{'description': {'en': "John's Collaboration Overlay"},
 'feed': ['https://github.com/john-r-graham/jrg-overlay/commits/master.atom'],
 'homepage': 'https://github.com/john-r-graham/jrg-overlay',
 'name': 'JRG',
 'owner': [{'email': 'john_r_graham@gentoo.org',
            'name': 'John R. Graham',
            'type': 'person'}],
 'quality': 'experimental',
 'source': [{'type': 'git',
             'uri': 'https://github.com/john-r-graham/jrg-overlay.git'},
            {'type': 'git',
             'uri': 'git@github.com:john-r-graham/jrg-overlay.git'}],
 'status': 'unofficial'}
pkgcore 0.12.28

$ pmaint --config /var/lib/repo-mirror-ci/data-sync/etc/portage sync JRG
WARNING:pkgcore:tex-overlay repo at '/var/lib/repo-mirror-ci/sync/tex-overlay', doesn't specify masters in metadata/layout.conf. Please explicitly set masters (use "masters =" if the repo is standalone).
*** syncing JRG
Already up to date.
*** synced JRG
 * 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 JRG
 * app-misc/freeplane-bin-1.9.12: failed sourcing ebuild: desktop: EAPI 6 not supported, (desktop.eclass, line  15:  called die)
 * sys-apps/dtc-1.4.1: failed sourcing ebuild: multilib: EAPI 6 not supported, (multilib.eclass, line  17:  called die)
 * Cache regen failed with 1