svn update via ANT

antsvnupdate.xml

<!--   Properties to be set by SVN   $ID$   $REV$  -->  
<project name="SVN Update" default="update" basedir=".">   
   <description>    Updates to head revision   </description>      
   <!--  all properties are in build.properties -->    
   <property file="build.properties" />       
   <!-- path to the svnant libraries. Usually they will be located in ANT_HOME/lib -->   
   <path id="svnant.classpath">    
      <fileset dir="${ant.home}">     
      <include name="**/*.jar"/>    
      </fileset>   
   </path>       

   <!-- load the svn task -->   
   <typedef resource="org/tigris/subversion/svnant/svnantlib.xml" classpathref="svnant.classpath" />      

   <target name="updateserver">       
      <echo message="Automatic updater" />        
      <property name="svn.username" value="xxxxx" />       
      <property name="svn.password" value="xxxxx" />        
      <!-- update working copy to make sure -->    
      <echo message="updating working copy at ${svn.dev.wc}" />        
      <svn username="${svn.username}" password="${svn.password}">            
         <update dir="${svn.dev.wc}"/>        
      </svn>       
   </target>       
</project>