$ git clone -n git+ssh://git@codeup.openanolis.cn/codeup/anolis-os/tmux.git /var/lib/mock/dist-an7-build-30502-15513/root/chroot_tmpdir/scmroot/tmux
Cloning into '/var/lib/mock/dist-an7-build-30502-15513/root/chroot_tmpdir/scmroot/tmux'...
$ git reset --hard origin/a7
HEAD is now at 7d47b92 import tmux-1.8-4.el7.src.rpm