$ git clone -n http://git.inferitos.ru/rpms/protobuf-c /var/lib/mock/inferit-8_8-bootstrap-build-28580-48386/root/chroot_tmpdir/scmroot/protobuf-c
Cloning into '/var/lib/mock/inferit-8_8-bootstrap-build-28580-48386/root/chroot_tmpdir/scmroot/protobuf-c'...
$ git fetch origin changed/i8c/protobuf-c-1.3.0-8.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/protobuf-c
 * [new tag]         changed/i8c/protobuf-c-1.3.0-8.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b4fc933 import protobuf-c-1.3.0-8.el8