$ git clone -n https://gitee.com/mgb01105731/openssh_2.git /var/lib/mock/dist-an23.1-devel-build-367249-71320/root/chroot_tmpdir/scmroot/openssh_2
Cloning into '/var/lib/mock/dist-an23.1-devel-build-367249-71320/root/chroot_tmpdir/scmroot/openssh_2'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/openssh_2
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 160c82e update to 9.3p2