$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/libusnic_verbs.git /var/lib/mock/dist-an7-build-28970-15333/root/chroot_tmpdir/scmroot/libusnic_verbs
Cloning into '/var/lib/mock/dist-an7-build-28970-15333/root/chroot_tmpdir/scmroot/libusnic_verbs'...
$ git reset --hard origin/a7
HEAD is now at ef9b600 import libusnic_verbs-2.0.3-1.el7.src.rpm