#!/usr/bin/env fish

set -f nix_os (uname)
set -f nix_hostname (hostname -s)
set -f other_hostname $argv[1]

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

if test "$other_hostname" = ""
    switch $nix_os
        case Darwin
            git pull
            nom build ".#darwinConfigurations.$nix_hostname.config.system.build.toplevel"
            env TERM=xterm-256color darwin-rebuild switch --flake ".#$nix_hostname"
        case Linux
            sudo git pull
            sudo nixos-rebuild switch --flake .
    end
else
    git pull
    nom build --eval-store auto --store "ssh-ng://builder-$other_hostname" ".#nixosConfigurations.$other_hostname.config.system.build.toplevel"
    deploy --skip-checks ".#$other_hostname"
end

rm -f result

popd