{'description': {'en': 'Guillaume Castagnino’s personal overlay.'},
 'homepage': 'https://gentoo.xwing.info',
 'name': 'xwing',
 'owner': [{'email': 'casta@xwing.info',
            'name': 'Guillaume Castagnino',
            'type': 'person'}],
 'quality': 'experimental',
 'source': [{'type': 'rsync',
             'uri': 'rsync://gentoo.xwing.info/xwing-overlay'}],
 'status': 'unofficial'}
pkgcore 0.12.16

$ pmaint --config /var/lib/repo-mirror-ci/data-sync/etc/portage sync xwing
ERROR:pkgcore:Cannot write cache for /var/cache/pkgcore/plugincache: [Errno 13] Permission denied: '/var/cache/pkgcore/.update.plugincache'. Try running pplugincache.
*** syncing xwing
This is xwing.info / alderaan.xwing.info

Contact Name   : webmaster@xwing.info


Number of files: 1 (reg: 1)
Number of created files: 0
Number of deleted files: 0
Number of regular files transferred: 1
Total file size: 32 bytes
Total transferred file size: 32 bytes
Literal data: 32 bytes
Matched data: 0 bytes
File list size: 48
File list generation time: 0.001 seconds
File list transfer time: 0.000 seconds
Total bytes sent: 85
Total bytes received: 132

sent 85 bytes  received 132 bytes  62.00 bytes/sec
total size is 32  speedup is 0.15
This is xwing.info / alderaan.xwing.info

Contact Name   : webmaster@xwing.info


Number of files: 91 (reg: 60, dir: 31)
Number of created files: 0
Number of deleted files: 0
Number of regular files transferred: 13
Total file size: 50.80K bytes
Total transferred file size: 9.56K bytes
Literal data: 9.56K bytes
Matched data: 0 bytes
File list size: 2.98K
File list generation time: 0.001 seconds
File list transfer time: 0.000 seconds
Total bytes sent: 371
Total bytes received: 9.70K

sent 371 bytes  received 9.70K bytes  4.03K bytes/sec
total size is 50.80K  speedup is 5.04
*** synced xwing
 * Sync succeeded
$ stat --format=%y .
$ pmaint --config /var/lib/repo-mirror-ci/data/etc/portage regen --use-local-desc --pkg-desc-index -t 32 xwing
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