ssh-pull.con commit diff --stat: ensure at least one '-' for deletions, and one '+' for additions (3ed74e6)
   1#define COUNTERPART_ENV_NAME "GIT_SSH_PUSH"
   2#define COUNTERPART_PROGRAM_NAME "git-ssh-push"
   3#define MY_PROGRAM_NAME "git-ssh-pull"
   4#include "ssh-fetch.c"