$ git clone -n https://gitee.com/wenyuzifang/qpid-proton.git /var/lib/mock/dist-an23-build-464278-73881/root/chroot_tmpdir/scmroot/qpid-proton
Cloning into '/var/lib/mock/dist-an23-build-464278-73881/root/chroot_tmpdir/scmroot/qpid-proton'...
$ git fetch origin bf09e26242e2b1860b50a831a66860cea56402e2:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/qpid-proton
 * [new ref]         bf09e26242e2b1860b50a831a66860cea56402e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bf09e26 Update code from upstream