trap 'git reset private/root' EXIT
git rm -rf --cached --ignore-unmatch private/root # prevent copying to /nix/store
nixos-rebuild switch --flake . "$@"
- nix-env --delete-generations +2 --profile /nix/var/nix/profiles/system
+ nix-env --delete-generations +9 --profile /nix/var/nix/profiles/system
fi