mirror of
https://git.notmuchmail.org/git/notmuch
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242d5a3ed5
Since this is an ABI breaking change, but we already bumped the SONAME for the next release
240 lines
6.4 KiB
C
240 lines
6.4 KiB
C
/* notmuch - Not much of an email program, (just index and search)
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*
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* Copyright © 2009 Carl Worth
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* Copyright © 2009 Keith Packard
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see https://www.gnu.org/licenses/ .
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*
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* Author: Keith Packard <keithp@keithp.com>
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*/
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#include "notmuch-client.h"
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enum {
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OUTPUT_THREADS,
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OUTPUT_MESSAGES,
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OUTPUT_FILES,
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};
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/* The following is to allow future options to be added more easily */
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enum {
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EXCLUDE_TRUE,
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EXCLUDE_FALSE,
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};
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/* Return the number of files matching the query, or -1 for an error */
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static int
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count_files (notmuch_query_t *query)
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{
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notmuch_messages_t *messages;
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notmuch_message_t *message;
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notmuch_filenames_t *filenames;
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notmuch_status_t status;
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int count = 0;
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status = notmuch_query_search_messages (query, &messages);
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if (print_status_query ("notmuch count", query, status))
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return -1;
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for (;
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notmuch_messages_valid (messages);
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notmuch_messages_move_to_next (messages)) {
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message = notmuch_messages_get (messages);
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filenames = notmuch_message_get_filenames (message);
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for (;
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notmuch_filenames_valid (filenames);
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notmuch_filenames_move_to_next (filenames))
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count++;
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notmuch_filenames_destroy (filenames);
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notmuch_message_destroy (message);
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}
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notmuch_messages_destroy (messages);
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return count;
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}
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/* return 0 on success, -1 on failure */
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static int
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print_count (notmuch_database_t *notmuch, const char *query_str,
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const char **exclude_tags, size_t exclude_tags_length, int output, int print_lastmod)
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{
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notmuch_query_t *query;
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size_t i;
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int count;
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unsigned int ucount;
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unsigned long revision;
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const char *uuid;
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int ret = 0;
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notmuch_status_t status;
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query = notmuch_query_create (notmuch, query_str);
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if (query == NULL) {
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fprintf (stderr, "Out of memory\n");
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return -1;
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}
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for (i = 0; i < exclude_tags_length; i++) {
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status = notmuch_query_add_tag_exclude (query, exclude_tags[i]);
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if (status && status != NOTMUCH_STATUS_IGNORED) {
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print_status_query ("notmuch count", query, status);
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return -1;
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}
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}
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switch (output) {
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case OUTPUT_MESSAGES:
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status = notmuch_query_count_messages (query, &ucount);
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if (print_status_query ("notmuch count", query, status))
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return -1;
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printf ("%u", ucount);
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break;
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case OUTPUT_THREADS:
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status = notmuch_query_count_threads (query, &ucount);
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if (print_status_query ("notmuch count", query, status))
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return -1;
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printf ("%u", ucount);
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break;
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case OUTPUT_FILES:
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count = count_files (query);
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if (count >= 0) {
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printf ("%u", count);
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} else {
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ret = -1;
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goto DONE;
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}
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break;
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}
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if (print_lastmod) {
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revision = notmuch_database_get_revision (notmuch, &uuid);
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printf ("\t%s\t%lu\n", uuid, revision);
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} else {
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fputs ("\n", stdout);
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}
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DONE:
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notmuch_query_destroy (query);
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return ret;
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}
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static int
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count_file (notmuch_database_t *notmuch, FILE *input, const char **exclude_tags,
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size_t exclude_tags_length, int output, int print_lastmod)
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{
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char *line = NULL;
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ssize_t line_len;
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size_t line_size;
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int ret = 0;
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while (! ret && (line_len = getline (&line, &line_size, input)) != -1) {
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chomp_newline (line);
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ret = print_count (notmuch, line, exclude_tags, exclude_tags_length,
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output, print_lastmod);
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}
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if (line)
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free (line);
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return ret;
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}
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int
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notmuch_count_command (notmuch_config_t *config, int argc, char *argv[])
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{
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notmuch_database_t *notmuch;
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char *query_str;
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int opt_index;
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int output = OUTPUT_MESSAGES;
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int exclude = EXCLUDE_TRUE;
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const char **search_exclude_tags = NULL;
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size_t search_exclude_tags_length = 0;
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notmuch_bool_t batch = FALSE;
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notmuch_bool_t print_lastmod = FALSE;
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FILE *input = stdin;
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char *input_file_name = NULL;
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int ret;
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notmuch_opt_desc_t options[] = {
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{ NOTMUCH_OPT_KEYWORD, &output, "output", 'o',
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(notmuch_keyword_t []){ { "threads", OUTPUT_THREADS },
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{ "messages", OUTPUT_MESSAGES },
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{ "files", OUTPUT_FILES },
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{ 0, 0 } } },
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{ NOTMUCH_OPT_KEYWORD, &exclude, "exclude", 'x',
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(notmuch_keyword_t []){ { "true", EXCLUDE_TRUE },
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{ "false", EXCLUDE_FALSE },
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{ 0, 0 } } },
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{ NOTMUCH_OPT_BOOLEAN, &print_lastmod, "lastmod", 'l', 0 },
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{ NOTMUCH_OPT_BOOLEAN, &batch, "batch", 0, 0 },
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{ NOTMUCH_OPT_STRING, &input_file_name, "input", 'i', 0 },
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{ NOTMUCH_OPT_INHERIT, (void *) ¬much_shared_options, NULL, 0, 0 },
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{ 0, 0, 0, 0, 0 }
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};
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opt_index = parse_arguments (argc, argv, options, 1);
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if (opt_index < 0)
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return EXIT_FAILURE;
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notmuch_process_shared_options (argv[0]);
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if (input_file_name) {
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batch = TRUE;
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input = fopen (input_file_name, "r");
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if (input == NULL) {
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fprintf (stderr, "Error opening %s for reading: %s\n",
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input_file_name, strerror (errno));
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return EXIT_FAILURE;
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}
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}
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if (batch && opt_index != argc) {
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fprintf (stderr, "--batch and query string are not compatible\n");
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return EXIT_FAILURE;
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}
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if (notmuch_database_open (notmuch_config_get_database_path (config),
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NOTMUCH_DATABASE_MODE_READ_ONLY, ¬much))
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return EXIT_FAILURE;
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notmuch_exit_if_unmatched_db_uuid (notmuch);
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query_str = query_string_from_args (config, argc - opt_index, argv + opt_index);
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if (query_str == NULL) {
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fprintf (stderr, "Out of memory.\n");
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return EXIT_FAILURE;
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}
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if (exclude == EXCLUDE_TRUE) {
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search_exclude_tags = notmuch_config_get_search_exclude_tags
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(config, &search_exclude_tags_length);
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}
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if (batch)
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ret = count_file (notmuch, input, search_exclude_tags,
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search_exclude_tags_length, output, print_lastmod);
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else
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ret = print_count (notmuch, query_str, search_exclude_tags,
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search_exclude_tags_length, output, print_lastmod);
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notmuch_database_destroy (notmuch);
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if (input != stdin)
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fclose (input);
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return ret ? EXIT_FAILURE : EXIT_SUCCESS;
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}
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