fetchurl: Ensure that ‘urls’ is a list

2014-02-19 13:36:39 +01:00
parent 7a51e17775
commit 83ca2c272a
1 changed files with 1 additions and 0 deletions
--- a/pkgs/build-support/fetchurl/default.nix
+++ b/pkgs/build-support/fetchurl/default.nix
@@ -66,6 +66,7 @@ in
  showURLs ? false
 }:

+assert builtins.isList urls;
 assert urls != [] -> url == "";
 assert url != "" -> urls == [];