$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/msv.git /var/lib/mock/dist-an7-build-33952-16169/root/chroot_tmpdir/scmroot/msv
Cloning into '/var/lib/mock/dist-an7-build-33952-16169/root/chroot_tmpdir/scmroot/msv'...
$ git reset --hard origin/a7
HEAD is now at 172f490 import msv-2013.5.1-7.el7.src.rpm