$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/ecj.git /var/lib/mock/dist-an7-build-31080-15684/root/chroot_tmpdir/scmroot/ecj
Cloning into '/var/lib/mock/dist-an7-build-31080-15684/root/chroot_tmpdir/scmroot/ecj'...
$ git reset --hard origin/a7
HEAD is now at 50aff30 import ecj-4.5.2-3.el7.src.rpm