$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/mallard-rng.git /var/lib/mock/dist-an7-build-32288-15963/root/chroot_tmpdir/scmroot/mallard-rng
Cloning into '/var/lib/mock/dist-an7-build-32288-15963/root/chroot_tmpdir/scmroot/mallard-rng'...
$ git reset --hard origin/a7
HEAD is now at 84a86d6 import mallard-rng-1.0.2-1.el7.src.rpm