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{ stdenv, cacert, git, rust, rustRegistry }:
{ name, depsSha256
, src ? null
, srcs ? null
, sourceRoot ? null
, logLevel ? ""
, buildInputs ? []
, cargoUpdateHook ? ""
, ... } @ args:
let
fetchDeps = import ./fetchcargo.nix {
inherit stdenv cacert git rust rustRegistry;
};
cargoDeps = fetchDeps {
inherit name src srcs sourceRoot cargoUpdateHook;
sha256 = depsSha256;
};
in stdenv.mkDerivation (args // {
inherit cargoDeps rustRegistry;
patchRegistryDeps = ./patch-registry-deps;
buildInputs = [ git rust.cargo rust.rustc ] ++ buildInputs;
configurePhase = args.configurePhase or "true";
postUnpack = ''
echo "Using cargo deps from $cargoDeps"
cp -r "$cargoDeps" deps
chmod +w deps -R
# It's OK to use /dev/null as the URL because by the time we do this, cargo
# won't attempt to update the registry anymore, so the URL is more or less
# irrelevant
cat <<EOF > deps/config
[registry]
index = "file:///dev/null"
EOF
export CARGO_HOME="$(realpath deps)"
export RUST_LOG=${logLevel}
export SSL_CERT_FILE=${cacert}/etc/ssl/certs/ca-bundle.crt
# Let's find out which $indexHash cargo uses for file:///dev/null
(cd $sourceRoot && cargo fetch &>/dev/null) || true
cd deps
indexHash="$(basename $(echo registry/index/*))"
echo "Using indexHash '$indexHash'"
rm -rf -- "registry/cache/$indexHash" \
"registry/index/$indexHash"
mv registry/cache/HASH "registry/cache/$indexHash"
echo "Using rust registry from $rustRegistry"
ln -s "$rustRegistry" "registry/index/$indexHash"
# Retrieved the Cargo.lock file which we saved during the fetch
cd ..
mv deps/Cargo.lock $sourceRoot/
(
cd $sourceRoot
cargo fetch
cargo clean
)
'' + (args.postUnpack or "");
prePatch = ''
# Patch registry dependencies, using the scripts in $patchRegistryDeps
(
set -euo pipefail
cd $NIX_BUILD_TOP/deps/registry/src/*
for script in $patchRegistryDeps/*; do
# Run in a subshell so that directory changes and shell options don't
# affect any following commands
( . $script)
done
)
'' + (args.prePatch or "");
buildPhase = args.buildPhase or ''
echo "Running cargo build --release"
cargo build --release
'';
checkPhase = args.checkPhase or ''
echo "Running cargo test"
cargo test
'';
doCheck = args.doCheck or true;
installPhase = args.installPhase or ''
mkdir -p $out/bin
for f in $(find target/release -maxdepth 1 -type f); do
cp $f $out/bin
done;
'';
})
|