mirror of
https://git.notmuchmail.org/git/notmuch
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2944d59133
The change in each case is to call notmuch_query_create_with_syntax, relying on the already inherited shared options. As a bonus we get improved error handling from the new query creation API. The remaining subcommand is 'tag', which is a bit trickier.
415 lines
11 KiB
C
415 lines
11 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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*
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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: Carl Worth <cworth@cworth.org>
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*/
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#include "notmuch-client.h"
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#include "hex-escape.h"
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#include "string-util.h"
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#include "zlib-extra.h"
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static int
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database_dump_config (notmuch_database_t *notmuch, gzFile output)
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{
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notmuch_config_list_t *list;
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int ret = EXIT_FAILURE;
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char *buffer = NULL;
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size_t buffer_size = 0;
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if (print_status_database ("notmuch dump", notmuch,
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notmuch_database_get_config_list (notmuch, NULL, &list)))
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goto DONE;
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for (; notmuch_config_list_valid (list); notmuch_config_list_move_to_next (list)) {
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if (hex_encode (notmuch, notmuch_config_list_key (list),
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&buffer, &buffer_size) != HEX_SUCCESS) {
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fprintf (stderr, "Error: failed to hex-encode config key %s\n",
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notmuch_config_list_key (list));
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goto DONE;
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}
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GZPRINTF (output, "#@ %s", buffer);
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if (hex_encode (notmuch, notmuch_config_list_value (list),
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&buffer, &buffer_size) != HEX_SUCCESS) {
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fprintf (stderr, "Error: failed to hex-encode config value %s\n",
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notmuch_config_list_value (list) );
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goto DONE;
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}
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GZPUTS (output, " ");
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GZPUTS (output, buffer);
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GZPUTS (output, "\n");
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}
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ret = EXIT_SUCCESS;
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DONE:
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if (list)
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notmuch_config_list_destroy (list);
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if (buffer)
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talloc_free (buffer);
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return ret;
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}
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static void
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print_dump_header (gzFile output, int output_format, int include)
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{
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const char *sep = "";
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GZPRINTF (output, "#notmuch-dump %s:%d ",
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(output_format == DUMP_FORMAT_SUP) ? "sup" : "batch-tag",
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NOTMUCH_DUMP_VERSION);
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if (include & DUMP_INCLUDE_CONFIG) {
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GZPUTS (output, "config");
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sep = ",";
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}
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if (include & DUMP_INCLUDE_PROPERTIES) {
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GZPRINTF (output, "%sproperties", sep);
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sep = ",";
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}
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if (include & DUMP_INCLUDE_TAGS) {
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GZPRINTF (output, "%stags", sep);
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}
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GZPUTS (output, "\n");
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}
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static int
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dump_properties_message (void *ctx,
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notmuch_message_t *message,
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gzFile output,
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char **buffer_p, size_t *size_p)
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{
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const char *message_id;
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notmuch_message_properties_t *list;
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bool first = true;
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message_id = notmuch_message_get_message_id (message);
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if (strchr (message_id, '\n')) {
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fprintf (stderr, "Warning: skipping message id containing line break: \"%s\"\n", message_id);
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return 0;
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}
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for (list = notmuch_message_get_properties (message, "", false);
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notmuch_message_properties_valid (list); notmuch_message_properties_move_to_next (list)) {
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const char *key, *val;
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if (first) {
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if (hex_encode (ctx, message_id, buffer_p, size_p) != HEX_SUCCESS) {
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fprintf (stderr, "Error: failed to hex-encode message-id %s\n", message_id);
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return 1;
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}
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GZPRINTF (output, "#= %s", *buffer_p);
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first = false;
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}
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key = notmuch_message_properties_key (list);
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val = notmuch_message_properties_value (list);
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if (hex_encode (ctx, key, buffer_p, size_p) != HEX_SUCCESS) {
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fprintf (stderr, "Error: failed to hex-encode key %s\n", key);
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return 1;
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}
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GZPRINTF (output, " %s", *buffer_p);
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if (hex_encode (ctx, val, buffer_p, size_p) != HEX_SUCCESS) {
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fprintf (stderr, "Error: failed to hex-encode value %s\n", val);
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return 1;
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}
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GZPRINTF (output, "=%s", *buffer_p);
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}
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notmuch_message_properties_destroy (list);
