$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/protobuf.git /var/lib/mock/dist-an8.4-build-20530-8938/root/chroot_tmpdir/scmroot/protobuf
Cloning into '/var/lib/mock/dist-an8.4-build-20530-8938/root/chroot_tmpdir/scmroot/protobuf'...
$ git reset --hard origin/a8
HEAD is now at 7a0026b update to protobuf-3.5.0-13.el8.src.rpm