$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/libmsn.git /var/lib/mock/dist-an7-build-28823-15313/root/chroot_tmpdir/scmroot/libmsn
Cloning into '/var/lib/mock/dist-an7-build-28823-15313/root/chroot_tmpdir/scmroot/libmsn'...
$ git reset --hard origin/a7
HEAD is now at 54ee2f3 import libmsn-4.2.1-7.el7.src.rpm