#!/bin/sh
set -e

# upgrade existing libuuid user/group.
if getent group libuuid >/dev/null && ! getent group uuidd >/dev/null ; then
	groupmod --new-name uuidd libuuid
fi
if getent passwd libuuid >/dev/null && ! getent passwd uuidd >/dev/null ; then
	# attempt to stop potentially running uuidd, otherwise usermod will fail.
	invoke-rc.d --quiet uuidd stop || true

	# rename user, change shell and set new homedir.
	usermod --login uuidd --shell /bin/false --home /run/uuidd libuuid

	# attemp cleanup of old home directory.
	[ -d /var/lib/libuuid ] && \
		rmdir --ignore-fail-on-non-empty /var/lib/libuuid || true
fi

# add uuidd user/group if needed.
if ! getent group uuidd >/dev/null; then
	addgroup --system uuidd
fi
if ! getent passwd uuidd >/dev/null; then
	adduser --system --ingroup uuidd \
		--home /run/uuidd --no-create-home \
		uuidd
fi

# Automatically added by dh_systemd_enable
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask uuidd.service >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled uuidd.service; then
	# Enables the unit on first installation, creates new
	# symlinks on upgrades if the unit file has changed.
	deb-systemd-helper enable uuidd.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 uuidd.service >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_systemd_enable
# This will only remove masks created by d-s-h on package removal.
deb-systemd-helper unmask uuidd.socket >/dev/null || true

# was-enabled defaults to true, so new installations run enable.
if deb-systemd-helper --quiet was-enabled uuidd.socket; then
	# Enables the unit on first installation, creates new
	# symlinks on upgrades if the unit file has changed.
	deb-systemd-helper enable uuidd.socket >/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 uuidd.socket >/dev/null || true
fi
# End automatically added section
# Automatically added by dh_installinit
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ]; then
	if [ -x "/etc/init.d/uuidd" ]; then
		update-rc.d uuidd defaults >/dev/null
	fi
	if [ -x "/etc/init.d/uuidd" ] || [ -e "/etc/init/uuidd.conf" ]; then
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d uuidd $_dh_action || exit $?
	fi
fi
# End automatically added section