+
+static int
+do_search_tags (notmuch_database_t *notmuch,
+ const search_context_t *ctx)
+{
+ notmuch_messages_t *messages = NULL;
+ notmuch_tags_t *tags;
+ const char *tag;
+ sprinter_t *format = ctx->format;
+ notmuch_query_t *query = ctx->query;
+
+ /* should the following only special case if no excluded terms
+ * specified? */
+
+ /* Special-case query of "*" for better performance. */
+ if (strcmp (notmuch_query_get_query_string (query), "*") == 0) {
+ tags = notmuch_database_get_all_tags (notmuch);
+ } else {
+ messages = notmuch_query_search_messages (query);
+ if (messages == NULL)
+ return 1;
+
+ tags = notmuch_messages_collect_tags (messages);
+ }
+ if (tags == NULL)
+ return 1;
+
+ format->begin_list (format);
+
+ for (;
+ notmuch_tags_valid (tags);
+ notmuch_tags_move_to_next (tags))
+ {
+ tag = notmuch_tags_get (tags);
+
+ format->string (format, tag);
+ format->separator (format);
+
+ }
+
+ notmuch_tags_destroy (tags);
+
+ if (messages)
+ notmuch_messages_destroy (messages);
+
+ format->end (format);
+
+ return 0;
+}
+
+int
+notmuch_search_command (notmuch_config_t *config, int argc, char *argv[])
+{
+ notmuch_database_t *notmuch;
+ search_context_t ctx = {
+ .sort = NOTMUCH_SORT_NEWEST_FIRST,
+ .output = 0,
+ .offset = 0,
+ .limit = -1, /* unlimited */
+ .dupe = -1,
+ };
+ char *query_str;
+ int opt_index, ret;
+ notmuch_exclude_t exclude = NOTMUCH_EXCLUDE_TRUE;
+ unsigned int i;
+
+ enum {
+ NOTMUCH_FORMAT_JSON,
+ NOTMUCH_FORMAT_TEXT,
+ NOTMUCH_FORMAT_TEXT0,
+ NOTMUCH_FORMAT_SEXP
+ } format_sel = NOTMUCH_FORMAT_TEXT;
+
+ notmuch_opt_desc_t options[] = {
+ { NOTMUCH_OPT_KEYWORD, &ctx.sort, "sort", 's',
+ (notmuch_keyword_t []){ { "oldest-first", NOTMUCH_SORT_OLDEST_FIRST },
+ { "newest-first", NOTMUCH_SORT_NEWEST_FIRST },
+ { 0, 0 } } },
+ { NOTMUCH_OPT_KEYWORD, &format_sel, "format", 'f',
+ (notmuch_keyword_t []){ { "json", NOTMUCH_FORMAT_JSON },
+ { "sexp", NOTMUCH_FORMAT_SEXP },
+ { "text", NOTMUCH_FORMAT_TEXT },
+ { "text0", NOTMUCH_FORMAT_TEXT0 },
+ { 0, 0 } } },
+ { NOTMUCH_OPT_INT, ¬much_format_version, "format-version", 0, 0 },
+ { NOTMUCH_OPT_KEYWORD_FLAGS, &ctx.output, "output", 'o',
+ (notmuch_keyword_t []){ { "summary", OUTPUT_SUMMARY },
+ { "threads", OUTPUT_THREADS },
+ { "messages", OUTPUT_MESSAGES },
+ { "sender", OUTPUT_SENDER },
+ { "recipients", OUTPUT_RECIPIENTS },
+ { "files", OUTPUT_FILES },
+ { "tags", OUTPUT_TAGS },
+ { 0, 0 } } },
+ { NOTMUCH_OPT_KEYWORD, &exclude, "exclude", 'x',
+ (notmuch_keyword_t []){ { "true", NOTMUCH_EXCLUDE_TRUE },
+ { "false", NOTMUCH_EXCLUDE_FALSE },
+ { "flag", NOTMUCH_EXCLUDE_FLAG },
+ { "all", NOTMUCH_EXCLUDE_ALL },
+ { 0, 0 } } },
+ { NOTMUCH_OPT_INT, &ctx.offset, "offset", 'O', 0 },
+ { NOTMUCH_OPT_INT, &ctx.limit, "limit", 'L', 0 },
+ { NOTMUCH_OPT_INT, &ctx.dupe, "duplicate", 'D', 0 },
+ { 0, 0, 0, 0, 0 }
+ };
+
+ opt_index = parse_arguments (argc, argv, options, 1);
+ if (opt_index < 0)
+ return EXIT_FAILURE;
+
+ if (! ctx.output)
