$ git clone -n https://gitee.com/mgb01105731/python-msgpack.git /var/lib/mock/dist-an23.3-build-494476-74591/root/chroot_tmpdir/scmroot/python-msgpack
Cloning into '/var/lib/mock/dist-an23.3-build-494476-74591/root/chroot_tmpdir/scmroot/python-msgpack'...
$ git fetch origin a23:KOJI_FETCH_HEAD
From https://gitee.com/mgb01105731/python-msgpack
 * [new branch]      a23        -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 65ecbfc rebuild