$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/xdelta.git /var/lib/mock/dist-an7-build-33378-16169/root/chroot_tmpdir/scmroot/xdelta
Cloning into '/var/lib/mock/dist-an7-build-33378-16169/root/chroot_tmpdir/scmroot/xdelta'...
$ git reset --hard origin/a7
HEAD is now at 9ec39a4 import xdelta-3.0.7-4.el7.src.rpm