$ git clone -n http://git.inferitos.ru/rpms/tk /var/lib/mock/inferit-10_0-bootstrap-build-77307-151435/root/chroot_tmpdir/scmroot/tk
Cloning into '/var/lib/mock/inferit-10_0-bootstrap-build-77307-151435/root/chroot_tmpdir/scmroot/tk'...
$ git fetch origin changed/i10c-beta/tk-8.6.13-4.el10:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/tk
 * [new tag]         changed/i10c-beta/tk-8.6.13-4.el10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 39bb587 import tk-8.6.13-4.el10