mkUserEnvironment: polyfill for older versions of nix

2019-12-20 15:43:07 +01:00
parent 8014dcc5af
commit 9f61ec7d27
1 changed files with 3 additions and 0 deletions
--- a/lib/mkUserEnvironment.nix
+++ b/lib/mkUserEnvironment.nix
@@ -21,6 +21,9 @@
 # Supporting code
 with builtins;
 let
+  # back-compat
+  isPath = builtins.isPath or (x: builtins.typeOf x == "path");
+
  # Escape Nix strings
  stringEscape = str:
    "\"" + (