postinst is in nut-client 2.7.1-1ubuntu1.
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.
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case "$1" in
configure)
# make sure the nut user exists and has correct memberships
if ! getent group nut >/dev/null; then
addgroup --quiet --system nut
fi
if ! getent passwd nut >/dev/null; then
adduser --quiet --system --ingroup nut --home /var/lib/nut --no-create-home nut
elif ! groups nut | grep -qw nut; then
adduser nut nut
fi
# for Ubuntu, while waiting for a proper debconf
# if ! groups nut | grep -qw dialout; then
# adduser nut dialout
# fi
# make sure that conffiles are secured and have the correct ownerships
# on first install
if [ -z "$2" ] ; then
if [ -d /etc/nut/ ] ; then
chown root:nut /etc/nut/
fi
for file in nut.conf upsmon.conf upssched.conf ; do
if [ -f /etc/nut/$file ] ; then
chown root:nut /etc/nut/$file
chmod 640 /etc/nut/$file
fi
done
fi
# make sure that /var/run/nut exists and has the correct ownerships
if [ ! -d /var/run/nut ] ; then
mkdir -p /var/run/nut
fi
if [ -d /var/run/nut ] ; then
chown root:nut /var/run/nut
chmod 770 /var/run/nut
if which restorecon >/dev/null 2>&1; then
restorecon /var/run/nut
fi
fi
if dpkg --compare-versions "$2" le "2.6.4-2~" &&
[ -f /etc/init.d/nut ] ; then
if [ "`md5sum /etc/init.d/nut | cut -d ' ' -f 1`" = 72f1dbc6b92cb4407f26605d05b12681 ]; then
rm -f /etc/init.d/nut
else
mv /etc/init.d/nut /etc/init.d/nut.dpkg-old
fi
update-rc.d nut remove >/dev/null
fi
;;
abort-upgrade)
# do nothing
;;
abort-remove)
# do nothing
;;
abort-deconfigure)
# do nothing
;;
*)
echo "$0: incorrect arguments: $*" >&2
exit 1
;;
esac
# Automatically added by dh_systemd_enable
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask nut-monitor.service >/dev/null || true
# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled nut-monitor.service; then
# Enables the unit on first installation, creates new
# symlinks on upgrades if the unit file has changed.
deb-systemd-helper enable nut-monitor.service >/dev/null || true
else
# Update the statefile to add new symlinks (if any), which need to be
# cleaned up on purge. Also remove old symlinks.
deb-systemd-helper update-state nut-monitor.service >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installinit
# In case this system is running systemd, we need to ensure that all
# necessary tmpfiles (if any) are created before starting.
if [ -d /run/systemd/system ] ; then
systemd-tmpfiles --create /usr/lib/tmpfiles.d/nut-client.conf >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installinit
if [ -x "/etc/init.d/nut-client" ] || [ -e "/etc/init/nut-client.conf" ]; then
if [ ! -e "/etc/init/nut-client.conf" ]; then
update-rc.d nut-client defaults >/dev/null
fi
if [ -n "$2" ]; then
_dh_action=restart
else
_dh_action=start
fi
invoke-rc.d nut-client $_dh_action || exit $?
fi
# End automatically added section
# Automatically added by dh_installdeb
dpkg-maintscript-helper rm_conffile /etc/bash_completion.d/nut 2.7.1-1~ -- "$@"
# End automatically added section
exit 0
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