$ git clone -n https://gitee.com/wenyuzifang/python-cachetools.git /var/lib/mock/dist-an23-build-471967-74118/root/chroot_tmpdir/scmroot/python-cachetools
Cloning into '/var/lib/mock/dist-an23-build-471967-74118/root/chroot_tmpdir/scmroot/python-cachetools'...
$ git fetch origin 0051048a7c9bec7f8e8024556fd2eeab0328423b:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/python-cachetools
 * [new ref]         0051048a7c9bec7f8e8024556fd2eeab0328423b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0051048 Update code from upstream