Share maven2 cache for ivy

ivysettings.xml

<?xml version="1.0" encoding="UTF-8"?>
<ivysettings>
  <include url="${ivy.default.settings.dir}/ivysettings-public.xml" />
  <settings defaultResolver="default" />
  <property name="m2.dir" value="${user.home}/.m2/repository" />
  <property name="m2.pattern" value="[organisation]/[module]/[revision]/[module]-[revision](-[classifier]).[ext]" />
  <resolvers>
    <filesystem name="local" m2compatible="true">
      <artifact pattern="${m2.dir}/${m2.pattern}" />
      <ivy pattern="${m2.dir}/${m2.pattern}" />
    </filesystem>
    <chain name="default" returnFirst="true" changingPattern=".*SNAPSHOT">
      <resolver ref="local" />
      <resolver ref="public" />
    </chain>
  </resolvers>
  <caches default="m2.cache" defaultCacheDir="${m2.dir}">
    <cache name="m2.cache" artifactPattern="${m2.pattern}" ivyPattern="${m2.pattern}" />
  </caches>
</ivysettings>