Require at least one of url or urls in fetchurl.

2016-02-19 03:13:10 -06:00 · 2016-02-19 03:13:10 -06:00 · 43a523526d
commit 43a523526d
parent 9cf93ba135
1 changed files with 1 additions and 1 deletions
--- a/pkgs/build-support/fetchurl/default.nix
+++ b/pkgs/build-support/fetchurl/default.nix
@ -85,7 +85,7 @@ in
 }:

 assert builtins.isList urls;
-assert urls == [] || url == "";
+assert (urls == []) != (url == "");


 let