#!/bin/sh
### BEGIN INIT INFO
# Provides:          git-daemon
# Required-Start:    $network $remote_fs $syslog
# Required-Stop:     $network $remote_fs $syslog
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: git-daemon service
# Description:       git-daemon is a simple server for git repositories,
#                    ideally suited for read-only updates, i.e. pulling from
#                    git repositories through the network.
### END INIT INFO

# PATH should only include /usr/* if it runs after the mountnfs.sh script
PATH=/sbin:/usr/sbin:/bin:/usr/bin:/usr/lib/git-core
DESC="git-daemon service"
NAME=git-daemon
DAEMON=/usr/lib/git-core/$NAME
PIDFILE=/var/run/$NAME.pid
SCRIPTNAME=/etc/init.d/$NAME

# Exit if the package is not installed
[ -e /usr/share/git-core/sysvinit/sentinel ] || exit 0

# Read configuration variable file if it is present
[ -r /etc/default/$NAME ] && . /etc/default/$NAME

GIT_DAEMON_USER=${GIT_DAEMON_USER:-gitdaemon}
GIT_DAEMON_BASE_PATH=${GIT_DAEMON_BASE_PATH:-/var/lib}
GIT_DAEMON_DIRECTORY=${GIT_DAEMON_DIRECTORY:-/var/lib/git}

DAEMON_ARGS="--user=$GIT_DAEMON_USER --pid-file=$PIDFILE --detach"
DAEMON_ARGS="$DAEMON_ARGS --reuseaddr --verbose $GIT_DAEMON_OPTIONS"
DAEMON_ARGS="$DAEMON_ARGS --base-path=$GIT_DAEMON_BASE_PATH $GIT_DAEMON_DIRECTORY"

# Load the VERBOSE setting and other rcS variables
. /lib/init/vars.sh

# Define LSB log_* functions.
# Depend on lsb-base (>= 3.0-6) to ensure that this file is present.
. /lib/lsb/init-functions

#
# Function that starts the daemon/service
#
do_start()
{
	# Return
	#   0 if daemon has been started
	#   1 if daemon was already running
	#   2 if daemon could not be started
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \
		|| return 1
	start-stop-daemon --start --quiet --pidfile $PIDFILE --exec $DAEMON -- \
		$DAEMON_ARGS \
		|| return 2
}

#
# Function that stops the daemon/service
#
do_stop()
{
	# Return
	#   0 if daemon has been stopped
	#   1 if daemon was already stopped
	#   2 if daemon could not be stopped
	#   other if a failure occurred
	start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME
	RETVAL="$?"
	[ "$RETVAL" = 2 ] && return 2
	# Many daemons don't delete their pidfiles when they exit.
	rm -f $PIDFILE
	return "$RETVAL"
}

case "$1" in
  start)
    if [ $GIT_DAEMON_ENABLE = true ]; then
	[ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC " "$NAME"
    else
	[ "$VERBOSE" != no ] && log_warning_msg "$NAME not enabled in /etc/default/$NAME, not starting..."
	exit 0
    fi

    do_start
    case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
  ;;
  stop)
	[ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME"
	do_stop
	case "$?" in
		0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;;
		2) [ "$VERBOSE" != no ] && log_end_msg 1 ;;
	esac
	;;
  status)
       status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $?
       ;;
  restart|force-reload)
	if [ $GIT_DAEMON_ENABLE != true ]; then
		[ "$VERBOSE" != no ] && log_warning_msg "$NAME not enabled in /etc/default/$NAME, stopping..."
		do_stop
		case "$?" in
		  0|1)
			log_end_msg 0 ;;
		  *)
			log_end_msg 1 ;;
		esac
		exit
	fi
	log_daemon_msg "Restarting $DESC" "$NAME"
	do_stop
	case "$?" in
	  0|1)
		do_start
		case "$?" in
			0) log_end_msg 0 ;;
			1) log_end_msg 1 ;; # Old process is still running
			*) log_end_msg 1 ;; # Failed to start
		esac
		;;
	  *)
		# Failed to stop
		log_end_msg 1
		;;
	esac
	;;
  *)
	echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2
	exit 3
	;;
esac

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