build-node.xml

<?xml version="1.0"?>
<!DOCTYPE project>

<project name="build-nodejs" xmlns:antelope="antlib:ise.antelope.tasks">
	<import file="build-common.xml" />

	<macrodef name="node-execute">
		<attribute name="command"/>
		<attribute default="${user.dir}" name="working.dir" />

		<sequential>
			<exec dir="@{working.dir}" executable="${basedir}/tools/node-v${nodejs.version}/bin/@{command}">
				<arg line="${node.args}"/>
			</exec>
		</sequential>
	</macrodef>

	<target name="download-node">
		<if>
			<os arch="x86_32" family="mac" />
			<then>
				<propertycopy from="nodejs.url[osx32]" name="nodejs.url" />
			</then>
			<elseif>
				<os arch="x86_64" family="mac" />
				<then>
					<propertycopy from="nodejs.url[osx64]" name="nodejs.url" />
				</then>
			</elseif>
			<elseif>
				<os arch="amd" family="unix" />
				<then>
					<propertycopy from="nodejs.url[linux32]" name="nodejs.url" />
				</then>
			</elseif>
			<elseif>
				<os arch="amd64" family="unix" />
				<then>
					<propertycopy from="nodejs.url[linux64]" name="nodejs.url" />
				</then>
			</elseif>
			<elseif>
				<os arch="x86" family="windows" />
				<then>
					<propertycopy from="nodejs.url[windows32]" name="nodejs.url" />
				</then>
			</elseif>
			<elseif>
				<os arch="amd64" family="windows" />
				<then>
					<propertycopy from="nodejs.url[windows64]" name="nodejs.url" />
				</then>
			</elseif>
		</if>

		<if>
			<not>
				<isset property="nodejs.url" />
			</not>
			<then>
				<fail>
.

Unable to automatically detect the current operating system and architecture.
Please manually set the property "nodejs.url" in build.properties to the
location of NodeJS. An example value for OSX on a 64 bit architecture is
${nodejs.url[osx64]}.
				</fail>
			</then>
		</if>

		<if>
			<not>
				<available file="tools/node-v${nodejs.version}" />
			</not>
			<then>
				<antelope:stringutil string="${nodejs.url}" property="nodejs.file.beginindex">
					<antelope:lastindexof string="/" />
				</antelope:stringutil>

				<math
					datatype="int"
					operand1="${nodejs.file.beginindex}"
					operand2="1"
					operation="+"
					result="nodejs.file.beginindex"
				/>

				<antelope:stringutil string="${nodejs.url}" property="nodejs.file">
					<antelope:substring beginindex="${nodejs.file.beginindex}" />
				</antelope:stringutil>

				<mirrors-get dest="${nodejs.file}" src="${nodejs.url}" />

				<if>
					<contains string="${nodejs.file}" substring=".tar.gz" />
					<then>
						<exec executable="tar">
							<arg line="xfz ${nodejs.file} -C tools"/>
						</exec>

						<antelope:stringutil string="${nodejs.file}" property="nodejs.dir.endindex">
							<antelope:lastindexof string=".tar.gz" />
						</antelope:stringutil>

						<antelope:stringutil string="${nodejs.file}" property="nodejs.dir">
							<antelope:substring endindex="${nodejs.dir.endindex}" />
						</antelope:stringutil>

						<delete dir="tools/node-v${nodejs.version}" />

						<move file="tools/${nodejs.dir}" tofile="tools/node-v${nodejs.version}" />

						<mkdir dir="tools/node-v${nodejs.version}/node_modules" />

						<delete file="${nodejs.file}" />
					</then>
					<else>
						<move file="${nodejs.file}" todir="tools/node-v${nodejs.version}" />
					</else>
				</if>

				<if>
					<os family="windows" />
					<then>
						<mirrors-get
							dest="npm.zip"
							src="${nodejs.npm.url}"
						/>

						<unzip
							dest="tools/node-v${nodejs.version}"
							src="npm.zip"
						/>

						<delete file="npm.zip" />
					</then>
				</if>
			</then>
		</if>
	</target>

	<target name="node-execute" depends="download-node">
		<node-execute
			command="node"
		/>
	</target>

	<target name="npm-execute" depends="download-node">
		<node-execute
			command="npm"
			working.dir="tools/node-v${nodejs.version}"
		/>
	</target>
</project>