#!/usr/bin/env rc

nix_dir=()
system_type=()
if (test -d $HOME/repos/nixos) {
	nix_dir=$HOME/repos/nixos
	system_type=nixos
	echo On a NixOS based system
}
if (test -d $HOME/.config/home-manager) {
	nix_dir=$HOME/.config/home-manager
	system_type=homemanager
	echo On a Home Manager based system
}
if (~ $nix_dir ()) {
	echo Could not find correct Nix directory
	exit 1
}
echo Using $nix_dir

nix flake update --flake $nix_dir

switch($system_type) {
	case nixos
		sudo nixos-rebuild --refresh --show-trace --flake $nix_dir
	case homemanager
		sudo home-manager switch --refresh --flake $nix_dir
	case *
		echo Huh? Unexpected system type: $system_type
		exit 1
}