nix-conf/overlays/default.nix

{pkgs, ...}: {
  nixpkgs.overlays = [
    (self: super: {
      nsxiv = super.nsxiv.overrideAttrs (old: {
        buildInputs = old.buildInputs ++ [pkgs.xorg.libXcursor];
        env.NIX_LDFLAGS = "-lXcursor";
        patches = [./nsxiv.diff];
      });
      maim = super.maim.overrideAttrs (old: {
        buildInputs = old.buildInputs ++ [pkgs.xorg.libXcursor];
        env.NIX_LDFLAGS = "-lXcursor";
      });
      ki = super.ki.overrideAttrs (old: {
        patches = old.patches ++ [./ki.diff];
      });
    })
  ];
}