$ git clone -n https://gitee.com/wenyuzifang/python-yarl.git /var/lib/mock/dist-an23-build-472621-74118/root/chroot_tmpdir/scmroot/python-yarl
Cloning into '/var/lib/mock/dist-an23-build-472621-74118/root/chroot_tmpdir/scmroot/python-yarl'...
$ git fetch origin e29705f3295272c0fa50965feb69a7e93cc1560a:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/python-yarl
 * [new ref]         e29705f3295272c0fa50965feb69a7e93cc1560a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e29705f Update code from upstream