I noticed while updating the tomcat 8.5 resources that the file tomcat-component-info.xml in the dist-git repo seems outdated. The list of JARs included does not cover all of the JARs in the distribution. The file is added to the repolib distribution and shipped in the following manner:

tomcat7-repolib-7.0.70-16.ep7.el7.noarch.rpm/usr/share/java/repository.jboss.com/apache-tomcat/7.0.70.redhat-16-brew/component-info.xml
tomcat8-repolib-8.0.36-17.ep7.el7.noarch.rpm/usr/share/java/repository.jboss.com/apache-tomcat/8.0.36.redhat-17-brew/component-info.xml

Comparing the contents of the file with the tomcat*/lib directory listing shows it doesn't have all the artifacts. Additionally, the tomcat8 file references tomcat 7 ("Tomcat 7.0 servlet 2.x web container")