build.xml

<project name="jQuery.Tools" default="min">

	<taskdef resource="net/sf/antcontrib/antlib.xml"/> 
	<property name="version" value="1.2.5"/>
	<property name="build" value="build/${version}"/>
	<property name="file" value="none"/>
	
	<!-- replace @VERSION and @DATE tags -->
	<target name="sources">
 
		<!-- copy sources to build directory -->
		<mkdir dir="${build}"/> 
		<copy todir="${build}">
			<fileset dir="src"/>
		</copy>

		<!-- jQuery library -->
		<copy todir="${build}">
			<fileset dir="lib" includes="*.js"/>
		</copy>


		<!-- loop trough them -->
		<for param="file"> 
			<path>
				<fileset dir="${build}" includes="*/*.js" excludes="*/*.min.js"/>
			</path>
		
		  <sequential>
		  
		  		<!-- version number -->                             
				<replaceregexp match="@VERSION" replace="${version}" byline="true" file="@{file}" /> 
			
				<!-- last modified (via <git log> command) -->
				<propertyregex property="source" input="@{file}" override="yes" replace="\1" 
 					regexp=".+/\d.\d.\d/(.*)\.js"/>  
 				
				<exec executable="git" outputproperty="git.log" >  
					<arg line="log -1 src/${source}.js"/>  
				</exec> 			
				
				<propertyregex property="date" input="${git.log}" select="\1">  
					<regexp pattern="Date:(.+)"/>  
				</propertyregex>  
				
				<replaceregexp match="@DATE" replace="${date}" file="@{file}" /> 
				
		  </sequential>
		</for>
	</target>
	
	
	<!-- minify with Closure Compiler (default mode) --> 
	<target name="min" depends="sources">                                                   
		                            
		<!-- do the hard work -->   
		<apply                      
			executable="java" 
			parallel="false"         
			verbose="true"           
			dest="${build}">              
									
			 <fileset dir="${build}" includes="*/*.js" excludes="*/*.min.js"/>
			 <arg line="-jar"/>
			 <arg path="lib/compiler.jar"/>
			 <arg line="--js"/>
			 <srcfile/>
			 <arg line="--js_output_file"/>
			 <mapper type="glob" from="*.js" to="*.min.js"/>
			 <targetfile/>
		</apply>
		
	</target>
	
	<!--  lint (http://www.jslint.com/lint.html) -->
   <target name="lint">		 
		<if>
			<equals arg1="${file}" arg2="none" />
			
			<!-- loop trough all files -->
			<then>
				<for param="file"> 
					<path>
						<fileset dir="src" includes="**/*.js"/>
					</path>
						
					<sequential>
						<java jar="lib/rhino.jar" fork="true">
							<arg value="lib/jslint.js" />
							<arg value="@{file}" />
						</java>	
					</sequential>
				</for>
			</then>
			
			<!-- ant lint -Dfile=validator/validator.js -->
			<else>
				<java jar="lib/rhino.jar" fork="true">
					<arg value="lib/jslint.js" />
					<arg value="src/${file}" />
				</java>	
			</else>
			
		</if>
		
	</target> 
	
</project>