pomnk@calculate ~ $ sudo emerge --sync
>>> Syncing repository 'gentoo' into '/var/db/repos/gentoo'...
fatal: no upstream configured for branch 'master'
!!! git rev-parse error in /var/db/repos/gentoo
>>> Syncing repository 'calculate' into '/var/db/repos/calculate'...
>>> Syncing repository 'serg-sg' into '/var/db/repos/serg-sg'...
fatal: no upstream configured for branch 'master'
!!! git rev-parse error in /var/db/repos/calculate
/usr/bin/git fetch origin --depth 1
>>> Syncing repository 'distros' into '/var/db/repos/distros'...
fatal: no upstream configured for branch 'master'
!!! git rev-parse error in /var/db/repos/distros
remote: Total 0 (delta 0), reused 0 (delta 0), pack-reused 0
/usr/bin/git reset --merge refs/remotes/origin/master
=== Sync completed for serg-sg

Action: sync for repo: gentoo, returned code = 128
Action: sync for repo: calculate, returned code = 128
Action: sync for repo: distros, returned code = 128
Action: sync for repo: serg-sg, returned code = 0