build.xml

<project name="Sample usage of Salesforce Ant tasks" default="test" basedir="." xmlns:sf="antlib:com.salesforce">

    <property file="build.properties"/>
    <property environment="env"/>

    <!-- Deploy the unpackaged set of metadata retrieved with retrieveUnpackaged -->
    <target name="deployUnpackaged">
      <sf:deploy username="${sf.username}" password="${sf.password}" serverurl="${sf.serverurl}" deployRoot="."/>
    </target>

    <!-- Deploy a zip of metadata files to the org -->
    <target name="deployZip">
      <sf:deploy username="${sf.username}" password="${sf.password}" serverurl="${sf.serverurl}" zipFile="${sf.zipFile}" pollWaitMillis="1000"/>
    </target>

    <!-- Shows deploying code & running tests for code in directory -->
    <target name="deployCode">
      <!-- Upload the contents of the "codepkg" directory, running the tests for just 1 class -->
      <sf:deploy username="${sf.username}" password="${sf.password}" serverurl="${sf.serverurl}" deployRoot="codepkg">
        <runTest>SampleDeployClass</runTest>
      </sf:deploy>
    </target>

    <!-- Shows removing code; only succeeds if done after deployCode -->
    <target name="undeployCode">
      <sf:deploy username="${sf.username}" password="${sf.password}" serverurl="${sf.serverurl}" deployRoot="removecodepkg"/>
    </target>

    <!-- Shows retrieving code; only succeeds if done after deployCode -->
    <target name="retrieveCode">
      <!-- Retrieve the contents listed in the file codepkg/package.xml into the codepkg directory -->
      <sf:retrieve username="${sf.username}" password="${sf.password}" serverurl="${sf.serverurl}" retrieveTarget="codepkg" unpackaged="codepkg/package.xml"/>
    </target>

    <!-- Shows deploying code, running all tests, and running tests (1 of which fails), and logging. -->
    <target name="deployCodeFailingTest">
      <!-- Upload the contents of the "codepkg" package, running all tests -->
      <sf:deploy username="${sf.username}" password="${sf.password}" serverurl="${sf.serverurl}" deployRoot="codepkg" runAllTests="true" logType="Debugonly"/>
    </target>

    <!-- Shows check only; never actually saves to the server -->
    <target name="deployCodeCheckOnly">
      <sf:deploy username="${sf.username}" password="${sf.password}" serverurl="${sf.serverurl}" deployRoot="codepkg" checkOnly="true"/>
    </target>

	<!-- Retrieve the information of all items of a particular metadata type -->
    <target name="listMetadata">
      <sf:listMetadata username="${sf.username}" password="${sf.password}" serverurl="${sf.serverurl}" metadataType="${sf.metadataType}"/>
    </target>

	<!-- Retrieve the information on all supported metadata type -->
    <target name="describeMetadata">
      <sf:describeMetadata username="${sf.username}" password="${sf.password}" serverurl="${sf.serverurl}"/>
    </target>
</project>