ant-util.xml

<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<project>

  <description>
    Contains shared variables and common utility ant targets used by
    all Synoptic projects.
  </description>

  <!-- Where to find the libraries Synoptic depends on. -->
  <property name="util.synoptic.libdir" value="../lib"/>

  <!--=====================================================================-->
  <!-- Tests that the repository contains no uncommitted changes and
       fails if this is the case. Otherwise sets util.hg.revision to
       current hg revision. -->
  <target name="hg-rev-extract">
    <!-- Find out the current hg changeset id using 'hd id -i'. -->
    <exec executable="hg" outputproperty="util.hg.revision" failifexecutionfails="true" errorproperty="">
      <arg value="id" />
      <arg value="-i" />
    </exec>

    <!-- Check that the current repository does not include any
	 uncommitted changes. This is indicated by a '+' at the end of
	 ${util.hg.revision}. The hg.revision.ok property will be set
	 iff there are no uncommitted changes. -->
    <condition property="hg.revision.ok" value="true">
      <not>
	<contains string="${util.hg.revision}" substring="+" />
      </not>
    </condition>

    <fail unless="hg.revision.ok">Repository contains uncommitted changes (${util.hg.revision}). Cannot embed a definitive revision id. Please commit before running this ant target.</fail>

  </target>

</project>