build.xml

<project name="EnchantingPlus" default="main">
    <property environment="env"/>

    <property file="build.properties" />

    <property name="build.dir" value="build"/>
    <property name="src.dir" value="src"/>
    <property name="resources.dir" value="resources"/>
    <property name="mcp.dir" value="mcp"/>

    <property name="mcp.version" value="1.5.1"/>

    <available file="./.git" type="dir" property="git.present" />

    <target name="clean">
        <delete dir="${build.dir}"/>
    </target>

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

    <target name="not-version-provided" unless="build.number">
        <condition property="build.number" value="${build.number}" else="beta">
            <isset property="test"/>
        </condition>
    </target>

    <target name="git.revision" if="git.present">
        <exec executable="git" dir="src" outputproperty="git.revision" failifexecutionfails="false" errorproperty="">
            <arg value="describe"/>
            <arg value="--tags"/>
            <arg value="--always"/>
            <arg value="--abbrev=0"/>
            <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>

    <target name="copy-src">
        <copy todir="${mcp.dir}/src/minecraft">
            <fileset dir="${src.dir}" />
            <filterset>
                <filter token="FINGERPRINT" value="${mod.fingerprint}" />
                <filter token="VERSION" value="${project.version.full}" />
        </filterset>
        </copy>
    </target>

    <target name="compile" depends="initialize-version,copy-src">
        <delete dir="${build.dir}/classes"/>
        <mkdir dir="${build.dir}/classes"/>

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

        <exec dir="${mcp.dir}" executable="bash" osfamily="unix">
            <arg line="recompile.sh" />
        </exec>

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

        <exec dir="${mcp.dir}" executable="bash" osfamily="unix">
            <arg line="reobfuscate_srg.sh"/>
        </exec>

        <copy todir="${build.dir}/classes/eplus">
            <fileset dir="${mcp.dir}/reobf/minecraft/eplus"/>
        </copy>

        <copy todir="${build.dir}/classes">
            <fileset dir="${resources.dir}">
                <exclude name="mcmod.info"/>
            </fileset>
        </copy>

        <copy todir="${build.dir}/classes">
            <fileset file="${resources.dir}/mcmod.info"/>
            <filterset>
                <filter token="VERSION" value="${project.version.full}" />
            </filterset>
        </copy>

        <delete dir="${mcp.dir}/src/minecraft/eplus"/>
    </target>

    <target name="package" depends="compile">
        <delete dir="${build.dir}/jar"/>
        <mkdir dir="${build.dir}/jar"/>
        <jar destfile="${build.dir}/jar/${ant.project.name}-${mcp.version}-${project.version.full}.jar" basedir="${build.dir}/classes"/>

        <signjar jar="${build.dir}/jar/${ant.project.name}-${mcp.version}-${project.version.full}.jar" keystore="${keystore.location}" alias="${keystore.alias}" storepass="${keystore.password}" />
    </target>

    <target name="main">
        <buildnumber file="build.num"/>
        <antcall target="package"/>
    </target>

    <target name="build-test">
        <antcall target="package"/>
    </target>

    <target name="build-number">
        <input message="Enter a build number:" addproperty="build.number"/>
        <antcall target="package" />
    </target>

</project>