{'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': 'project'}],
 'quality': 'experimental',
 'source': [{'type': 'rsync',
             'uri': 'rsync://roverlay.dev.gentoo.org/roverlay'}],
 'status': 'official'}
$ pmaint sync R_Overlay
WARNING:pkgcore:repo lacks a defined name: '/home/mgorny/sync/abadonna-overlay'
WARNING:pkgcore:repo at '/home/mgorny/sync/abadonna-overlay', named 'abadonna-overlay', doesn't specify masters in metadata/layout.conf. Please explicitly set masters (use "masters =" if the repo is standalone).
receiving incremental file list

Number of files: 106,070 (reg: 93,300, dir: 12,770)
Number of created files: 0
Number of deleted files: 0
Number of regular files transferred: 0
Total file size: 78.58M bytes
Total transferred file size: 0 bytes
Literal data: 0 bytes
Matched data: 0 bytes
File list size: 2.90M
File list generation time: 0.001 seconds
File list transfer time: 0.000 seconds
Total bytes sent: 15.82K
Total bytes received: 3.12M

sent 15.82K bytes  received 3.12M bytes  70.36K bytes/sec
total size is 78.58M  speedup is 25.10
*** syncing R_Overlay
*** synced R_Overlay
 * Sync succeeded
$ stat --format=%y .
$ pmaint regen --use-local-desc --pkg-desc-index -t 1 R_Overlay
 * Cache regenerated successfully