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if (! first)
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GZPRINTF (output, "\n", *buffer_p);
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return 0;
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}
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static int
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dump_tags_message (void *ctx,
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notmuch_message_t *message, int output_format,
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gzFile output,
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char **buffer_p, size_t *size_p)
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{
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int first = 1;
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const char *message_id;
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message_id = notmuch_message_get_message_id (message);
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if (output_format == DUMP_FORMAT_BATCH_TAG &&
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strchr (message_id, '\n')) {
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/* This will produce a line break in the output, which
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* would be difficult to handle in tools. However, it's
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* also impossible to produce an email containing a line
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* break in a message ID because of unfolding, so we can
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* safely disallow it. */
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fprintf (stderr, "Warning: skipping message id containing line break: \"%s\"\n", message_id);
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return EXIT_SUCCESS;
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}
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if (output_format == DUMP_FORMAT_SUP) {
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GZPRINTF (output, "%s (", message_id);
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}
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for (notmuch_tags_t *tags = notmuch_message_get_tags (message);
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notmuch_tags_valid (tags);
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notmuch_tags_move_to_next (tags)) {
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const char *tag_str = notmuch_tags_get (tags);
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if (! first)
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GZPUTS (output, " ");
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first = 0;
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if (output_format == DUMP_FORMAT_SUP) {
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GZPUTS (output, tag_str);
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} else {
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if (hex_encode (ctx, tag_str,
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buffer_p, size_p) != HEX_SUCCESS) {
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fprintf (stderr, "Error: failed to hex-encode tag %s\n",
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tag_str);
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return EXIT_FAILURE;
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}
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GZPRINTF (output, "+%s", *buffer_p);
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}
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}
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if (output_format == DUMP_FORMAT_SUP) {
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GZPUTS (output, ")\n");
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} else {
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if (make_boolean_term (ctx, "id", message_id,
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buffer_p, size_p)) {
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fprintf (stderr, "Error quoting message id %s: %s\n",
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message_id, strerror (errno));
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return EXIT_FAILURE;
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}
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GZPRINTF (output, " -- %s\n", *buffer_p);
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}
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return EXIT_SUCCESS;
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}
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static int
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database_dump_file (notmuch_database_t *notmuch, gzFile output,
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const char *query_str, int output_format, int include)
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{
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notmuch_query_t *query;
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notmuch_messages_t *messages;
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notmuch_message_t *message;
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notmuch_status_t status;
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char *buffer = NULL;
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size_t buffer_size = 0;
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print_dump_header (output, output_format, include);
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if (include & DUMP_INCLUDE_CONFIG) {
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if (print_status_database ("notmuch dump", notmuch,
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database_dump_config (notmuch, output)))
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return EXIT_FAILURE;
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}
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if (! (include & (DUMP_INCLUDE_TAGS | DUMP_INCLUDE_PROPERTIES)))
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return EXIT_SUCCESS;
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if (! query_str)
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query_str = "";
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status = notmuch_query_create_with_syntax (notmuch, query_str,
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shared_option_query_syntax (),
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&query);
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if (print_status_database ("notmuch dump", notmuch, status))
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return EXIT_FAILURE;
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/* Don't ask xapian to sort by Message-ID. Xapian optimizes returning the
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* first results quickly at the expense of total time.
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*/
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notmuch_query_set_sort (query, NOTMUCH_SORT_UNSORTED);
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status = notmuch_query_search_messages (query, &messages);
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if (print_status_query ("notmuch dump", query, status))
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return EXIT_FAILURE;
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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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if ((include & DUMP_INCLUDE_TAGS) &&
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dump_tags_message (notmuch, message, output_format, output,
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&buffer, &buffer_size))
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return EXIT_FAILURE;
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if ((include & DUMP_INCLUDE_PROPERTIES) &&
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dump_properties_message (notmuch, message, output,
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&buffer, &buffer_size))
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return EXIT_FAILURE;
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notmuch_message_destroy (message);
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}
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notmuch_query_destroy (query);
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return EXIT_SUCCESS;
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}
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/* Dump database into output_file_name if it's non-NULL, stdout
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* otherwise.
