{'description': {'en': 'Misc ebuilds by Luke-Jr'},
 'homepage': 'http://luke.dashjr.org',
 'name': 'luke-jr',
 'owner': [{'email': 'luke-jr+gentoobugs@utopios.org', 'type': 'person'}],
 'quality': 'experimental',
 'source': [{'type': 'git',
             'uri': 'https://scm.dashjr.org/scmroot/git/portage-overlays/luke-jr'}],
 'status': 'unofficial'}
pkgcore 0.12.16

$ pmaint --config /var/lib/repo-mirror-ci/data-sync/etc/portage sync luke-jr
ERROR:pkgcore:Cannot write cache for /var/cache/pkgcore/plugincache: [Errno 13] Permission denied: '/var/cache/pkgcore/.update.plugincache'. Try running pplugincache.
WARNING:pkgcore:glarbs-overlay repo at '/var/lib/repo-mirror-ci/sync/glarbs-overlay', doesn't specify masters in metadata/layout.conf. Please explicitly set masters (use "masters =" if the repo is standalone).
*** syncing luke-jr
Already up to date.
*** synced luke-jr
 * 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 luke-jr
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