$ git clone -n https://gitee.com/zhonglingh/python-pyarrow.git /var/lib/mock/dist-an23-epao-build-303204-66031/root/chroot_tmpdir/scmroot/python-pyarrow
Cloning into '/var/lib/mock/dist-an23-epao-build-303204-66031/root/chroot_tmpdir/scmroot/python-pyarrow'...
$ git fetch origin dbdfa8a9e77807a1dc16986ea21722d8c3e34d22:KOJI_FETCH_HEAD
From https://gitee.com/zhonglingh/python-pyarrow
 * [new ref]         dbdfa8a9e77807a1dc16986ea21722d8c3e34d22 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dbdfa8a WIP