$ git clone -n https://gitee.com/wenyuzifang/python-twisted.git /var/lib/mock/dist-an23-build-466125-73955/root/chroot_tmpdir/scmroot/python-twisted
Cloning into '/var/lib/mock/dist-an23-build-466125-73955/root/chroot_tmpdir/scmroot/python-twisted'...
$ git fetch origin a9fbfed52d2a9158a64751d50e015557e0ef30dd:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/python-twisted
 * [new ref]         a9fbfed52d2a9158a64751d50e015557e0ef30dd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9fbfed Update code from upstream