{'description': {'en': 'Gentoo overlay of R packages'},
 'homepage': 'https://cgit.gentoo.org/proj/R_overlay.git/',
 'name': 'R_Overlay',
 'owner': [{'email': 'heroxbd@gentoo.org',
            'name': 'Benda Xu',
            'type': 'person'}],
 'quality': 'experimental',
 'source': [{'type': 'rsync',
             'uri': 'rsync://roverlay.dev.gentoo.org/roverlay'}],
 'status': 'official'}
pkgcore 0.12.28

$ pmaint --config /var/lib/repo-mirror-ci/data-sync/etc/portage sync R_Overlay
*** syncing R_Overlay

Number of files: 136,816 (reg: 112,127, dir: 24,689)
Number of created files: 0
Number of deleted files: 0
Number of regular files transferred: 0
Total file size: 96.83M bytes
Total transferred file size: 0 bytes
Literal data: 0 bytes
Matched data: 0 bytes
File list size: 1.46M
File list generation time: 0.001 seconds
File list transfer time: 0.000 seconds
Total bytes sent: 25.36K
Total bytes received: 4.08M

sent 25.36K bytes  received 4.08M bytes  1.64M bytes/sec
total size is 96.83M  speedup is 23.57
*** synced R_Overlay
 * Sync succeeded
$ stat --format=%y .
$ pmaint --config /var/lib/repo-mirror-ci/data/etc/portage regen --use-local-desc --pkg-desc-index -t 32 R_Overlay
 * Cache regenerated successfully