$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/xulrunner.git /var/lib/mock/dist-an7-build-34066-16169/root/chroot_tmpdir/scmroot/xulrunner
Cloning into '/var/lib/mock/dist-an7-build-34066-16169/root/chroot_tmpdir/scmroot/xulrunner'...
$ git reset --hard origin/a7
HEAD is now at 63f750b import xulrunner-31.6.0-2.el7_1.src.rpm