$ git clone -n https://gitee.com/wenyuzifang/radvd_1766395848.git /var/lib/mock/dist-an23-build-498762-74695/root/chroot_tmpdir/scmroot/radvd_1766395848
Cloning into '/var/lib/mock/dist-an23-build-498762-74695/root/chroot_tmpdir/scmroot/radvd_1766395848'...
$ git fetch origin 80b0530360d9cfd42cea6784a813474a1debecbd:KOJI_FETCH_HEAD
From https://gitee.com/wenyuzifang/radvd_1766395848
 * [new ref]         80b0530360d9cfd42cea6784a813474a1debecbd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 80b0530 Update code from upstream