postrm is in arpalert 2.0.11-7.1.
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 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | #!/bin/sh
# based on arpwatch.postrm: v2 2004/09/15 KELEMEN Peter <fuji@debian.org>
# arpalert.postrm: v1 2006/10/12 Jan Wagner <waja@cyconet.org>
NUSER=arpalert
NGROUP=arpalert
set -e
case "$1" in
purge)
# find first and last SYSTEM_UID numbers
for LINE in `grep SYSTEM_UID /etc/adduser.conf | grep -v "^#"`; do
case $LINE in
FIRST_SYSTEM_UID*)
FIST_SYSTEM_UID=`echo $LINE | cut -f2 -d '='`
;;
LAST_SYSTEM_UID*)
LAST_SYSTEM_UID=`echo $LINE | cut -f2 -d '='`
;;
*)
;;
esac
done
# remove system account if necessary
if [ -n "$FIST_SYSTEM_UID" ] && [ -n "$LAST_SYSTEM_UID" ]; then
if USERID=`getent passwd $NUSER | cut -f 3 -d ':'`; then
if [ -n "$USERID" ]; then
if [ "$FIST_SYSTEM_UID" -le "$USERID" ] && \
[ "$USERID" -le "$LAST_SYSTEM_UID" ] && \
[ -x /usr/sbin/deluser ]; then
deluser --quiet $NUSER || true
# And then remove the group
GROUPID=`getent group $NGROUP | cut -f 3 -d ':'`
if [ -n "$GROUPID" ] && [ -x /usr/sbin/delgroup ] ; then
delgroup --quiet $NGROUP || true
fi
fi
fi
fi
fi
# Remove state files
if [ -d /var/lib/arpalert ]; then
find /var/lib/arpalert/ -type f | xargs rm -f
fi
;;
remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
;;
*)
echo "postrm called with unknown argument \`$1'" >&2
exit 1
;;
esac
# Automatically added by dh_installinit
if [ "$1" = "purge" ] ; then
update-rc.d arpalert remove >/dev/null
fi
# End automatically added section
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