<macrodef name="git">
	<attribute name="command" />
	<attribute name="dir" default="" />
	<element name="args" optional="true" />
	<sequential>
		<echo message="git @{command}" />
		<exec executable="git" dir="@{dir}">
			<arg value="@{command}" />
			<args/>
		</exec>
	</sequential>
</macrodef>