equal traverses symlinks #135037

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jieyouxu opened this issue Jan 2, 2025 · 2 comments
Open

run-make-support: assert_dirs_are_equal traverses symlinks #135037

jieyouxu opened this issue Jan 2, 2025 · 2 comments
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A-run-make Area: port run-make Makefiles to rmake.rs C-bug Category: This is a bug. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.

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@jieyouxu
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jieyouxu commented Jan 2, 2025

assert_dirs_are_equal will try to read the file content behind symlinks, which is not necessarily the desired behavior. Either we should make it configurable, or avoid traversing symlinks.

@jieyouxu jieyouxu added A-run-make Area: port run-make Makefiles to rmake.rs C-bug Category: This is a bug. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jan 2, 2025
@rustbot rustbot added the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Jan 2, 2025
@jieyouxu jieyouxu removed the needs-triage This issue may need triage. Remove it if it has been sufficiently triaged. label Jan 2, 2025
@ChrisDenton
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It makes sense to me not to traverse symlinks by default. But some people aren't me.

In any case, either behaviour can be reasonable depending on the test so I'd vote for making it configurable.

@jieyouxu
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jieyouxu commented Jan 2, 2025

Note: this should also have some basic sanity self-test coverage.

matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Jan 3, 2025
…r-errors

run-make-support: adjust assertion printing, add some basic sanity checks

cc `@Noratrieb`

I think we may have unintentionally regressed this recently and double-printed (or printed even when the assertions didn't fail). This PR should condition the detail dumps only when the assertions fail.

Added some basic sanity checks for the assertions helpers except for the directory comparisons. That particular helper is not robust against symlinks, and I intend to address it in a follow-up (issue is rust-lang#135037).

r? bootstrap (or compiler)
matthiaskrgr added a commit to matthiaskrgr/rust that referenced this issue Jan 3, 2025
…r-errors

run-make-support: adjust assertion printing, add some basic sanity checks

cc ``@Noratrieb``

I think we may have unintentionally regressed this recently and double-printed (or printed even when the assertions didn't fail). This PR should condition the detail dumps only when the assertions fail.

Added some basic sanity checks for the assertions helpers except for the directory comparisons. That particular helper is not robust against symlinks, and I intend to address it in a follow-up (issue is rust-lang#135037).

r? bootstrap (or compiler)
rust-timer added a commit to rust-lang-ci/rust that referenced this issue Jan 4, 2025
Rollup merge of rust-lang#135036 - jieyouxu:rmake-be-quiet, r=compiler-errors

run-make-support: adjust assertion printing, add some basic sanity checks

cc ``@Noratrieb``

I think we may have unintentionally regressed this recently and double-printed (or printed even when the assertions didn't fail). This PR should condition the detail dumps only when the assertions fail.

Added some basic sanity checks for the assertions helpers except for the directory comparisons. That particular helper is not robust against symlinks, and I intend to address it in a follow-up (issue is rust-lang#135037).

r? bootstrap (or compiler)
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Labels
A-run-make Area: port run-make Makefiles to rmake.rs C-bug Category: This is a bug. T-bootstrap Relevant to the bootstrap subteam: Rust's build system (x.py and src/bootstrap) T-compiler Relevant to the compiler team, which will review and decide on the PR/issue.
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