$ git clone -n https://gitee.com/zhonglingh/python-pyarrow.git /var/lib/mock/dist-an23-epao-build-303093-66025/root/chroot_tmpdir/scmroot/python-pyarrow
Cloning into '/var/lib/mock/dist-an23-epao-build-303093-66025/root/chroot_tmpdir/scmroot/python-pyarrow'...
$ git fetch origin 70711c9809bc35716b831c13313b4f5f74086e0c:KOJI_FETCH_HEAD
From https://gitee.com/zhonglingh/python-pyarrow
 * [new ref]         70711c9809bc35716b831c13313b4f5f74086e0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70711c9 WIP