anchor.diff:  
   vino_3-22 = callPackage ../all-pkgs/v/vino {
     channel = "3.22";
  -  adwaita-icon-theme = pkgs.adwaita-icon-theme_3-22;
  -  gtk = pkgs.gtk_3-22;
  +  adwaita-icon-theme = pkgs.adwaita-icon-theme_3-24;
     libsoup = pkgs.libsoup_2-56;
   };
   vino = callPackageAlias "vino_3-22" { };
  
positive.code: 
  atkmm_2-24 = callPackage ../all-pkgs/a/atkmm {
    channel = "2.24";
  };
  atkmm = callPackageAlias "atkmm_2-24" { };
  
  
negative.code: gtk2 = callPackageAlias "gtk_2" { };
  gtk_3-22 = callPackage ../all-pkgs/g/gtk/3.x.nix {
    channel = "3.22";
    atk = pkgs.atk_2-24;
    at-spi2-atk = pkgs.at-spi2-atk_2-24;
    gdk-pixbuf = pkgs.gdk-pixbuf_2-36;
  };
  gtk_3 = callPackageAlias "gtk_3-22" { };
  # Deprecated alias
  