{'description': {'en': 'User overlay'},
 'feed': ['https://github.com/Hamper/hamper-overlay/commits/master.atom'],
 'homepage': 'https://github.com/hamper/hamper-overlay',
 'name': 'hamper-overlay',
 'owner': [{'email': 'hamper.nhs@gmail.com',
            'name': 'Alexander Pilipenko',
            'type': 'person'}],
 'quality': 'experimental',
 'source': [{'type': 'git',
             'uri': 'https://github.com/Hamper/hamper-overlay.git'},
            {'type': 'git',
             'uri': 'git+ssh://git@github.com/Hamper/hamper-overlay.git'}],
 'status': 'unofficial'}
pkgcore 0.12.28

$ pmaint --config /var/lib/repo-mirror-ci/data-sync/etc/portage sync hamper-overlay
WARNING:pkgcore:mv repo at '/var/lib/repo-mirror-ci/sync/mv', doesn't specify masters in metadata/layout.conf. Please explicitly set masters (use "masters =" if the repo is standalone).
WARNING:pkgcore:flexibeast repo at '/var/lib/repo-mirror-ci/sync/flexibeast', doesn't specify masters in metadata/layout.conf. Please explicitly set masters (use "masters =" if the repo is standalone).
WARNING:pkgcore:gbrlsnchs repo at '/var/lib/repo-mirror-ci/sync/gbrlsnchs', doesn't specify masters in metadata/layout.conf. Please explicitly set masters (use "masters =" if the repo is standalone).
*** syncing hamper-overlay
Already up to date.
*** synced hamper-overlay
 * 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 hamper-overlay
 * Cache regenerated successfully