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authorScott Olson <scott@solson.me>2016-02-19 03:13:10 -0600
committerScott Olson <scott@solson.me>2016-02-19 03:18:21 -0600
commit43a523526dfe924e59b0eadf9319bb1a72fad743 (patch)
tree962cc1756c01641ba831dba47d6a6212441f3e8f /pkgs/build-support
parent9cf93ba13587dba8116fa99279e51cf60c7bde88 (diff)
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Require at least one of url or urls in fetchurl.
Diffstat (limited to 'pkgs/build-support')
-rw-r--r--pkgs/build-support/fetchurl/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/build-support/fetchurl/default.nix b/pkgs/build-support/fetchurl/default.nix
index 2c802bb3679c..d4b46cf9e9d4 100644
--- 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