[packages] mysql: further init script cleanup

git-svn-id: svn://svn.openwrt.org/openwrt/packages@24567 3c298f89-4303-0410-b956-a3cf2f4a3e73

libs/mysql/files/mysqld.init

@@ -1,27 +1,29 @@
 #!/bin/sh /etc/rc.common
 # Copyright (C) 2010 OpenWrt.org
+
 START=95
 STOP=10
 
-
 PID=/var/run/mysqld.pid
 CMD=/usr/bin/mysqld
 
 start() {
-    DATADIR=`grep datadir /etc/my.cnf | cut -f 2 -d =`
-    if [ !  -d $DATADIR ]; then
-    	echo "Error: datadir in /etc/my.cnf ($DATADIR) doesn't exist"
-    	return 1
-    elif [ ! -f $DATADIR/mysql/tables_priv.MYD ]; then
+	local datadir=$(sed -n -e 's/^[[:space:]]*datadir[[:space:]]*=[[:space:]]*//p' /etc/my.cnf)
+	if [ ! -d "$datadir" ]; then
+		echo "Error: datadir in /etc/my.cnf ($datadir) doesn't exist"
+		return 1
+	elif [ ! -f "$datadir/mysql/tables_priv.MYD" ]; then
 		echo "Error: I didn't detect a privileges table, you might need to run mysql_install_db --force to initialize the system tables"
 		return 1
-    else
+	else
+		echo -n "Starting MySQL daemon... "
 		start-stop-daemon -x $CMD -b -S -- --pid-file=$PID
-    fi
+		echo "done"
+	fi
 }
 
 stop() {
-    echo -n "Stopping Mysqld..."
-    service_kill ${CMD##*/} $PID
-    echo "done"
+	echo -n "Stopping MySQL daemon... "
+	service_kill ${CMD##*/} $PID
+	echo "done"
 }