$ git clone -n https://gitee.com/src-opencloudos-rpms/libXau.git /var/lib/mock/dist-oc9-build-41928-14591/root/chroot_tmpdir/scmroot/libXau
Cloning into '/var/lib/mock/dist-oc9-build-41928-14591/root/chroot_tmpdir/scmroot/libXau'...
$ git fetch origin oc9:KOJI_FETCH_HEAD
From https://gitee.com/src-opencloudos-rpms/libXau
 * [new branch]      oc9        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 23dbd58 import libXau-1.0.9-3.tl4