repl/load-flake: throw error if path isn't specified
repl/load-flake: throw error if path isn't specified

rycee/nix,NixOS/nix,rycee/nix,rycee/nix,NixOS/nix,NixOS/nix,NixOS/nix,rycee/nix,rycee/nix,NixOS/nix