It's cumbersome and prone to typos. Also several other commands and options are abbreviating repository to "repo": get_repo_path get_repos <eroot> --repo --all-repos I suggest "repo_config" or "repos_config".
(In reply to Ulrich Müller from comment #0) There is master_repositories command :) .
(In reply to Arfrever Frehtes Taifersar Arahesis from comment #1) > There is master_repositories command :) . Yeah, shorten that one too, while you're at it. ;)
This is fixed in git: http://git.overlays.gentoo.org/gitweb/?p=proj/portage.git;a=commit;h=658bffea09b4acf291ddc02a810d14d5a966b911
This is fixed in 2.1.13 and 2.2.0_alpha189.