$ git clone -n http://git.inferitos.ru/rpms/mythes-es /var/lib/mock/inferit-8_8-build-15344-23060/root/chroot_tmpdir/scmroot/mythes-es
Cloning into '/var/lib/mock/inferit-8_8-build-15344-23060/root/chroot_tmpdir/scmroot/mythes-es'...
$ git fetch origin changed/i8c/mythes-es-2.3-1.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/mythes-es
 * [new tag]         changed/i8c/mythes-es-2.3-1.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 45a1247 edit changelog for import mythes-es-2.3-1.el8