$ git clone -n http://git.inferitos.ru/rpms/samba /var/lib/mock/inferit-8_9-updates-build-34995-70135/root/chroot_tmpdir/scmroot/samba
Cloning into '/var/lib/mock/inferit-8_9-updates-build-34995-70135/root/chroot_tmpdir/scmroot/samba'...
$ git fetch origin changed/i8c/samba-4.18.6-2.el8_9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/samba
 * [new tag]         changed/i8c/samba-4.18.6-2.el8_9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf85248 import samba-4.18.6-2.el8_9