$ git clone -n https://gitee.com/zhonglingh/python-pyarrow.git /var/lib/mock/dist-an23-epao-build-303010-66014/root/chroot_tmpdir/scmroot/python-pyarrow
Cloning into '/var/lib/mock/dist-an23-epao-build-303010-66014/root/chroot_tmpdir/scmroot/python-pyarrow'...
$ git fetch origin dfa73e8f87c9b9cb8919520b3a447f9fbc2c46cc:KOJI_FETCH_HEAD
From https://gitee.com/zhonglingh/python-pyarrow
 * [new ref]         dfa73e8f87c9b9cb8919520b3a447f9fbc2c46cc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dfa73e8 WIP