Used getopts and added download feature

check_rc_upgrade.sh

@@ -10,9 +10,45 @@ MAX_CHECK=10
 MAX_FAILED=3
 SLEEP_ON_FAILED=10
 CHECK_URL=http://www.roundcube.net/download
+DOWNLOAD_DIR=$RC_HOME/../upstream
 
 DEBUG=0
-[ "$1" == "-v" ] && DEBUG=1
+DOWNLOAD=0
+
+function usage() {
+	echo "Usage : $0 [-v] [-d]"
+	echo "  -v   Verbose mode"
+	echo "  -d   Download new release"
+	echo "  -h   Display this help"
+}
+
+while getopts ":dvh" opt; do
+	case $opt in
+		v)
+			DEBUG=1
+		;;
+		d)
+			DOWNLOAD=1
+		;;
+		h)
+			usage
+			exit 0
+		;;
+		\?)
+                        echo "Invalid option: -$OPTARG" >&2
+			echo
+			usage
+			exit 1
+		;;
+		:)
+                        echo "Option -$OPTARG requires an argument." >&2
+			echo
+			usage
+                        exit 1
+                ;;
+
+	esac
+done
 
 [ -f "$0.local" ] && source "$0.local" && [ $DEBUG -eq 1 ] && echo "Import local config file : $0.local"
 
@@ -73,6 +109,19 @@ then
 	echo "Newest : $newest" >> $tmp
 	echo >> $tmp
 	echo "Download URL : $DOWNLOAD_URL" >> $tmp
+
+	if [ $DOWNLOAD -eq 1 ]
+	then
+		if [ -d "$DOWNLOAD_DIR" ]
+		then
+			cd "$DOWNLOAD_DIR"
+			[ $DEBUG -eq 1 ] && echo "Download new release in $( pwd )/roundcubemail-$newest.tar.gz"
+			wget -q -O "roundcubemail-$newest.tar.gz" "$DOWNLOAD_URL"
+			echo "Download file : $( pwd )/roundcubemail-$newest.tar.gz" >> $tmp
+		else
+			echo "[WARNING] Le dossier de telechargement n'existe pas ($DOWNLOAD_DIR)."
+		fi
+	fi
 	
 	M=0
 	if [ -f $CACHE ]