$ git clone -n http://git.inferitos.ru/rpms/mrtg /var/lib/mock/inferit-9_4-bootstrap-build-36174-73724/root/chroot_tmpdir/scmroot/mrtg
Cloning into '/var/lib/mock/inferit-9_4-bootstrap-build-36174-73724/root/chroot_tmpdir/scmroot/mrtg'...
$ git fetch origin changed/i9c-beta/mrtg-2.17.7-11.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/mrtg
 * [new tag]         changed/i9c-beta/mrtg-2.17.7-11.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 19f836c import mrtg-2.17.7-11.el9