{'description': {'en': "optiz0r's sihnon overlay"},
 'feed': ['https://github.com/optiz0r/gentoo-overlay/commits/master.atom'],
 'homepage': 'https://github.com/optiz0r/gentoo-overlay',
 'name': 'sihnon',
 'owner': [{'email': 'optiz0r@gmail.com', 'name': 'optiz0r', 'type': 'person'}],
 'quality': 'experimental',
 'source': [{'type': 'git',
             'uri': 'https://github.com/optiz0r/gentoo-overlay.git'},
            {'type': 'git',
             'uri': 'git@github.com:optiz0r/gentoo-overlay.git'}],
 'status': 'unofficial'}
pkgcore 0.12.16

$ pmaint --config /var/lib/repo-mirror-ci/data-sync/etc/portage sync sihnon
ERROR:pkgcore:Cannot write cache for /var/cache/pkgcore/plugincache: [Errno 13] Permission denied: '/var/cache/pkgcore/.update.plugincache'. Try running pplugincache.
WARNING:pkgcore:sergiotarxz repo at '/var/lib/repo-mirror-ci/sync/sergiotarxz', doesn't specify masters in metadata/layout.conf. Please explicitly set masters (use "masters =" if the repo is standalone).
*** syncing sihnon
Already up to date.
*** synced sihnon
 * Sync succeeded
$ git log --format=%ci -1
$ git show -q --pretty=format:%G? HEAD
$ pmaint --config /var/lib/repo-mirror-ci/data/etc/portage regen --use-local-desc --pkg-desc-index -t 32 sihnon
ERROR:pkgcore:Cannot write cache for /var/cache/pkgcore/plugincache: [Errno 13] Permission denied: '/var/cache/pkgcore/.update.plugincache'. Try running pplugincache.
 * Cache regenerated successfully