rustPlatform: cargo test is now called with the same environment variables as cargo build

lolbinarycat · alyssais · commit 683f97e37813 · 2024-10-09T09:42:38.000+02:00
this means that cargo dependancies will no longer be built twice.
diff --git a/pkgs/build-support/rust/hooks/cargo-check-hook.sh b/pkgs/build-support/rust/hooks/cargo-check-hook.sh
@@ -38,7 +38,7 @@ cargoCheckHook() {
     concatTo flagsArray cargoTestFlags checkFlags checkFlagsArray
 
     echoCmd 'cargoCheckHook flags' "${flagsArray[@]}"
-    cargo test "${flagsArray[@]}"
+    @setEnv@ cargo test "${flagsArray[@]}"
 
     if [[ -n "${buildAndTestSubdir-}" ]]; then
         popd
diff --git a/pkgs/build-support/rust/hooks/default.nix b/pkgs/build-support/rust/hooks/default.nix
@@ -31,7 +31,7 @@
       name = "cargo-check-hook.sh";
       propagatedBuildInputs = [ cargo ];
       substitutions = {
-        inherit (rust.envVars) rustHostPlatformSpec;
+        inherit (rust.envVars) rustHostPlatformSpec setEnv;
       };
     } ./cargo-check-hook.sh) {};
 
