let
  nixpkgs-master = import (builtins.fetchTarball {
    url = "https://github.com/NixOS/nixpkgs-channels/archive/de5fd9e6110489722e8667664dce9fdc17331866.tar.gz";
    sha256 = "0z1j2pmvn15m2ir2i9l2prr81cq7f1x8xs4cv2s7q4fslz586ghn";
  }) {};

in self: super: {
  podman = nixpkgs-master.podman;
  conmon = nixpkgs-master.conmon;

  duplicacy = super.callPackage ./pkgs/duplicacy {};
  just = super.callPackage ./pkgs/just.nix {};
  mfcl3770cdw = super.callPackage ./pkgs/mfcl3770cdw.nix {};
  slirp4netns = super.callPackage ./pkgs/slirp4netns.nix {};
  staruml = super.callPackage ./pkgs/staruml.nix { inherit (super.gnome2) GConf; libgcrypt = super.libgcrypt_1_5; };

  busyboxStatic =  super.busybox.override {
    enableStatic = true;
    extraConfig = ''
       CONFIG_STATIC y
       CONFIG_INSTALL_APPLET_DONT y
       CONFIG_INSTALL_APPLET_SYMLINKS n
     '';
  };
  dropbearStatic = super.dropbear.override {
    enableStatic = true;
  };
}