#!/usr/bin/env sh

sudo -i

cp -r ~/nixos-cesium/config/* /etc/nixos/

# VM module activation
echo ""
echo "Select what configuration to include?"
echo " 1) vm-guest.nix  (VM runs inside a hypervisor)"
echo " 2) vm-host.nix   (System runs VMs via libvirtd)"
echo " n) None"
read -p "Selection [n]: " VM_CHOICE
VM_CHOICE="${VM_CHOICE:-n}"

case "${VM_CHOICE}" in
    1)
        sed -i 's|# ./vm-guest.nix|./vm-guest.nix|' /etc/nixos/configuration.nix
        echo "vm-guest.nix activated."
        ;;
    2)
        sed -i 's|# ./vm-guest.nix|./vm-host.nix|' /etc/nixos/configuration.nix
        echo "vm-host.nix activated."
        ;;
    *)
        echo "No VM module activated."
        ;;
esac

nix-channel --add https://github.com/nix-community/home-manager/archive/release-25.11.tar.gz home-manager
nix-channel --update

nixos-rebuild switch --option experimental-features "nix-command flakes"