$ git clone -n https://gitee.com/xiaolunfhb/radvd.git /var/lib/mock/dist-an8.6-build-102979-45598/root/chroot_tmpdir/scmroot/radvd
Cloning into '/var/lib/mock/dist-an8.6-build-102979-45598/root/chroot_tmpdir/scmroot/radvd'...
$ git reset --hard bbcfa8e061f86374abe62e38e05bd721884d5833
HEAD is now at bbcfa8e spec: add doc sub package