Add info about script usage and simplify it

SparkleShare/sparkleshare.in

@@ -0,0 +1,70 @@
+#!/bin/bash
+
+pidfile=/tmp/sparkleshare/sparkleshare.pid
+
+# Create a directory to save the pid to
+case $1 in
+  start)
+	if [ -e "${pidfile}" ]; then
+		sparklepid=`cat ${pidfile}`
+		if [ -n "`ps -p ${sparklepid} | grep ${sparklepid}`" ]
+		then
+			echo "SparkleShare is already running"
+			exit 0
+		else
+			echo "SparkleShare stale pid file found, starting a new instance"
+			rm -f $pidfile
+		fi
+	fi
+
+	echo -n "Starting SparkleShare..."
+	mkdir -p /tmp/sparkleshare/
+	# Start SparkleShare in the background and save the pid
+	mono "@expanded_libdir@/@PACKAGE@/SparkleShare.exe" $2 &
+	PID=$!
+	echo $PID > /tmp/sparkleshare/sparkleshare.pid
+	echo " Done."
+  ;;
+
+  stop)
+	if [ -e "/tmp/sparkleshare/sparkleshare.pid" ]; then
+		echo -n "Stopping SparkleShare..."
+		kill `cat /tmp/sparkleshare/sparkleshare.pid` 
+		rm -f /tmp/sparkleshare/sparkleshare.pid
+		echo " Done."
+	else
+		echo "SparkleShare isn't running."
+	fi
+  ;;
+
+  restart)
+	if [ -e "/tmp/sparkleshare/sparkleshare.pid" ]; then
+		echo -n "Stopping SparkleShare..."
+		kill `cat /tmp/sparkleshare/sparkleshare.pid` 
+		rm -f /tmp/sparkleshare/sparkleshare.pid
+		echo " Done."
+	else
+		echo "SparkleShare isn't running."
+	fi
+
+	if [ -e "/tmp/sparkleshare/sparkleshare.pid" ]; then
+		echo "SparkleShare is already running."
+	else
+		echo -n "Starting SparkleShare..."
+
+		# Start SparkleShare in the background and save the pid
+		mono "@expanded_libdir@/@PACKAGE@/SparkleShare.exe" $2 &
+		PID=$!
+		echo $PID > /tmp/sparkleshare/sparkleshare.pid
+		echo " Done."
+	fi
+  ;;
+
+  --help | help)
+		mono "@expanded_libdir@/@PACKAGE@/SparkleShare.exe" --help
+  ;;
+
+  *)
+		echo "Usage: sparkleshare {start|stop|restart|help}"
+  ;;
+esac