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#!/bin/sh
# source the debconf library
. /usr/share/debconf/confmodule
case "$1" in
install)
# create the nut system account
if [ `id -u $1 >/dev/null 2>&1` ] ; then
# the account already exists! check that it's a system account
if ! [ `id -u $1 >/dev/null 2>&1` -lt 1000 ] ; then
# the account is a user account! abort!
echo "error: a \"nut\" account already exists on your system"
exit 1
fi
else
# the account doesn't exist... time to create it
adduser --quiet --system --group --home /var/lib/nut nut
chown nut.nut /var/lib/nut
fi
;;
upgrade)
# remove the obsolete config file (upgrading from nut < 0.44.0)
db_get nut/remove_debian_conf
if [ "$RET" = "true" ] ; then
rm -f /etc/nut/debian.conf
fi
# modify the nut user's home dir (upgrading from nut < 0.44.0)
if dpkg --compare-versions "$2" lt-nl "0.44.0" ; then
usermod -d /var/lib/nut -m nut
fi
# modify the nut user again (upgrading from nut < 0.44.1-3)
if dpkg --compare-versions "$2" lt-nl "0.44.1-3" ; then
# remove the nut user for the dialout group
usermod -G "" nut
# try to make a nut group with gid equal to uid of the nut user
if ! [ `addgroup --gid \`id -u nut\` nut` ] ; then
# oh well, gid and uid will not be the same
addgroup nut
fi
# change the nut user's primary grou
usermod -g nut nut
fi
;;
abort-upgrade)
# do nothing
;;
*)
echo "$0: incorrect arguments: $*" >&2
exit 1
;;
esac
#DEBHELPER#
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