parse-options: new option type to treat an option-like parameter as an argument.

This is meant to be used to keep --not and --all during revision parsing.

Signed-off-by: Pierre Habouzit <madcoder@debian.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

test-parse-options.c

@@ -20,6 +20,8 @@ int main(int argc, const char **argv)
 		OPT_STRING(0, "string2", &string, "str", "get another string"),
 		OPT_STRING(0, "st", &string, "st", "get another string (pervert ordering)"),
 		OPT_STRING('o', NULL, &string, "str", "get another string"),
+		OPT_GROUP("magic arguments"),
+		OPT_ARGUMENT("quux", "means --quux"),
 		OPT_END(),
 	};
 	int i;