$ git clone -n https://gitee.com/wenyuzifang/radvd_1758215000.git /var/lib/mock/dist-an23-build-470292-74061/root/chroot_tmpdir/scmroot/radvd_1758215000
Cloning into '/var/lib/mock/dist-an23-build-470292-74061/root/chroot_tmpdir/scmroot/radvd_1758215000'...
$ git fetch origin e1399f21feb3cee7d41c01250dccf3e060e392b0:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/radvd_1758215000
 * [new ref]         e1399f21feb3cee7d41c01250dccf3e060e392b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e1399f2 Update code from upstream