--- /dev/null
+#!/bin/sh
+
+echo "warning: Using legacy channel get-version-suffix from `nix-instantiate --find-file nixpkgs-warned "$@"`/nixos/modules/installer/tools/get-version-suffix" >&2
+
+/bin/sh `nix-instantiate --find-file nixpkgs-warned "$@"`/nixos/modules/installer/tools/get-version-suffix "$@"