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Diffstat (limited to 'nixpkgs/pkgs/build-support/rust/fetchcrate.nix')
-rw-r--r--nixpkgs/pkgs/build-support/rust/fetchcrate.nix7
1 files changed, 5 insertions, 2 deletions
diff --git a/nixpkgs/pkgs/build-support/rust/fetchcrate.nix b/nixpkgs/pkgs/build-support/rust/fetchcrate.nix
index 95dfd38b12ae..4e6c38b032ce 100644
--- a/nixpkgs/pkgs/build-support/rust/fetchcrate.nix
+++ b/nixpkgs/pkgs/build-support/rust/fetchcrate.nix
@@ -1,10 +1,13 @@
 { lib, fetchurl, unzip }:
 
-{ crateName
+{ crateName ? args.pname
+, pname ? null
 , version
 , sha256
 , ... } @ args:
 
+assert pname == null || pname == crateName;
+
 lib.overrideDerivation (fetchurl ({
 
   name = "${crateName}-${version}.tar.gz";
@@ -30,6 +33,6 @@ lib.overrideDerivation (fetchurl ({
       fi
       mv "$unpackDir/$fn" "$out"
     '';
-} // removeAttrs args [ "crateName" "version" ]))
+} // removeAttrs args [ "crateName" "pname" "version" ]))
 # Hackety-hack: we actually need unzip hooks, too
 (x: {nativeBuildInputs = x.nativeBuildInputs++ [unzip];})