$ git clone -n https://gitee.com/zhonglingh/python-pyarrow.git /var/lib/mock/dist-an23-epao-build-303249-66037/root/chroot_tmpdir/scmroot/python-pyarrow
Cloning into '/var/lib/mock/dist-an23-epao-build-303249-66037/root/chroot_tmpdir/scmroot/python-pyarrow'...
$ git fetch origin ddc51963f5b331c574dcdecfad862119fac7afa6:KOJI_FETCH_HEAD
From https://gitee.com/zhonglingh/python-pyarrow
 * [new ref]         ddc51963f5b331c574dcdecfad862119fac7afa6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ddc5196 WIP