Slightly optimize cargo vendor
#8937
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I've noticed recently that `cargo vendor` feels really sluggish and slow, and apparently this is primarily because we delete the registry caches and re-extract all the tarballs. This commit implements one possible optimization without changing this, however, which is that currently we both copy a file and checksum it, but that ends up reading all the contents twice. Those two functions are now folded into one, shaving about 3s locally from Cargo's own vendor times.
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Seams good. |
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📌 Commit 01f1c01 has been approved by |
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☀️ Test successful - checks-actions |
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Update cargo 10 commits in 63d0fe43449adcb316d34d98a982b597faca4178..d274fcf862b89264fa2c6b917b15230705257317 2020-12-02 01:44:30 +0000 to 2020-12-07 23:08:44 +0000 - Clarify cargo manifest edition field docs (rust-lang/cargo#8953) - Run rustdoc doctests relative to the workspace (rust-lang/cargo#8954) - Workaround fs issue in `cargo publish`. (rust-lang/cargo#8950) - Fix panic with -Zbuild-std and no roots. (rust-lang/cargo#8942) - Slightly optimize `cargo vendor` (rust-lang/cargo#8937) - Fixes rust-lang/cargo#8783 , cargo new fails without a author name or email (rust-lang/cargo#8912) - Fix test escaping __CARGO_TEST_ROOT (rust-lang/cargo#8929) - Add period to allowed feature name characters. (rust-lang/cargo#8932) - faq: small fixes (rust-lang/cargo#8931) - Fix semver documentation tests. (rust-lang/cargo#8930)
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Rust 1.50.0 incorporated a Cargo change (rust-lang/cargo#8937) in which cargo vendor erroneously changed permissions of vendored crates. This was fixed in Rust 1.51.0 (rust-lang/cargo#9131). Unfortunately, this means that all cargoSha256/cargoHashes produced during the Rust 1.50.0 cycle are potentially broken. This change updates cargoSha256/cargoHash tree-wide. Fixes NixOS#121994.
jonringer
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May 8, 2021
Rust 1.50.0 incorporated a Cargo change (rust-lang/cargo#8937) in which cargo vendor erroneously changed permissions of vendored crates. This was fixed in Rust 1.51.0 (rust-lang/cargo#9131). Unfortunately, this means that all cargoSha256/cargoHashes produced during the Rust 1.50.0 cycle are potentially broken. This change updates cargoSha256/cargoHash tree-wide. Fixes #121994.
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I've noticed recently that
cargo vendorfeels really sluggish andslow, and apparently this is primarily because we delete the registry
caches and re-extract all the tarballs. This commit implements one
possible optimization without changing this, however, which is that
currently we both copy a file and checksum it, but that ends up reading
all the contents twice. Those two functions are now folded into one,
shaving about 3s locally from Cargo's own vendor times.