nixpkgs-suyu/pkgs/build-support/rust/fetchcargo.nix
zimbatm 0af2c5891b rust: store the cargo-vendor config
cargo-vendor generates almost the right cargo config. Store it with the
vendored files and patch it on use.

This allows to re-use the generated config when using git dependencies.
2018-01-09 03:37:53 +01:00

42 lines
1.2 KiB
Nix

{ stdenv, cacert, git, rust, cargoVendor }:
{ name ? "cargo-deps", src, srcs, sourceRoot, sha256, cargoUpdateHook ? "" }:
stdenv.mkDerivation {
name = "${name}-vendor";
buildInputs = [ cacert cargoVendor git rust.cargo ];
inherit src srcs sourceRoot;
phases = "unpackPhase installPhase";
installPhase = ''
if [[ ! -f Cargo.lock ]]; then
echo
echo "ERROR: The Cargo.lock file doesn't exist"
echo
echo "Cargo.lock is needed to make sure that cargoSha256 doesn't change"
echo "when the registry is updated."
echo
exit 1
fi
export SSL_CERT_FILE=${cacert}/etc/ssl/certs/ca-bundle.crt
export CARGO_HOME=$(mktemp -d cargo-home.XXX)
cargo vendor --locked | tee result.txt
mkdir $out
# keep the outputted cargo config but remove the target directory.
# the target directory should be $out but that should change the sha256
cat result.txt | sed "s|directory = \".*|directory = \"REPLACEME\"|" > $out/.config
cp -ar vendor/* $out/
'';
outputHashAlgo = "sha256";
outputHashMode = "recursive";
outputHash = sha256;
impureEnvVars = stdenv.lib.fetchers.proxyImpureEnvVars;
preferLocalBuild = true;
}