$ git clone -n https://github.com/xcp-ng-rpms/openssh.git /var/lib/mock/v8.3-u-pcoval2-10555-29111/root/chroot_tmpdir/scmroot/openssh
Cloning into '/var/lib/mock/v8.3-u-pcoval2-10555-29111/root/chroot_tmpdir/scmroot/openssh'...
$ git fetch origin a0d24c0f8692c3583918c510eaf1fba5513748b8:KOJI_FETCH_HEAD
From https://github.com/xcp-ng-rpms/openssh
 * [new ref]         a0d24c0f8692c3583918c510eaf1fba5513748b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a0d24c0 bump release for test build