postinst is in qthid-fcd-controller 4.1-3build1.
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 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | #! /bin/sh
set -e
# Automatically added by dh_installmenu/11.1.6ubuntu1
if [ "$1" = "configure" ] && [ -x "`which update-menus 2>/dev/null`" ]; then
	update-menus
fi
# End automatically added section
# same test as udev postinst...
chrooted() {
  if [ "$(stat -c %d/%i /)" = "$(stat -Lc %d/%i /proc/1/root 2>/dev/null)" ];
  then
    # the devicenumber/inode pair of / is the same as that of /sbin/init's
    # root, so we're *not* in a chroot and hence return false.
    return 1
  fi
  return 0
}
if [ "$1" = "configure" ]; then
  if ! chrooted ; then
    # try to update udev now
    udevadm control --reload-rules || true ;
  fi
fi
exit 0
 |