$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/gnome-boxes.git /var/lib/mock/dist-an7-build-34888-16426/root/chroot_tmpdir/scmroot/gnome-boxes
Cloning into '/var/lib/mock/dist-an7-build-34888-16426/root/chroot_tmpdir/scmroot/gnome-boxes'...
$ git reset --hard origin/a7
HEAD is now at fc301fd import gnome-boxes-3.28.5-4.el7.src.rpm