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*/
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int
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notmuch_database_dump (notmuch_database_t *notmuch,
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const char *output_file_name,
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const char *query_str,
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dump_format_t output_format,
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dump_include_t include,
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bool gzip_output)
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{
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gzFile output = NULL;
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const char *mode = gzip_output ? "w9" : "wT";
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const char *name_for_error = output_file_name ? output_file_name : "stdout";
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char *tempname = NULL;
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int outfd = -1;
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int ret = -1;
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if (output_file_name) {
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tempname = talloc_asprintf (notmuch, "%s.XXXXXX", output_file_name);
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outfd = mkstemp (tempname);
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} else {
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outfd = dup (STDOUT_FILENO);
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}
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if (outfd < 0) {
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fprintf (stderr, "Bad output file %s\n", name_for_error);
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goto DONE;
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}
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output = gzdopen (outfd, mode);
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if (output == NULL) {
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fprintf (stderr, "Error opening %s for (gzip) writing: %s\n",
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name_for_error, strerror (errno));
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if (close (outfd))
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fprintf (stderr, "Error closing %s during shutdown: %s\n",
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name_for_error, strerror (errno));
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goto DONE;
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}
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ret = database_dump_file (notmuch, output, query_str, output_format, include);
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if (ret) goto DONE;
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ret = gzflush (output, Z_FINISH);
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if (ret) {
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fprintf (stderr, "Error flushing output: %s\n", gzerror_str (output));
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goto DONE;
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}
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if (output_file_name) {
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ret = fsync (outfd);
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if (ret) {
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fprintf (stderr, "Error syncing %s to disk: %s\n",
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name_for_error, strerror (errno));
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goto DONE;
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}
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}
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ret = gzclose_w (output);
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if (ret) {
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fprintf (stderr, "Error closing %s: %s\n", name_for_error,
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gzerror_str (output));
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ret = EXIT_FAILURE;
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output = NULL;
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goto DONE;
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} else
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output = NULL;
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if (output_file_name) {
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ret = rename (tempname, output_file_name);
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if (ret) {
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fprintf (stderr, "Error renaming %s to %s: %s\n",
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tempname, output_file_name, strerror (errno));
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goto DONE;
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}
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}
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DONE:
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if (ret != EXIT_SUCCESS && output)
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(void) gzclose_w (output);
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if (ret != EXIT_SUCCESS && output_file_name)
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(void) unlink (tempname);
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return ret;
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}
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int
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notmuch_dump_command (notmuch_database_t *notmuch, int argc, char *argv[])
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{
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const char *query_str = NULL;
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int ret;
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const char *output_file_name = NULL;
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int opt_index;
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int output_format = DUMP_FORMAT_BATCH_TAG;
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int include = 0;
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bool gzip_output = 0;
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notmuch_opt_desc_t options[] = {
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{ .opt_keyword = &output_format, .name = "format", .keywords =
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(notmuch_keyword_t []){ { "sup", DUMP_FORMAT_SUP },
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{ "batch-tag", DUMP_FORMAT_BATCH_TAG },
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{ 0, 0 } } },
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{ .opt_flags = &include, .name = "include", .keywords =
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(notmuch_keyword_t []){ { "config", DUMP_INCLUDE_CONFIG },
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{ "properties", DUMP_INCLUDE_PROPERTIES },
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{ "tags", DUMP_INCLUDE_TAGS } } },
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{ .opt_string = &output_file_name, .name = "output" },
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{ .opt_bool = &gzip_output, .name = "gzip" },
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{ .opt_inherit = notmuch_shared_options },
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{ }
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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 (notmuch, argv[0]);
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if (include == 0)
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include = DUMP_INCLUDE_CONFIG | DUMP_INCLUDE_TAGS | DUMP_INCLUDE_PROPERTIES;
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if (opt_index < argc) {
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query_str = query_string_from_args (notmuch, 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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}
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ret = notmuch_database_dump (notmuch, output_file_name, query_str,
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output_format, include, gzip_output);
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notmuch_database_destroy (notmuch);
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return ret;
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}
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