preinst is in citadel-webcit 917-dfsg-2.
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 | #! /bin/sh
# Abort if any command returns an error value
set -e
case "$1" in
install|upgrade)
if dpkg --compare-versions "$2" lt 8.05-dfsg-3; then
# remove directories that were created by postinst but never really used
[ ! -d /var/lib/citadel/keys ] || rmdir /var/lib/citadel/keys
[ ! -d /var/run/citadel/keys ] || rmdir /var/run/citadel/keys
fi
;;
esac
exit 0
|