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-rw-r--r--pkgs/build-support/rust/cargo-vendor.nix6
1 files changed, 4 insertions, 2 deletions
diff --git a/pkgs/build-support/rust/cargo-vendor.nix b/pkgs/build-support/rust/cargo-vendor.nix
index 6b50f8b83e7..9c379eaa333 100644
--- a/pkgs/build-support/rust/cargo-vendor.nix
+++ b/pkgs/build-support/rust/cargo-vendor.nix
@@ -8,13 +8,15 @@ let
     x86_64-linux = "1hxlavcxy374yypfamlkygjg662lhll8j434qcvdawkvlidg5ii5";
     x86_64-darwin = "1jkvhh710gwjnnjx59kaplx2ncfvkx9agfa76rr94sbjqq4igddm";
   };
-  hash = hashes. ${system} or (throw "missing bootstrap hash for platform ${system}");
+  hash = hashes. ${system} or badSystem;
+
+  badSystem = throw "missing bootstrap hash for platform ${system}";
 
   platforms = {
     x86_64-linux = "x86_64-unknown-linux-musl";
     x86_64-darwin = "x86_64-apple-darwin";
   };
-  platform = platforms . ${system};
+  platform = platforms . ${system} or badSystem;
 
 in stdenv.mkDerivation {
   name = "cargo-vendor-${version}";