$ git clone -n http://git.inferitos.ru/rpms/libxml__ /var/lib/mock/inferit-8_9-extras-build-34301-66129/root/chroot_tmpdir/scmroot/libxml__
Cloning into '/var/lib/mock/inferit-8_9-extras-build-34301-66129/root/chroot_tmpdir/scmroot/libxml__'...
$ git fetch origin changed/i8ce/libxml++-2.40.1-10.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/libxml__
 * [new tag]         changed/i8ce/libxml++-2.40.1-10.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55a972e import libxml++-2.40.1-10.el8