{'description': {'en': 'Gentoo RISC-V Overlay'},
 'feed': ['https://github.com/gentoo/riscv/commits/master.atom'],
 'homepage': 'https://github.com/gentoo/riscv',
 'name': 'riscv',
 'owner': [{'email': 'riscv@gentoo.org',
            'name': 'Gentoo RISC-V Development',
            'type': 'project'}],
 'quality': 'experimental',
 'source': [{'type': 'git', 'uri': 'https://github.com/gentoo/riscv.git'},
            {'type': 'git', 'uri': 'git@github.com:gentoo/riscv.git'}],
 'status': 'official'}
pkgcore 0.12.16

$ pmaint --config /var/lib/repo-mirror-ci/data-sync/etc/portage sync riscv
ERROR:pkgcore:Cannot write cache for /var/cache/pkgcore/plugincache: [Errno 13] Permission denied: '/var/cache/pkgcore/.update.plugincache'. Try running pplugincache.
*** syncing riscv
Already up to date.
*** synced riscv
 * 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 riscv
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