$ git clone -n http://git.inferitos.ru/rpms/zimg /var/lib/mock/inferit-8_9-extras-build-34338-66546/root/chroot_tmpdir/scmroot/zimg
Cloning into '/var/lib/mock/inferit-8_9-extras-build-34338-66546/root/chroot_tmpdir/scmroot/zimg'...
$ git fetch origin changed/i8ce/zimg-3.0.5-1.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/zimg
 * [new tag]         changed/i8ce/zimg-3.0.5-1.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2a3122b import zimg-3.0.5-1.el8