{'description': {'en': 'Serious Sam Classic v1.10 with mods'},
 'feed': ['https://github.com/tx00100xt/serioussam-overlay/commits/main.atom'],
 'homepage': 'https://github.com/tx00100xt/serioussam-overlay',
 'name': 'serioussam',
 'owner': [{'email': 't.x00100x.t@yandex.ru',
            'name': 'tx00100xt',
            'type': 'person'}],
 'quality': 'experimental',
 'source': [{'type': 'git',
             'uri': 'https://github.com/tx00100xt/serioussam-overlay.git'}],
 'status': 'unofficial'}
pkgcore 0.12.16

$ pmaint --config /var/lib/repo-mirror-ci/data-sync/etc/portage sync serioussam
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 serioussam
Already up to date.
*** synced serioussam
 * 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 serioussam
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