properties.xml

<project name="properties" default="build">

  <!-- Define the repo root as a property, and resolve to an absolute file path. -->
  <property name="repo.root.relative" value="${core.phing.dir}/../../.."/>
  <resolvepath propertyName="repo.root" file="${repo.root.relative}"/>

  <!-- Load the root project.yml file for this project. -->
  <property file="${repo.root}/project.yml" override="true"/>

  <!-- Load the local project.local.yml file for this project. -->
  <!--@todo Change this so that it is only loaded for local:* targets. -->
  <if>
    <available file="${repo.root}/project.local.yml" type="file" property="local.properties"/>
    <then>
      <property file="${repo.root}/project.local.yml" override="true"/>
    </then>
  </if>

  <!-- Load file directory and binary locations. -->
  <property file="${core.phing.dir}/build.yml" override="true"/>

  <!-- Extract PHP variable values from local.settings.php. -->
  <property name="local.settings.file" value="${docroot}/sites/${multisite.name}/settings/local.settings.php" />
  <copy file="${docroot}/sites/${multisite.name}/settings/default.local.settings.php" tofile="${local.settings.file}" overwrite="false" verbose="true"/>

  <echo>Executing commands against multisite "${multisite.name}"</echo>
  <echo>Using settings file ${local.settings.file}</echo>

  <!-- Extracts value of $options['uri'] and outputs to local_url property in Phing. -->
  <phpVariable file="${repo.root}/drush/drushrc.php" variable="options[uri]" outputProperty="local_url" />

  <!-- Default drush alias. -->
  <property name="drush.default_alias" value="self" override="false" />
  <property name="drush.alias" value="${drush.default_alias}" override="false" />
</project>