anchor.diff:  }:
   let
     pname = "gnome-flashback";
  -  version = "3.44.0";
  +  version = "3.45.1";
   
     # From data/sessions/Makefile.am
     requiredComponentsCommon = enableGnomePanel:
  
positive.code:       -Exec=gnome-flashback
        +Exec=$out/bin/gnome-flashback
        END_PATCH
      '';
  
      postInstall = ''
  
negative.code: 
      src = fetchurl {
        url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${name}.tar.xz";
        sha256 = "sha256-flUlRhAtuqH9f2t/JEYx53N+MSX1OkcBnRog+Jh0++U=";
      };
  
      # make .desktop Execs absolute
  