$ git clone -n http://git.inferitos.ru/rpms/sgml-common /var/lib/mock/inferit-8_8-build-13237-22968/root/chroot_tmpdir/scmroot/sgml-common
Cloning into '/var/lib/mock/inferit-8_8-build-13237-22968/root/chroot_tmpdir/scmroot/sgml-common'...
$ git fetch origin changed/i8c/sgml-common-0.6.3-50.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/sgml-common
 * [new tag]         changed/i8c/sgml-common-0.6.3-50.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a5236f9 edit changelog for import sgml-common-0.6.3-50.el8