extern int git_config_set(const char *, const char *);
extern int git_config_set_multivar(const char *, const char *, const char *, int);
extern int git_config_rename_section(const char *, const char *);
+extern const char *git_etc_gitconfig(void);
extern int check_repository_format_version(const char *var, const char *value);
#define MAX_GITNAME (1000)