$ git clone -n http://git.inferitos.ru/rpms/systemtap /var/lib/mock/inferit-8_8-build-17875-23083/root/chroot_tmpdir/scmroot/systemtap
Cloning into '/var/lib/mock/inferit-8_8-build-17875-23083/root/chroot_tmpdir/scmroot/systemtap'...
$ git fetch origin changed/i8c/systemtap-4.8-2.el8:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/systemtap
 * [new tag]         changed/i8c/systemtap-4.8-2.el8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f178fe edit changelog for import systemtap-4.8-2.el8