- for (i = 1 ; i < argc; i++) {
- if (!no_more_flags && argv[i][0] == '-') {
- if (!strcmp(argv[i], "-t")) {
- if (argc <= ++i)
- usage(hash_object_usage);
- type = argv[i];
- }
- else if (!strcmp(argv[i], "-w")) {
- if (prefix_length < 0) {
- prefix = setup_git_directory();
- prefix_length =
- prefix ? strlen(prefix) : 0;
- }
- write_object = 1;
- }
- else if (!strcmp(argv[i], "--")) {
- no_more_flags = 1;
- }
- else if (!strcmp(argv[i], "--help"))
- usage(hash_object_usage);
- else if (!strcmp(argv[i], "--stdin-paths")) {
- if (hashstdin) {
- error("Can't use --stdin-paths with --stdin");
- usage(hash_object_usage);
- }
- stdin_paths = 1;
-
- }
- else if (!strcmp(argv[i], "--stdin")) {
- if (stdin_paths) {
- error("Can't use %s with --stdin-paths", argv[i]);
- usage(hash_object_usage);
- }
- if (hashstdin)
- die("Multiple --stdin arguments are not supported");
- hashstdin = 1;
- }
- else
- usage(hash_object_usage);
- }
- else {
- const char *arg = argv[i];
-
- if (stdin_paths) {
- error("Can't specify files (such as \"%s\") with --stdin-paths", arg);
- usage(hash_object_usage);
- }
-
- if (hashstdin) {
- hash_stdin(type, write_object);
- hashstdin = 0;
- }
- if (0 <= prefix_length)
- arg = prefix_filename(prefix, prefix_length,
- arg);
- hash_object(arg, type_from_string(type), write_object);
- no_more_flags = 1;
- }
+ argc = parse_options(argc, argv, hash_object_options, hash_object_usage, 0);
+
+ if (write_object) {
+ prefix = setup_git_directory();
+ prefix_length = prefix ? strlen(prefix) : 0;
+ if (vpath && prefix)
+ vpath = prefix_filename(prefix, prefix_length, vpath);
+ }
+
+ if (stdin_paths) {
+ if (hashstdin)
+ errstr = "Can't use --stdin-paths with --stdin";
+ else if (argc)
+ errstr = "Can't specify files with --stdin-paths";
+ else if (vpath)
+ errstr = "Can't use --stdin-paths with --path";
+ else if (no_filters)
+ errstr = "Can't use --stdin-paths with --no-filters";
+ }
+ else {
+ if (hashstdin > 1)
+ errstr = "Multiple --stdin arguments are not supported";
+ if (vpath && no_filters)
+ errstr = "Can't use --path with --no-filters";
+ }
+
+ if (errstr) {
+ error (errstr);
+ usage_with_options(hash_object_usage, hash_object_options);
+ }
+
+ if (hashstdin)
+ hash_fd(0, type, write_object, vpath);
+
+ for (i = 0 ; i < argc; i++) {
+ const char *arg = argv[i];
+
+ if (0 <= prefix_length)
+ arg = prefix_filename(prefix, prefix_length, arg);
+ hash_object(arg, type, write_object,
+ no_filters ? NULL : vpath ? vpath : arg);