Fix stripStr on Darwin

See NixOS/nix#1537
nix-community · Jan 1, 2020 · 5057685 · 5057685
1 parent 7b20b19
commit 5057685
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/pep508.nix b/pep508.nix
@@ -6,7 +6,7 @@ let
   substr = start: stop: s: builtins.substring start (stop - start) s;
 
   # Strip leading/trailing whitespace from string
-  stripStr = s: lib.elemAt (builtins.split "^ *| *$" s) 2;
+  stripStr = s: lib.elemAt (builtins.split "^ *" (lib.elemAt (builtins.split " *$" s) 0)) 2;
 
   findSubExpressionsFun = acc: c: (
     if c == "(" then (