rustPlatform: add support for features

pkgs/build-support/rust/default.nix

@@ -36,6 +36,10 @@
 , cargoLock ? null
 , cargoVendorDir ? null
 , checkType ? buildType
+, buildNoDefaultFeatures ? false
+, checkNoDefaultFeatures ? buildNoDefaultFeatures
+, buildFeatures ? [ ]
+, checkFeatures ? buildFeatures
 , depsExtraArgs ? {}
 
 # Toggles whether a custom sysroot is created when the target is a .json file.
@@ -103,6 +107,14 @@ stdenv.mkDerivation ((removeAttrs args [ "depsExtraArgs" "cargoLock" ]) // lib.o
 
   cargoCheckType = checkType;
 
+  cargoBuildNoDefaultFeatures = buildNoDefaultFeatures;
+
+  cargoCheckNoDefaultFeatures = checkNoDefaultFeatures;
+
+  cargoBuildFeatures = buildFeatures;
+
+  cargoCheckFeatures = checkFeatures;
+
   patchRegistryDeps = ./patch-registry-deps;
 
   nativeBuildInputs = nativeBuildInputs ++ [

pkgs/build-support/rust/hooks/cargo-build-hook.sh

@@ -13,6 +13,14 @@ cargoBuildHook() {
         cargoBuildProfileFlag="--${cargoBuildType}"
     fi
 
+    if [ -n "${cargoBuildNoDefaultFeatures-}" ]; then
+        cargoBuildNoDefaultFeaturesFlag=--no-default-features
+    fi
+
+    if [ -n "${cargoBuildFeatures-}" ]; then
+        cargoBuildFeaturesFlag="--features=${cargoBuildFeatures// /,}"
+    fi
+
     (
     set -x
     env \
@@ -24,6 +32,8 @@ cargoBuildHook() {
         --target @rustTargetPlatformSpec@ \
         --frozen \
         ${cargoBuildProfileFlag} \
+        ${cargoBuildNoDefaultFeaturesFlag} \
+        ${cargoBuildFeaturesFlag} \
         ${cargoBuildFlags}
     )
 

pkgs/build-support/rust/hooks/cargo-check-hook.sh

@@ -20,7 +20,16 @@ cargoCheckHook() {
         cargoCheckProfileFlag="--${cargoCheckType}"
     fi
 
-    argstr="${cargoCheckProfileFlag} --target @rustTargetPlatformSpec@ --frozen ${cargoTestFlags}";
+    if [ -n "${cargoCheckNoDefaultFeatures-}" ]; then
+        cargoCheckNoDefaultFeaturesFlag=--no-default-features
+    fi
+
+    if [ -n "${cargoCheckFeatures-}" ]; then
+        cargoCheckFeaturesFlag="--features=${cargoCheckFeatures// /,}"
+    fi
+
+    argstr="${cargoCheckProfileFlag} ${cargoCheckNoDefaultFeaturesFlag} ${cargoCheckFeaturesFlag}
+        --target @rustTargetPlatformSpec@ --frozen ${cargoTestFlags}"
 
     (
         set -x