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Matthias Krüger
c7a17656a0
fix(opt-dist): respect existing config.toml This is another step toward making opt-dist work in sandboxed environments. See also <https://github.com/rust-lang/rust/pull/125465>. opt-dist verifies the final built rustc against a subset of rustc test suite. However it overwrote the pre-existing `config.toml` [^1], and that results in ./vendor/ directory removed [^2]. Instead of overwriting, this patch use `--set <config-value>` to override paths to rustc / cargo / llvm-config. [^1]: https://github.com/rust-lang/rust/blob/606afbb617a2949a4e35c4b0258ff94c980b9451/src/tools/opt-dist/src/tests.rs#L62-L77 [^2]: https://github.com/rust-lang/rust/blob/8679004993f08807289911d9f400f4ac4391d2bc/src/bootstrap/bootstrap.py#L1057