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| | /* notmuch - Not much of an email program, (just index and search)
*
* Copyright © 2009 Carl Worth
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/ .
*
* Author: Carl Worth <cworth@cworth.org>
*/
#include "notmuch-client.h"
int
notmuch_dump_command (unused (void *ctx), int argc, char *argv[])
{
notmuch_config_t *config;
notmuch_database_t *notmuch;
notmuch_query_t *query;
FILE *output;
notmuch_messages_t *messages;
notmuch_message_t *message;
notmuch_tags_t *tags;
config = notmuch_config_open (ctx, NULL, NULL);
if (config == NULL)
return 1;
notmuch = notmuch_database_open (notmuch_config_get_database_path (config),
NOTMUCH_DATABASE_MODE_READ_ONLY);
if (notmuch == NULL)
return 1;
query = notmuch_query_create (notmuch, "");
if (query == NULL) {
fprintf (stderr, "Out of memory\n");
return 1;
}
/* This used to use NOTMUCH_SORT_MESSAGE_ID. On 2011-10-29, a measurement
* on a 372981 messages instance showed that wall time can be reduced from
* 28 minutes (sorted by Message-ID) to 15 minutes (unsorted), the latter
* being much more ``database-disk-layout-friendly''. Subsequently sorting
* the 25 MiB of data is a no-brainer, if required. */
notmuch_query_set_sort (query, NOTMUCH_SORT_UNSORTED);
if (argc) {
output = fopen (argv[0], "w");
if (output == NULL) {
fprintf (stderr, "Error opening %s for writing: %s\n",
argv[0], strerror (errno));
return 1;
}
} else {
output = stdout;
}
for (messages = notmuch_query_search_messages (query);
notmuch_messages_valid (messages);
notmuch_messages_move_to_next (messages))
{
int first = 1;
message = notmuch_messages_get (messages);
fprintf (output,
"%s (", notmuch_message_get_message_id (message));
for (tags = notmuch_message_get_tags (message);
notmuch_tags_valid (tags);
notmuch_tags_move_to_next (tags))
{
if (! first)
fprintf (output, " ");
fprintf (output, "%s", notmuch_tags_get (tags));
first = 0;
}
fprintf (output, ")\n");
notmuch_message_destroy (message);
}
if (output != stdout)
fclose (output);
notmuch_query_destroy (query);
notmuch_database_close (notmuch);
return 0;
}
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