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nixpkgs/pkgs/build-support/rust/default.nix
Jörg Thalheim 952f4fda86
makeRustPlatform: refactor to make it easier to understand
It is now clearer what is supposed to be in the rust attribute set
without having studied type theory. The amount of code is identically.
2018-11-21 12:44:58 +00:00

99 lines
2.4 KiB
Nix

{ stdenv, cacert, git, cargo, rustc, cargo-vendor, fetchcargo, python3 }:
{ name, cargoSha256 ? "unset"
, src ? null
, srcs ? null
, cargoPatches ? []
, patches ? []
, sourceRoot ? null
, logLevel ? ""
, buildInputs ? []
, cargoUpdateHook ? ""
, cargoDepsHook ? ""
, cargoBuildFlags ? []
, cargoVendorDir ? null
, ... } @ args:
assert cargoVendorDir == null -> cargoSha256 != "unset";
let
cargoDeps = if cargoVendorDir == null
then fetchcargo {
inherit name src srcs sourceRoot cargoUpdateHook;
patches = cargoPatches;
sha256 = cargoSha256;
}
else null;
setupVendorDir = if cargoVendorDir == null
then ''
unpackFile "$cargoDeps"
cargoDepsCopy=$(stripHash $(basename $cargoDeps))
chmod -R +w "$cargoDepsCopy"
''
else ''
cargoDepsCopy="$sourceRoot/${cargoVendorDir}"
'';
in stdenv.mkDerivation (args // {
inherit cargoDeps;
patchRegistryDeps = ./patch-registry-deps;
buildInputs = [ cacert git cargo rustc ] ++ buildInputs;
patches = cargoPatches ++ patches;
configurePhase = args.configurePhase or ''
runHook preConfigure
# noop
runHook postConfigure
'';
postUnpack = ''
eval "$cargoDepsHook"
${setupVendorDir}
mkdir .cargo
config="$(pwd)/$cargoDepsCopy/.cargo/config";
if [[ ! -e $config ]]; then
config=${./fetchcargo-default-config.toml};
fi;
substitute $config .cargo/config \
--subst-var-by vendor "$(pwd)/$cargoDepsCopy"
unset cargoDepsCopy
export RUST_LOG=${logLevel}
'' + (args.postUnpack or "");
buildPhase = with builtins; args.buildPhase or ''
runHook preBuild
echo "Running cargo build --release ${concatStringsSep " " cargoBuildFlags}"
cargo build --release --frozen ${concatStringsSep " " cargoBuildFlags}
runHook postBuild
'';
checkPhase = args.checkPhase or ''
runHook preCheck
echo "Running cargo test"
cargo test
runHook postCheck
'';
doCheck = args.doCheck or true;
installPhase = args.installPhase or ''
runHook preInstall
mkdir -p $out/bin $out/lib
find target/release -maxdepth 1 -type f -executable ! \( -regex ".*\.\(so.[0-9.]+\|so\|a\|dylib\)" \) -print0 | xargs -r -0 cp -t $out/bin
find target/release -maxdepth 1 -regex ".*\.\(so.[0-9.]+\|so\|a\|dylib\)" -print0 | xargs -r -0 cp -t $out/lib
rmdir --ignore-fail-on-non-empty $out/lib $out/bin
runHook postInstall
'';
passthru = { inherit cargoDeps; } // (args.passthru or {});
})