$ git clone -n http://git.inferitos.ru/rpms/ceph /var/lib/mock/inferit-8_8-build-25631-44582/root/chroot_tmpdir/scmroot/ceph
Cloning into '/var/lib/mock/inferit-8_8-build-25631-44582/root/chroot_tmpdir/scmroot/ceph'...
$ git fetch origin changed/i8c/ceph-12.2.7-9.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/ceph
 * [new tag]         changed/i8c/ceph-12.2.7-9.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4a753b edit changelog for import ceph-12.2.7-9.el8