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#! /bin/sh
ask() {
local question default answer
question=$1
default=$2
if [ -z "${PACKAGE_BUILDING}" -a -z "${BATCH}" ]; then
read -p "${question} [${default}]? " answer
fi
if [ x${answer} = x ]; then
answer=${default}
fi
echo ${answer}
}
yesno() {
local dflt question answer
question=$1
dflt=$2
while :; do
answer=$(ask "${question}" "${dflt}")
case "${answer}" in
[Yy]*) return 0;;
[Nn]*) return 1;;
esac
echo "Please answer yes or no."
done
}
delete_crontab_entries() {
local b e
b=$1
e=$2
TMPFILE=`mktemp -t munin` || exit 1
crontab -u munin -l | sed -e "/^$b\$/,/^$e\$/d" -e '/^[ ]*#/d' -e '/^$/d' > $TMPFILE
if [ -s $TMPFILE ]; then
crontab -u munin -l | sed -e "/^$b\$/,/^$e\$/d" | crontab -u munin -
echo "The crontab for user munin had manually created entries."
echo "Only the automatically created entries have been removed."
echo "These are the remaining lines:"
crontab -u munin -l
else
echo y | crontab -u munin -r
echo "crontab for user munin removed"
fi
rm $TMPFILE
}
delnewsyslog() {
tmp="/etc/#munin-node$$"
sed -e '/^\/var\/log\/munin\/\*\.log[ ]/d' /etc/newsyslog.conf >${tmp}
cat ${tmp} > /etc/newsyslog.conf
rm ${tmp}
}
newsyslog() {
ENTRY=`fgrep '/var/log/munin/*' /etc/newsyslog.conf`
DEFAULT='/var/log/munin/*.log munin:munin 644 7 * @T00 GNWZ'
if [ -z "$ENTRY" ]; then
exit 0
elif [ "$ENTRY" = "$DEFAULT" ]; then
delnewsyslog
elif yesno "You have changed the default munin-master entry in \"/etc/newsyslog.conf\".
Do you want me to delete it?" y; then
delnewsyslog
echo "Done."
fi
}
case $2 in
DEINSTALL)
if [ -z "${PACKAGE_BUILDING}" ]; then
delete_crontab_entries '#BEGIN_MUNIN_MAIN' '#END_MUNIN_MAIN'
newsyslog
fi
;;
POST-DEINSTALL)
;;
esac
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