build.xml

<project name="BuildCraft" default="main">
	<property environment="env"/>
	<!-- Properties -->

	<property name="build.dir" value="build"/>
	<property name="src.dir" value="."/>
	<property name="lang.dir" value="../buildcraft.localization"/>
	<property name="resources.dir" value="buildcraft_resources"/>

	<property name="download.dir" value="download"/>

	<property name="classes.dir" value="${build.dir}/classes"/>
	<property name="jar.dir" value="bin"/>

	<property name="forge.dir" value="${build.dir}/forge"/>
	<property name="mcp.dir" value="${forge.dir}/mcp"/>

	<property name="mcpsrc.dir" value="${mcp.dir}/src"/>

	<property name="mc.version" value="1.5.1"/>
	<property name="forge.version" value="7.7.1.623"/>
<!--	<property name="project.version" value="0.0.0"/>-->

	<property name="forge.name" value="minecraftforge-src-${mc.version}-${forge.version}.zip"/>

	<available property="forge-exists" file="${download.dir}/${forge.name}"/>
	<available file=".git" type="dir" property="git.present"/>

	<condition property="out-of-date">
		<not>
			<and>
				<available file="${download.dir}/${forge.name}"/>
				<available file="${mcpsrc.dir}"/>
			</and>
		</not>
	</condition>

	<mkdir dir="${download.dir}"/>

	<!-- Targets -->

	<!-- Clear build directory -->
	<target name="clean">
		<delete dir="${build.dir}"/>
	</target>

	<!-- Set full version -->
	<target name="initialize-version" depends="version-provided,version-not-provided,git.revision">
		<property name="project.version.full" value="${project.version}.${build.number}"/>
	</target>

	<!-- Set unknown build number -->
	<target name="version-not-provided" unless="env.BUILD_NUMBER">
		<property name="build.number" value="unknown"/>
	</target>

	<!-- Set build number from environment -->
	<target name="version-provided" if="env.BUILD_NUMBER">
		<property name="build.number" value="${env.BUILD_NUMBER}"/>
	</target>
	
	<target name="git.revision" if="git.present">
		<exec executable="git" outputproperty="git.revision" failifexecutionfails="false" errorproperty="">
			<arg value="describe"/>
			<arg value="--tags"/>
			<arg value="--always"/>
			<arg value="HEAD"/>
		</exec>
		<condition property="project.version" value="${git.revision}" else="0.0.0">
			<and>
				<isset property="git.revision"/>
				<length string="${git.revision}" trim="yes" length="0" when="greater"/>
			</and>
		</condition>
	</target>	

	<!-- Download necessary files -->
	<target name="download-files" depends="download-forge"/>

	<!-- Download forge (if it doesn't exist) -->
	<target name="download-forge" unless="forge-exists">
		<get src="http://files.minecraftforge.net/${forge.name}" dest="${download.dir}" usetimestamp="True"/>
	</target>

	<!-- Setup mcp and forge -->
	<target name="setup" depends="download-files" if="out-of-date">

		<delete dir="${forge.dir}" failonerror="false"/>

		<unzip dest="${forge.dir}/.." src="${download.dir}/${forge.name}"/>

		<!-- Fix executable permissions -->
		<chmod dir="${forge.dir}" perm="ugo+rx" includes="**.sh"/>

		<!-- Install forge -->
		<exec dir="${forge.dir}" executable="cmd" osfamily="windows">
			<arg line="/c install.cmd"/>
		</exec>

		<exec dir="${forge.dir}" executable="sh" osfamily="unix">
			<arg value="install.sh"/>
		</exec>

	</target>

	<target name="compile" depends="initialize-version,setup">

		<delete dir="${classes.dir}"/>
		<mkdir dir="${classes.dir}"/>

		<!-- Copy sources -->
		<copy todir="${mcpsrc.dir}/minecraft">
			<fileset dir="${src.dir}/common"/>
			<filterset>
				<filter token="VERSION" value="${project.version.full}" />
				<filter token="BUILD_NUMBER" value="${build.number}" />
			</filterset>
		</copy>

		<!-- Recompile -->
		<exec dir="${mcp.dir}" executable="cmd" osfamily="windows">
			<arg line="/c recompile.bat"/>
		</exec>

		<exec dir="${mcp.dir}" executable="sh" osfamily="unix">
			<arg value="recompile.sh"/>
		</exec>
		
		<!-- Check for failure -->
		<fail message="MCP failed to build">
			<condition>
				<resourcecontains resource="${mcp.dir}/logs/client_compile.log" substring="error:"/>
			</condition>
		</fail>
		
		<!-- Reobfuscate -->
		<exec dir="${mcp.dir}" executable="cmd" osfamily="windows">
			<arg line="/c reobfuscate.bat"/>
		</exec>

		<exec dir="${mcp.dir}" executable="sh" osfamily="unix">
			<arg value="reobfuscate.sh"/>
		</exec>

		<!-- Copy classes -->
		<copy todir="${classes.dir}">
			<fileset dir="${mcp.dir}/reobf/minecraft"/>
		</copy>

		<!-- Copy resources -->
		<copy todir="${classes.dir}">
			<fileset dir="${resources.dir}">
				<exclude name="build.xml"/>
			</fileset>
		</copy>

		<!-- Copy localizations -->
    	<copy todir="${classes.dir}" failonerror="false">
    		<fileset dir="${lang.dir}">
                <exclude name="README.md"/>
    		</fileset>
    	</copy>

		<!-- Reset src dir to post-forge-install state -->
		<delete dir="${mcpsrc.dir}/minecraft/buildcraft"/>

	</target>

	<!-- Package the compiled files -->
	<target name="package" depends="compile">

		<delete dir="${jar.dir}"/>
		<mkdir dir="${jar.dir}"/>
		<jar destfile="${jar.dir}/${ant.project.name}-${mc.version}-${project.version.full}.jar" basedir="${classes.dir}"/>
		<copy todir="${jar.dir}/changelog">
			<fileset dir="${resources.dir}/changelog">
				<include name="*" />
			</fileset>
		</copy>

	</target>

	<!-- Default target to run -->
	<target name="main" depends="package"/>

</project>