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-rw-r--r--pkgs/build-support/rust/default.nix3
1 files changed, 3 insertions, 0 deletions
diff --git a/pkgs/build-support/rust/default.nix b/pkgs/build-support/rust/default.nix
index bbea045f6371..a69ef5c6b07f 100644
--- a/pkgs/build-support/rust/default.nix
+++ b/pkgs/build-support/rust/default.nix
@@ -6,6 +6,7 @@
 , logLevel ? ""
 , buildInputs ? []
 , cargoUpdateHook ? ""
+, cargoDepsHook ? ""
 , ... } @ args:
 
 let
@@ -28,6 +29,8 @@ in stdenv.mkDerivation (args // {
   configurePhase = args.configurePhase or "true";
 
   postUnpack = ''
+    eval "$cargoDepsHook"
+
     echo "Using cargo deps from $cargoDeps"
 
     cp -r "$cargoDeps" deps