build.xml

<?xml version="1.0" ?>
<project name="argv-transformer" default="package">

  <!-- Debug Properties -->
  <property name="debug.enabled" value="on" />
  <property name="debug.level" value="lines,vars,source" />
  
  <!-- Paths -->
  <path id="project.class.path">
    <fileset dir="lib">
      <include name="**/*.jar" />
    </fileset>
    <dirset dir="build/classes">
      <include name="**" />
    </dirset>
  </path>

  <path id="src.paths">
    <pathelement location="src/java" />
  </path>
  <property name="src.paths" refid="src.paths" />

  <!-- Ensure Target Directories -->
  <target name="-init">
    <mkdir dir="build/classes" />
    <mkdir dir="build/depcache" />
    <mkdir dir="dist" />
  </target>

  <!-- Dependency Check -->
  <target name="-check-deps">
    <depend srcdir="${src.paths}" destdir="build/classes" cache="build/depcache" closure="yes" />
  </target>

  <!-- Compile -->
  <target name="compile" depends="-init,-check-deps" description="Compile the project">
    <javac includeantruntime="true"
           srcdir="${src.paths}"
           destdir="build/classes"
           debug="${debug.enabled}"
           debuglevel="${debug.level}">
          <classpath refid="project.class.path" />
        </javac>
  </target>

  <!-- Clean -->
  <target name="clean.build" description="Clean compiled files">
    <delete>
      <fileset dir="build/classes">
        <patternset>
          <include name="**" />
        </patternset>
      </fileset>
    </delete>
  </target>

  <!-- Packaging -->
  <target name="git.revision" description="Store git revision in ${repository.version}">
    <exec executable="git" outputproperty="git.revision" failifexecutionfails="false" errorproperty="">
      <arg value="log" />
      <arg value="-1" />
      <arg value="--pretty=format:%H" />
    </exec>
    <condition property="repository.version" value="${git.revision}" else="unknown">
      <and>
	<isset property="git.revision"/>
	<length string="${git.revision}" trim="yes" length="0" when="greater" />
      </and>
    </condition>
  </target>

  <target name="git.branch" description="Store git branch in ${repository.branch}">
    <exec executable="git" outputproperty="git.branch" failifexecutionfails="false" errorproperty="">
      <arg value="branch" />
      <arg value="--show-current" />
    </exec>
    <condition property="repository.branch" value="${git.branch}" else="unknown">
      <and>
	<isset property="git.branch"/>
	<length string="${git.branch}" trim="yes" length="0" when="greater" />
      </and>
    </condition>
  </target>

  <target name="package" depends="compile,git.branch,git.revision" description="Package utilities">
    <tstamp>
      <format property="time.stamp" pattern="yyyy-MM-dd'T'HH:mm:ss.SSSZ"/>
    </tstamp>
    <jar destfile="dist/transformer.jar">
      <manifest>
        <section name="transformer">
          <attribute name="Transformer-Branch" value="${repository.branch}" />
          <attribute name="Transformer-Commit" value="${repository.version}" />
          <attribute name="Transformer-CompiledDate" value="${time.stamp}" />
        </section>
      </manifest>
      <fileset dir="build/classes">
        <patternset>
          <include name="*/" />
        </patternset>
      </fileset>
    </jar>
  </target>
  
  <target name="clean.dist" description="Clean all JAR files.">
    <delete dir="dist" />
  </target>

  <!-- Project Cleanup -->
  <target name="clean"
          depends="clean.dist,clean.build"
          description="Clean all generated/compiled files."
          />
  
</project>