Value::mkPath: Avoid potential crash from null string_view
Value::mkPath: Avoid potential crash from null string_view

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