treewide: Remove usage of isNull

isNull "is deprecated; just write e == null instead" says the Nix manual
2019-04-29 14:05:50 +02:00
parent 5f14e83bd6
commit 786f02f7a4
52 changed files with 89 additions and 95 deletions
@@ -7,7 +7,7 @@

 with import ./util.nix { inherit lib; };

-stdenv.mkDerivation ((lib.optionalAttrs (! isNull buildScript) {
+stdenv.mkDerivation ((lib.optionalAttrs (buildScript != null) {
  builder = buildScript;
 }) // rec {
  inherit name src configureFlags;