public FileEntry getOne(User user, String path, Long revision) {
		SVNRevision svnRev = (revision == null || revision == -1) ? SVNRevision.HEAD : SVNRevision.create(revision);
		return fileEntityRepository.findOne(user, path, svnRev);
	}
Get file entity for the given revision.

@param user     the user
@param path     path in the repo
@param revision revision. if -1, HEAD
@return file entity
ngrinder-controller/src/main/java/org/ngrinder/script/service/FileEntryService.java