postinst is in mate-hud 18.04.8-0ubuntu1.
This file is a maintainer script. It is executed when installing (*inst) or removing (*rm) the package.
The actual contents of the file can be viewed below.
1 2 3 4 5 | #!/bin/sh
set -e
glib-compile-schemas /usr/share/glib-2.0/schemas
|