$ git clone -n https://gitee.com/wenyuzifang/python-yarl.git /var/lib/mock/dist-an23-build-464267-73881/root/chroot_tmpdir/scmroot/python-yarl
Cloning into '/var/lib/mock/dist-an23-build-464267-73881/root/chroot_tmpdir/scmroot/python-yarl'...
$ git fetch origin 641ec9411f01d898df43f175655c0ec49a00b6a9:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/python-yarl
 * [new ref]         641ec9411f01d898df43f175655c0ec49a00b6a9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 641ec94 Update code from upstream