$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/screen.git /var/lib/mock/dist-an7-updates-build-43927-21729/root/chroot_tmpdir/scmroot/screen
Cloning into '/var/lib/mock/dist-an7-updates-build-43927-21729/root/chroot_tmpdir/scmroot/screen'...
$ git reset --hard origin/a7
HEAD is now at 56cefe4 update to screen-4.1.0-0.26.20120314git3c2946.el7.src.rpm