Improve the mirroring support.
diff --git a/releng/org.eclipse.emf.ecoretools.releng.buckminster/promoter.ant b/releng/org.eclipse.emf.ecoretools.releng.buckminster/promoter.ant
index 9e398b4..912f144 100644
--- a/releng/org.eclipse.emf.ecoretools.releng.buckminster/promoter.ant
+++ b/releng/org.eclipse.emf.ecoretools.releng.buckminster/promoter.ant
@@ -209,13 +209,31 @@
<property name="composite.repository.directory" location="${downloads.area}/updates/${composite.repository.base}" />
<property name="composite.repository.url" value="file:/${composite.repository.directory}" />
<property name="build.repository.directory" location="${composite.repository.directory}/${saved.build.id}" />
+ <property name="build.repository.template" location="${composite.repository.directory}/template" />
<delete dir="${build.repository.directory}" />
<mkdir dir="${build.repository.directory}" />
+ <!--
+ We seed the metadata repository with the repository references and the mirroring
+ information specified in the template
+ -->
<copy todir="${build.repository.directory}">
- <fileset dir="${build.root}/archive/${repository.base}" />
+ <fileset dir="${build.repository.template}">
+ <filename name="content.xml" />
+ </fileset>
</copy>
+ <p2.mirror>
+ <repository location="file:/${build.repository.directory}" kind="M" />
+ <!--
+ Seeding does not work for artifact repository - missing artifacts are reported.
+ Fortunately we can use the format attribute to obtain the same effect.
+ -->
+ <repository location="file:/${build.repository.directory}" kind="A" format="file:/${build.repository.template}" />
+ <source>
+ <repository location="file:/${build.root}/archive/${repository.base}" />
+ </source>
+ </p2.mirror>
<p2.composite.repository destination="${composite.repository.url}">
<add>
