extern void git_set_argv0_path(const char *path);
extern const char* git_exec_path(void);
extern void setup_path(void);
+extern const char **prepare_git_cmd(const char **argv);
extern int execv_git_cmd(const char **argv); /* NULL terminated */
extern int execl_git_cmd(const char *cmd, ...);
extern const char *system_path(const char *path);