/etc/portage/repos.conf

can be a file or directory of files that specifies site-specific repository configuration information.

Format

 * Comments begin with  (no inline comments)
 * Configuration of each repository is specified in a section starting with
 * Attributes are specified in  format

as a single file
For an example of repos.conf as a monolithic file, run this command and search for the repos.conf section:

External resources

 * news-items 2015-02-04 portage-sync-changes