build_npm.xml

<project name="SalesforceMobileSDK-Android-Package" basedir="." default="makeNpm">
    <target name="makeNpm">
        
        <!-- Create the temporary working folder. -->
        <tempfile property="packageTempDir" destdir="/tmp" prefix="sdkNpmBuild" />
        <mkdir dir="${packageTempDir}" />
        
        <!-- Make the npm package -->
        <echo>--- Creating the npm package ---</echo>
        <exec executable="npm" dir="${packageTempDir}" failonerror="true" logError="true">
            <arg value="pack" />
            <arg file="${basedir}" />
        </exec>
        
        <!-- Move the package to the root folder. -->
        <move todir="${basedir}" overwrite="true">
            <fileset dir="${packageTempDir}">
                <include name="forcedroid*" />
            </fileset>
        </move>
        <delete dir="${packageTempDir}" />
        
        <!-- Reset the repo (post-publish) -->
        <echo>--- Reverting the symbolic links ---</echo>
        <exec executable="node" failonerror="true" logError="true">
            <arg file="external/shared/node/postpublish.js" />
        </exec>
    </target>
</project>