exec_cmd.hon commit send-email: send_message die on $!, not $? (5e2c2ab)
   1#ifndef GIT_EXEC_CMD_H
   2#define GIT_EXEC_CMD_H
   3
   4extern void git_set_argv_exec_path(const char *exec_path);
   5extern const char *git_extract_argv0_path(const char *path);
   6extern const char *git_exec_path(void);
   7extern void setup_path(void);
   8extern const char **prepare_git_cmd(const char **argv);
   9extern int execv_git_cmd(const char **argv); /* NULL terminated */
  10extern int execl_git_cmd(const char *cmd, ...);
  11extern const char *system_path(const char *path);
  12
  13#endif /* GIT_EXEC_CMD_H */