self: super: let inherit (super) callPackage; in rec { coreutils-advcpmv = callPackage ./pkgs/coreutils-advcpmv.nix {}; crosstool-ng = callPackage ./pkgs/crosstool-ng.nix {}; gnomeExtensions = (super.gnomeExtensions or {}) // { hide-activities = callPackage ./pkgs/gnome-shell-extensions/hide-activities.nix {}; hibernate-button = callPackage ./pkgs/gnome-shell-extensions/hibernate-button.nix {}; }; }