diff options
Diffstat (limited to 'pkgs/build-support/rust/default.nix')
| -rw-r--r-- | pkgs/build-support/rust/default.nix | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/pkgs/build-support/rust/default.nix b/pkgs/build-support/rust/default.nix index 0103e064828..f6177ce198d 100644 --- a/pkgs/build-support/rust/default.nix +++ b/pkgs/build-support/rust/default.nix @@ -30,6 +30,8 @@ , cargoVendorDir ? null , checkType ? buildType , depsExtraArgs ? {} +, cargoParallelTestThreads ? true + # Needed to `pushd`/`popd` into a subdir of a tarball if this subdir # contains a Cargo.toml, but isn't part of a workspace (which is e.g. the # case for `rustfmt`/etc from the `rust-sources). @@ -204,11 +206,12 @@ stdenv.mkDerivation ((removeAttrs args ["depsExtraArgs"]) // { checkPhase = args.checkPhase or (let argstr = "${stdenv.lib.optionalString (checkType == "release") "--release"} --target ${rustTarget} --frozen"; + threads = if cargoParallelTestThreads then "$NIX_BUILD_CORES" else "1"; in '' ${stdenv.lib.optionalString (buildAndTestSubdir != null) "pushd ${buildAndTestSubdir}"} runHook preCheck echo "Running cargo test ${argstr} -- ''${checkFlags} ''${checkFlagsArray+''${checkFlagsArray[@]}}" - cargo test -j $NIX_BUILD_CORES ${argstr} -- --test-threads=$NIX_BUILD_CORES ''${checkFlags} ''${checkFlagsArray+"''${checkFlagsArray[@]}"} + cargo test -j $NIX_BUILD_CORES ${argstr} -- --test-threads=${threads} ''${checkFlags} ''${checkFlagsArray+"''${checkFlagsArray[@]}"} runHook postCheck ${stdenv.lib.optionalString (buildAndTestSubdir != null) "popd"} ''); |