/usr/lib/nvidia/pre-install is in ubuntu-drivers-common 1:0.4.17.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 | #!/bin/sh
# Trigger an error exit status to prevent the installer from overwriting
# Ubuntu's nvidia packages.
exit 1
|