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Allow building the source tarballs while offline #157014

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Merged
rust-bors merged 1 commit into from
May 28, 2026
+14 −0
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Allow building the source tarballs while offline #157014

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14 changes: 14 additions & 0 deletions src/bootstrap/src/core/build_steps/vendor.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,13 @@ impl Step for Vendor {
cmd.arg("--sync").arg(sync_arg);
}

// Reuse vendored dependencies when building source tarball for offline support.
if builder.config.vendor {
cmd.arg("--respect-source-config")
.arg("--config")
.arg(builder.src.join(".cargo").join("config.toml"));
}

// Will read the libstd Cargo.toml
// which uses the unstable `public-dependency` feature.
cmd.env("RUSTC_BOOTSTRAP", "1");
Expand All @@ -135,6 +142,13 @@ impl Step for Vendor {
cmd.arg("--versioned-dirs");
}

// Reuse vendored dependencies when building source tarball for offline support.
if builder.config.vendor {
cmd.arg("--respect-source-config")
.arg("--config")
.arg(builder.src.join("library").join(".cargo").join("config.toml"));
}

// Will read the libstd Cargo.toml
// which uses the unstable `public-dependency` feature.
cmd.env("RUSTC_BOOTSTRAP", "1");
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