build-dependencies.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE project>
<project name="dependencies">

	<!-- Folders and File Names -->

	<property name="dependencies.dir" value="deps" />

	<!-- Git Macros -->
	
	<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>

	<macrodef name="git-clone">
		<attribute name="repository" />
		<attribute name="dest" />
		<sequential>
			<git command="clone">
				<args>
					<arg value="@{repository}" />
					<arg value="@{dest}" />
				</args>
			</git>
		</sequential>
	</macrodef>
	
	<macrodef name="git-pull">
		<attribute name="dest" />
		<sequential>
			<git command="pull" dir="@{dest}" />
		</sequential>
	</macrodef>

	<macrodef name="git-clone-pull">
		<attribute name="repository" />
		<attribute name="dest" />
		<sequential>
			<git-clone repository="@{repository}" dest="@{dest}" />
			<git-pull dest="@{dest}" />
		</sequential>
	</macrodef>

	<macrodef name="git-clone-shallow">
		<attribute name="repository" />
		<attribute name="dest" />
		<sequential>
			<git command="clone">
				<args>
					<arg value="@{repository}" />
					<arg value="@{dest}" />
					<arg value="--depth=1" />
				</args>
			</git>
		</sequential>
	</macrodef>

	<macrodef name="git-export">
		<attribute name="repository" />
		<attribute name="dest" />
		<sequential>
			<git-clone-shallow repository="@{repository}" dest="@{dest}" />
			<delete dir="@{dest}/.git" includeemptydirs="true" casesensitive="false" /> 
		</sequential>
	</macrodef>

	<!-- GitHub Download Macros -->

	<macrodef name="github-dl">
		<attribute name="repository" />
		<attribute name="dest" />
		<attribute name="tag" />
		<attribute name="file" />
		<sequential>
			<echo message="Fetching https://github.com/@{repository}/releases/download/@{tag}/@{file}..." />
			<get retries="3" src="https://github.com/@{repository}/releases/download/@{tag}/@{file}" dest="@{dest}"/>
		</sequential>
	</macrodef>

	<!-- Maven Download Macros -->

	<property name="maven.base.url" value="https://repo1.maven.org/maven2" />

	<macrodef name="maven-jar-dl" description="Download a Maven Jar. Does not pull associated dependencies.">
		<attribute name="base-url" default="${maven.base.url}" description="The base artifact Repository URL." />
		<attribute name="group-path" description="The artifact group with slashes instead of dots." />
		<attribute name="artifact" description="The artifact name." />
		<attribute name="version" description="The artifact version (with appendices like -RELEASE, if any)." />
		<attribute name="extension" default="" description="What to add after the version in the file." />
		<attribute name="dest" default="${dependencies.dir}" description="The target download directory." />
		<sequential>
			<local name="download.jar.file.url" />
			<property name="download.jar.file.url" value="@{base-url}/@{group-path}/@{artifact}/@{version}/@{artifact}-@{version}@{extension}.jar" />
			<echo message="Fetching ${download.jar.file.url}..." />
			<get retries="3" src="${download.jar.file.url}" dest="@{dest}"/>
		</sequential>
	</macrodef>

	<macrodef name="maven-jar-sources-dl" description="Download a Maven -sources Jar.">
		<attribute name="base-url" default="${maven.base.url}" description="The base artifact Repository URL." />
		<attribute name="group-path" description="The artifact group with slashes instead of dots." />
		<attribute name="artifact" description="The artifact name." />
		<attribute name="version" description="The artifact version (with appendices like -RELEASE, if any)." />
		<attribute name="dest" default="${dependencies.dir}" description="The target download directory." />
		<sequential>
			<maven-jar-dl 
				dest="@{dest}" 
				base-url="@{base-url}" 
				group-path="@{group-path}" 
				artifact="@{artifact}" 
				version="@{version}" 
				extension="-sources" 
			/>
		</sequential>
	</macrodef>

	<macrodef name="maven-jar-javadoc-dl" description="Download a Maven -javadoc Jar.">
		<attribute name="base-url" default="${maven.base.url}" description="The base artifact Repository URL." />
		<attribute name="group-path" description="The artifact group with slashes instead of dots." />
		<attribute name="artifact" description="The artifact name." />
		<attribute name="version" description="The artifact version (with appendices like -RELEASE, if any)." />
		<attribute name="dest" default="${dependencies.dir}" description="The target download directory." />
		<sequential>
			<maven-jar-dl 
				dest="@{dest}" 
				base-url="@{base-url}" 
				group-path="@{group-path}" 
				artifact="@{artifact}" 
				version="@{version}" 
				extension="-javadoc" 
			/>
		</sequential>
	</macrodef>

	<!-- Targets -->

	<target name="clean.dependencies">
		<delete quiet="true" includeemptydirs="true">
			<fileset dir="${dependencies.dir}" includes="**/*" defaultexcludes="false" />
		</delete>
	</target>
	
	<target name="init.dependencies" depends="clean.dependencies">
		<mkdir dir="${dependencies.dir}" />
	</target>

	<target name="dependency.properties">
		<echo message="Writing to build.properties...." />
		<echo message="dev.base=${dependencies.dir}&#10;" file="build.properties" append="true" />
	</target>
	
</project>