$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/libffi.git /var/lib/mock/dist-an7-build-31738-15793/root/chroot_tmpdir/scmroot/libffi
Cloning into '/var/lib/mock/dist-an7-build-31738-15793/root/chroot_tmpdir/scmroot/libffi'...
$ git reset --hard origin/a7
HEAD is now at daa04ba import libffi-3.0.13-18.el7.src.rpm