make-derivation: use ? instead of builtins.hasAttr

As suggested by @edolstra
2018-10-29 15:17:13 +01:00 · 2018-10-29 15:17:13 +01:00 · 5be927db14
commit 5be927db14
parent 2962f94fec
1 changed files with 1 additions and 1 deletions
--- a/pkgs/stdenv/generic/make-derivation.nix
+++ b/pkgs/stdenv/generic/make-derivation.nix
@ -12,7 +12,7 @@ rec {
  # * https://nixos.org/nix/manual/#ssec-derivation
  #   Explanation about derivations in general
  mkDerivation =
-    { name ? if builtins.hasAttr "pname" attrs && builtins.hasAttr "version" attrs
+    { name ? if attrs ? pname && attrs ? version
        then "${attrs.pname}-${attrs.version}"
        else ""