it would be very useful to have a search (content, filenames, comments) for the project archive?
Trac is able to do that with the RepoSearchPlugin (http://trac-hacks.org/wiki/RepoSearchPlugin).
#4 Updated by Jean-Philippe Lang about 10 years ago
Note that commit comments can already be searched:
#20 Updated by Terence Mill over 5 years ago
The "redmine_xapian" plugin supports filea and repository (git,svn) in one go now.
Testd and works for me on redmine 2.3.2, rails3 and ruby 2