fetchurl: change to grep -E to fix #8561

Close #21861.
NixOS · Jan 13, 2017 · a652099 · a652099
1 parent bc2e81f
commit a652099
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pkgs/build-support/fetchurl/write-mirror-list.sh b/pkgs/build-support/fetchurl/write-mirror-list.sh
@@ -1,4 +1,4 @@
 source $stdenv/setup
 
 # !!! this is kinda hacky.
-set | grep '^[a-zA-Z]\+=.*://' > $out
+set | grep -E '^[a-zA-Z]+=.*://' > $out