test-path-utils: Add subcommand "absolute_path"

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

test-path-utils.c

@@ -20,6 +20,15 @@ int main(int argc, char **argv)
 		return 0;
 	}
 
+	if (argc >= 2 && !strcmp(argv[1], "absolute_path")) {
+		while (argc > 2) {
+			puts(absolute_path(argv[2]));
+			argc--;
+			argv++;
+		}
+		return 0;
+	}
+
 	if (argc == 4 && !strcmp(argv[1], "longest_ancestor_length")) {
 		int len = longest_ancestor_length(argv[2], argv[3]);
 		printf("%d\n", len);