$ git clone -n http://git.inferitos.ru/rpms/dovecot /var/lib/mock/inferit-8_8-build-13461-23032/root/chroot_tmpdir/scmroot/dovecot
Cloning into '/var/lib/mock/inferit-8_8-build-13461-23032/root/chroot_tmpdir/scmroot/dovecot'...
$ git fetch origin changed/i8c/dovecot-2.3.16-3.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/dovecot
 * [new tag]         changed/i8c/dovecot-2.3.16-3.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1e94b2b edit changelog for import dovecot-2.3.16-3.el8