lightdm-enso-os-greeter: switch to fetchFromGitHub

pkgs/applications/display-managers/lightdm-enso-os-greeter/default.nix

@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchgit, pkg-config, linkFarm, lightdm-enso-os-greeter
+{ lib, stdenv, fetchFromGitHub, pkg-config, linkFarm, lightdm-enso-os-greeter
 , dbus, pcre, libepoxy, libXdmcp, at-spi2-core, libxklavier, libxkbcommon, libpthreadstubs
 , gtk3, vala, cmake, libgee, libX11, lightdm, gdk-pixbuf, clutter-gtk, wrapGAppsHook, librsvg }:
 
@@ -6,10 +6,11 @@ stdenv.mkDerivation {
   version = "0.2.1";
   pname = "lightdm-enso-os-greeter";
 
-  src = fetchgit {
-    url = "https://github.com/nick92/Enso-OS";
+  src = fetchFromGitHub {
+    owner = "nick92";
+    repo = "Enso-OS";
     rev = "ed48330bfd986072bd82ac542ed8f8a7365c6427";
-    sha256 = "11jm181jq1vbn83h235avpdxz7pqq6prqyzki5yryy53mkj4kgxz";
+    sha256 = "sha256-v79J5KyjeJ99ifN7nK/B+J7f292qDAEHsmsHLAMKVYY=";
   };
 
   patches = [