darwin purity: mercurial

pkgs/applications/version-management/mercurial/default.nix

@@ -1,5 +1,7 @@
 { stdenv, fetchurl, python, makeWrapper, docutils, unzip, hg-git, dulwich
-, guiSupport ? false, tk ? null, curses, cacert }:
+, guiSupport ? false, tk ? null, curses, cacert
+
+, ApplicationServices }:
 
 let
   version = "3.3.3";
@@ -17,7 +19,8 @@ stdenv.mkDerivation {
   inherit python; # pass it so that the same version can be used in hg2git
   pythonPackages = [ curses ];
 
-  buildInputs = [ python makeWrapper docutils unzip ];
+  buildInputs = [ python makeWrapper docutils unzip ]
+    ++ stdenv.lib.optional stdenv.isDarwin ApplicationServices;
 
   makeFlags = "PREFIX=$(out)";
 

pkgs/top-level/all-packages.nix

@@ -11776,6 +11776,7 @@ let
 
   mercurial = callPackage ../applications/version-management/mercurial {
     inherit (pythonPackages) curses docutils hg-git dulwich;
+    inherit (darwin.apple_sdk.frameworks) ApplicationServices;
     guiSupport = false; # use mercurialFull to get hgk GUI
   };