$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/velocity.git /var/lib/mock/dist-an7-build-38049-18113/root/chroot_tmpdir/scmroot/velocity
Cloning into '/var/lib/mock/dist-an7-build-38049-18113/root/chroot_tmpdir/scmroot/velocity'...
$ git reset --hard origin/a7
HEAD is now at 1b3d75d import velocity-1.7-10.el7.src.rpm