$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/deltarpm.git /var/lib/mock/dist-an7-build-27518-15175/root/chroot_tmpdir/scmroot/deltarpm
Cloning into '/var/lib/mock/dist-an7-build-27518-15175/root/chroot_tmpdir/scmroot/deltarpm'...
$ git reset --hard origin/a7
HEAD is now at 3050723 import deltarpm-3.6-3.el7.src.rpm