$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/protobuf.git /var/lib/mock/dist-an8-dep-build-19235-8390/root/chroot_tmpdir/scmroot/protobuf
Cloning into '/var/lib/mock/dist-an8-dep-build-19235-8390/root/chroot_tmpdir/scmroot/protobuf'...
$ git reset --hard origin/a7
HEAD is now at 195e37d spec: build with python2