$ git clone -n http://git.inferitos.ru/rpms/rootfiles /var/lib/mock/inferit-9_6-bootstrap-build-94342-179744/root/chroot_tmpdir/scmroot/rootfiles
Cloning into '/var/lib/mock/inferit-9_6-bootstrap-build-94342-179744/root/chroot_tmpdir/scmroot/rootfiles'...
$ git fetch origin changed/i9c-beta/rootfiles-8.1-34.el9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/rootfiles
 * [new tag]         changed/i9c-beta/rootfiles-8.1-34.el9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 612872d import rootfiles-8.1-34.el9