$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/gtk-vnc.git /var/lib/mock/dist-an7-build-27945-15214/root/chroot_tmpdir/scmroot/gtk-vnc
Cloning into '/var/lib/mock/dist-an7-build-27945-15214/root/chroot_tmpdir/scmroot/gtk-vnc'...
$ git reset --hard origin/a7
HEAD is now at 304d2cb import gtk-vnc-0.7.0-3.el7.src.rpm