extern NORETURN void git_die_config(const char *key, const char *err, ...) __attribute__((format(printf, 2, 3)));
extern NORETURN void git_die_config_linenr(const char *key, const char *filename, int linenr);
+#define LOOKUP_CONFIG(mapping, var) \
+ lookup_config(mapping, ARRAY_SIZE(mapping), var)
+int lookup_config(const char **mapping, int nr_mapping, const char *var);
+
#endif /* CONFIG_H */