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authorRobin Gloster <mail@glob.in>2019-05-18 09:36:24 +0000
committerGitHub <noreply@github.com>2019-05-18 09:36:24 +0000
commit6cf583cf2f8d3cb89fa8a4d6edd86f4236862ea6 (patch)
tree6590fc8630f685b81d4f1a5487a54b31785f3c8b /pkgs/development/haskell-modules/make-package-set.nix
parentd40443ba6de52faf08bb33198c6e501f46b85a89 (diff)
parent786f02f7a45621b9f628f63649ff92546aff83b7 (diff)
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Merge pull request #60406 from JohnAZoidberg/remove-isnull
treewide: Remove usage of isNull
Diffstat (limited to 'pkgs/development/haskell-modules/make-package-set.nix')
-rw-r--r--pkgs/development/haskell-modules/make-package-set.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/haskell-modules/make-package-set.nix b/pkgs/development/haskell-modules/make-package-set.nix
index fbe1f991d92..04cbd88989a 100644
--- a/pkgs/development/haskell-modules/make-package-set.nix
+++ b/pkgs/development/haskell-modules/make-package-set.nix
@@ -121,7 +121,7 @@ let
   # Use cabal2nix to create a default.nix for the package sources found at 'src'.
   haskellSrc2nix = { name, src, sha256 ? null, extraCabal2nixOptions ? "" }:
     let
-      sha256Arg = if isNull sha256 then "--sha256=" else ''--sha256="${sha256}"'';
+      sha256Arg = if sha256 == null then "--sha256=" else ''--sha256="${sha256}"'';
     in pkgs.buildPackages.stdenv.mkDerivation {
       name = "cabal2nix-${name}";
       nativeBuildInputs = [ pkgs.buildPackages.cabal2nix ];