+ ctx.output = OUTPUT_SUMMARY;
+
+ if (ctx.output != OUTPUT_FILES && ctx.output != OUTPUT_MESSAGES &&
+ ctx.dupe != -1) {
+ fprintf (stderr, "Error: --duplicate=N is only supported with --output=files and --output=messages.\n");
+ return EXIT_FAILURE;
+ }
+
+ switch (format_sel) {
+ case NOTMUCH_FORMAT_TEXT:
+ ctx.format = sprinter_text_create (config, stdout);
+ break;
+ case NOTMUCH_FORMAT_TEXT0:
+ if (ctx.output == OUTPUT_SUMMARY) {
+ fprintf (stderr, "Error: --format=text0 is not compatible with --output=summary.\n");
+ return EXIT_FAILURE;
+ }
+ ctx.format = sprinter_text0_create (config, stdout);
+ break;
+ case NOTMUCH_FORMAT_JSON:
+ ctx.format = sprinter_json_create (config, stdout);
+ break;
+ case NOTMUCH_FORMAT_SEXP:
+ ctx.format = sprinter_sexp_create (config, stdout);
+ break;
+ default:
+ /* this should never happen */
+ INTERNAL_ERROR("no output format selected");
+ }
+
+ notmuch_exit_if_unsupported_format ();
+
+ if (notmuch_database_open (notmuch_config_get_database_path (config),
+ NOTMUCH_DATABASE_MODE_READ_ONLY, ¬much))
+ return EXIT_FAILURE;
+
+ query_str = query_string_from_args (notmuch, argc-opt_index, argv+opt_index);
+ if (query_str == NULL) {
+ fprintf (stderr, "Out of memory.\n");
+ return EXIT_FAILURE;
+ }
+ if (*query_str == '\0') {
+ fprintf (stderr, "Error: notmuch search requires at least one search term.\n");
+ return EXIT_FAILURE;
+ }
+
+ ctx.query = notmuch_query_create (notmuch, query_str);
+ if (ctx.query == NULL) {
+ fprintf (stderr, "Out of memory\n");
+ return EXIT_FAILURE;
+ }
+
+ notmuch_query_set_sort (ctx.query, ctx.sort);
+
+ if (exclude == NOTMUCH_EXCLUDE_FLAG && ctx.output != OUTPUT_SUMMARY) {
+ /* If we are not doing summary output there is nowhere to
+ * print the excluded flag so fall back on including the
+ * excluded messages. */
+ fprintf (stderr, "Warning: this output format cannot flag excluded messages.\n");
+ exclude = NOTMUCH_EXCLUDE_FALSE;
+ }
+
+ if (exclude != NOTMUCH_EXCLUDE_FALSE) {
+ const char **search_exclude_tags;
+ size_t search_exclude_tags_length;
+
+ search_exclude_tags = notmuch_config_get_search_exclude_tags
+ (config, &search_exclude_tags_length);
+ for (i = 0; i < search_exclude_tags_length; i++)
+ notmuch_query_add_tag_exclude (ctx.query, search_exclude_tags[i]);
+ notmuch_query_set_omit_excluded (ctx.query, exclude);
+ }
+
+ if (ctx.output == OUTPUT_SUMMARY ||
+ ctx.output == OUTPUT_THREADS)
+ ret = do_search_threads (&ctx);
+ else if (ctx.output == OUTPUT_MESSAGES ||
+ ctx.output == OUTPUT_FILES ||
+ (ctx.output & OUTPUT_ADDRESS_FLAGS && !(ctx.output & ~OUTPUT_ADDRESS_FLAGS)))
+ ret = do_search_messages (&ctx);
+ else if (ctx.output == OUTPUT_TAGS)
+ ret = do_search_tags (notmuch, &ctx);
+ else {
+ fprintf (stderr, "Error: the combination of outputs is not supported.\n");
+ ret = 1;
+ }
+
+ notmuch_query_destroy (ctx.query);
+ notmuch_database_destroy (notmuch);
+
+ talloc_free (ctx.format);
+
+ return ret ? EXIT_FAILURE : EXIT_SUCCESS;
+}