$ git clone -n https://gitee.com/src-opencloudos-rpms/nss /var/lib/mock/dist-oc8_6-updates-build-26820-7870/root/chroot_tmpdir/scmroot/nss
Cloning into '/var/lib/mock/dist-oc8_6-updates-build-26820-7870/root/chroot_tmpdir/scmroot/nss'...
$ git reset --hard origin/oc8
HEAD is now at 33e5e3a import nss-3.79.0-10.oc8_6