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rustPlatform.fetchCargoTarball: use sparse protocol for crates.io

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zowoq 2023-03-22 10:48:11 +10:00
parent 91c36201aa
commit 9861cf4a7f
1 changed files with 4 additions and 0 deletions
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pkgs/build-support/rust/fetch-cargo-tarball/default.nix
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@ -62,6 +62,10 @@ in stdenv.mkDerivation ({
export CARGO_HOME=$(mktemp -d cargo-home.XXX)
CARGO_CONFIG=$(mktemp cargo-config.XXXX)
# https://blog.rust-lang.org/2023/03/09/Rust-1.68.0.html#cargos-sparse-protocol
# planned to become the default in 1.70
export CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse
if [[ -n "$NIX_CRATES_INDEX" ]]; then
cat >$CARGO_HOME/config.toml <<EOF
[source.crates-io]