postinst is in cups-client 2.2.7-1ubuntu2.
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 | #! /bin/sh
set -e
case "$1" in
configure)
if [ -z "`getent group lpadmin`" ]; then
addgroup --system lpadmin
fi
;;
abort-upgrade|abort-remove|abort-deconfigure)
;;
*)
echo "postinst called with unknown argument \`$1'" >&2
exit 0
;;
esac
exit 0
|