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These are the default package set required by opt-dist to correctly work, hence for people wanting to build a production grade of rustc in a sandboxed / air-gapped environment, these need to be vendored. The size of `rustc-src-nightly.tar.xz` before and after this change: * Before: 298M * After: 323M (+8%) These crates are the default set of packages required by opt-dist to correctly work, hence for people wanting to build a production grade of rustc in an sandboxed / air-gapped environment, these need to be vendored. The size of `rustc-src-nightly.tar.xz` before and after this change: * Before: 298M * After: 323M (+8%) Size change might or might not be a concern. See the previous discussion: https://github.com/rust-lang/rust/pull/125166#issuecomment-2113626468 Previous efforts on making: * https://github.com/rust-lang/rust/pull/125125 * https://github.com/rust-lang/rust/pull/125166 --- Note that extra works still need to be done to make it fully vendored. * The current pinned rustc-perf uses `tempfile::Tempdir` as the working directory when collecting profiles from some of these packages. This "tmp" working directory usage make it impossible for Cargo to pick up the correct vendor sources setting in `.cargo/config.toml` bundled in the rustc-src tarball. [^1] * opt-dist verifies the final built rustc against a subset of rustc test suite. However it rolls out its own `config.toml` without setting `vendor = true`, and that results in `./vendor/` directory removed. [^2] [^1]: |
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Types and functions shared across tools in this workspace.