This project builds solr using svn externals and a pom to introdcue the standard solr webapp into our maven build process.

Specifically, java code from
http://svn.apache.org/repos/asf/lucene/solr/branches/branch-1.4/src/webapp/src/

And web files from 
http://svn.apache.org/repos/asf/lucene/solr/branches/branch-1.4/src/webapp/web/

Are included in this project by

svn propedit svn:externals 1.4.0/src/main
and adding the single line
webapp http://svn.apache.org/repos/asf/lucene/solr/branches/branch-1.4/src/webapp/web

svn propedit svn:externals 1.4.0/src/main/java/org/apache
and adding the single line
solr http://svn.apache.org/repos/asf/lucene/solr/branches/branch-1.4/src/org/apache