nixos-install: fix flake command

Changed files
+1 -1
nixos
modules
installer
+1 -1
nixos/modules/installer/tools/nixos-install.sh
···
# Resolve the flake.
if [[ -n $flake ]]; then
-
flake=$(nix "${flakeFlags[@]}" flake info --json "${extraBuildFlags[@]}" "${lockFlags[@]}" -- "$flake" | jq -r .url)
+
flake=$(nix "${flakeFlags[@]}" flake metadata --json "${extraBuildFlags[@]}" "${lockFlags[@]}" -- "$flake" | jq -r .url)
fi
if [[ ! -e $NIXOS_CONFIG && -z $system && -z $flake ]]; then