nixpkgs/pkgs/build-support/rust/fetchcargo.nix

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2018-02-04 00:09:00 +00:00
{ stdenv, cacert, git, rust, cargo-vendor }:
{ name ? "cargo-deps", src, srcs, sourceRoot, sha256, cargoUpdateHook ? "" }:
stdenv.mkDerivation {
name = "${name}-vendor";
2018-02-04 00:09:00 +00:00
nativeBuildInputs = [ cacert cargo-vendor git rust.cargo ];
inherit src srcs sourceRoot;
phases = "unpackPhase installPhase";
installPhase = ''
if [[ ! -f Cargo.lock ]]; then
echo
echo "ERROR: The Cargo.lock file doesn't exist"
echo
echo "Cargo.lock is needed to make sure that cargoSha256 doesn't change"
echo "when the registry is updated."
echo
exit 1
fi
export CARGO_HOME=$(mktemp -d cargo-home.XXX)
${cargoUpdateHook}
cargo vendor
cp -ar vendor $out
'';
outputHashAlgo = "sha256";
outputHashMode = "recursive";
outputHash = sha256;
impureEnvVars = stdenv.lib.fetchers.proxyImpureEnvVars;
preferLocalBuild = true;
}