#!/usr/bin/env fish

set -f nix_os (uname)
set -f nix_hostname (hostname -s)

switch $nix_os
    case Darwin
        set -f config_dir "$HOME/.config/nixpkgs"
    case Linux
        set -f config_dir /etc/nixos
    case '*'
        echo "Unsupported OS"
        exit 1
end

pushd "$config_dir"
rm -rf result

switch $nix_os
    case Darwin
        git pull
        nom build ".#darwinConfigurations.$nix_hostname.config.system.build.toplevel"
        env TERM=xterm-256color darwin-rebuild switch --flake ".#$nix_hostname"
    case Linux
        sudo git pull
        sudo nixos-rebuild switch --flake .
end

rm -f result

popd