#!/bin/sh
set -e

#keep until trixie+1: remove /etc/runit/2 from inittab so that it's replaced
# by /etc/runit/runsvdir-start
if [ "$1" = configure ] && dpkg --compare-versions "$2" le-nl 2.1.2-59; then
  if [ -f /etc/inittab ]; then
    awk '
    /^#runit-sysv maintscript -- BEGIN/ { flag = 1 }
                                        { if (flag == 0) print; }
    /^#runit-sysv maintscript -- END/   { flag = 0 }
    ' /etc/inittab > /etc/inittab.tmp
    sed -i '${/^$/d}' /etc/inittab.tmp
    mv /etc/inittab.tmp /etc/inittab
  fi
fi
#end keep

rescan_inittab () {
	# other inits maintain a compat initctl pipe, so we check that is not
	# systemd, that initctl exists and that sysvinit-core is installed
	if [ ! -d /run/systemd/system ] && [ -e /run/initctl ] ; then
		if [ -e /sbin/telinit ] ; then
			# rescan inittab to pick new entry
			telinit q
		fi
	fi
}

write_inittab () {
	if ! grep -q '^#runit-sysv maintscript -- BEGIN' /etc/inittab ; then
		cat /etc/inittab - <<EOF > /etc/inittab.tmp

#runit-sysv maintscript -- BEGIN
SV:123456:respawn:/etc/runit/runsvdir-start
#runit-sysv maintscript -- END
EOF
		mv /etc/inittab.tmp /etc/inittab
		rescan_inittab
	fi
}

if [ -f /etc/inittab ]; then
	write_inittab
fi

case "$1" in
    triggered)
	write_inittab
    ;;
esac

# Automatically added by dh_installsystemd/13.24.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	# The following line should be removed in trixie or trixie+1
	deb-systemd-helper unmask 'runit.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'runit.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'runit.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 'runit.service' >/dev/null || true
	fi
fi
# End automatically added section
# Automatically added by dh_installsystemd/13.24.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -z "$DPKG_ROOT" ] && [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		deb-systemd-invoke start 'runit.service' >/dev/null || true
	fi
fi
# End automatically added section