#! /bin/bash
# postinst script for nbd
#
# see: dh_installdeb(1)

set -e

. /usr/share/debconf/confmodule

# Quotes each argument for shell expression inclusion, to prevent
# interpretation of special characters.
function shell_quote () {
       local first=true
       while [ "$#" -gt 0 ]; do
               if [ ! "$first" ]; then
                       echo -n ' '
               fi
               # sed expression transforms instances of ' to '\''
               echo -n "'$(echo "$1" | sed -e "s/'/'\\\\''/g")'"
               first=
               shift
       done
}

case "$1" in
    configure)
	db_get nbd-server/number
	NUMBER=${RET:-0}
	umask 066
	if [ "$NUMBER" -gt 0 ]
	then
	    TMPFILE=`mktemp /tmp/nbd-server.XXXXXX`
	    cat /usr/share/nbd-server/nbd-server.conf.tmpl > $TMPFILE
	    for i in $(seq 0 $(( $NUMBER - 1 )) )
	    do
	      # stay downward compatible
	      if [ "$i" -eq 0 ]
	      then
	          unset i
	      fi
	      db_get nbd-server/name$i
	      NAME=$RET
	      db_get nbd-server/filename$i
	      FN=$RET
	      (   echo "[$NAME]"
		  echo "	exportname = $FN"
	      ) >> $TMPFILE
	    done
	    ucf --debconf-ok $TMPFILE /etc/nbd-server/config
	else
	    ucf --debconf-ok /usr/share/nbd-server/nbd-server.conf.tmpl /etc/nbd-server/config
	fi
	if ! id nbd >/dev/null 2>&1; then
	    adduser --system --group --home /etc/nbd-server --no-create-home nbd
	fi
	;;
    
    abort-upgrade|abort-remove|abort-deconfigure)
        
        ;;
    
    *)
        echo "postinst called with unknown argument \`$1'">&2
        exit 0
        ;;
esac

db_stop

# dh_installdeb will replace this with shell code automatically
# generated by other debhelper scripts.

# Automatically added by dh_installinit/13.24.2
if [ "$1" = "configure" ] || [ "$1" = "abort-upgrade" ] || [ "$1" = "abort-deconfigure" ] || [ "$1" = "abort-remove" ] ; then
	if [ -z "$DPKG_ROOT" ] && [ -x "/etc/init.d/nbd-server" ]; then
		update-rc.d nbd-server defaults >/dev/null
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		invoke-rc.d --skip-systemd-native nbd-server $_dh_action || exit 1
	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
	# The following line should be removed in trixie or trixie+1
	deb-systemd-helper unmask 'nbd-server.service' >/dev/null || true

	# was-enabled defaults to true, so new installations run enable.
	if deb-systemd-helper --quiet was-enabled 'nbd-server.service'; then
		# Enables the unit on first installation, creates new
		# symlinks on upgrades if the unit file has changed.
		deb-systemd-helper enable 'nbd-server.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 'nbd-server.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 [ -d /run/systemd/system ]; then
		systemctl --system daemon-reload >/dev/null || true
		if [ -n "$2" ]; then
			_dh_action=restart
		else
			_dh_action=start
		fi
		deb-systemd-invoke $_dh_action 'nbd-server.service' >/dev/null || true
	fi
fi
# End automatically added section


exit 0