$ git clone -n https://github.com/xcp-ng-rpms/openssh.git /var/lib/mock/v8.3-incoming-11564-29873/root/chroot_tmpdir/scmroot/openssh
Cloning into '/var/lib/mock/v8.3-incoming-11564-29873/root/chroot_tmpdir/scmroot/openssh'...
$ git fetch origin 9d2d005fbfe43da9883db3a4c468c5f92c8493c6:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/openssh
 * [new ref]         9d2d005fbfe43da9883db3a4c468c5f92c8493c6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d2d005 Fix: Potential ECDSA Authorized_Keys ByPass