notmuch/notmuch-reindex.c
David Bremner 2ce6c76a61 CLI: move indexopts variable out of shared options block
This reduces the amount of global state.  Furthermore, index options
can be set (in principle) in several ways, not just in the one
function for processing indexing command line options.
2021-10-23 09:51:50 -03:00

137 lines
4.2 KiB
C

/* notmuch - Not much of an email program, (just index and search)
*
* Copyright © 2016 Daniel Kahn Gillmor
*
* 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 https://www.gnu.org/licenses/ .
*
* Author: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
*/
#include "notmuch-client.h"
#include "string-util.h"
static volatile sig_atomic_t interrupted;
static void
handle_sigint (unused (int sig))
{
static const char msg[] = "Stopping... \n";
/* This write is "opportunistic", so it's okay to ignore the
* result. It is not required for correctness, and if it does
* fail or produce a short write, we want to get out of the signal
* handler as quickly as possible, not retry it. */
IGNORE_RESULT (write (2, msg, sizeof (msg) - 1));
interrupted = 1;
}
/* reindex all messages matching 'query_string' using the passed-in indexopts
*/
static int
reindex_query (notmuch_database_t *notmuch, const char *query_string,
notmuch_indexopts_t *indexopts)
{
notmuch_query_t *query;
notmuch_messages_t *messages;
notmuch_message_t *message;
notmuch_status_t status;
notmuch_status_t ret = NOTMUCH_STATUS_SUCCESS;
status = notmuch_query_create_with_syntax (notmuch, query_string,
shared_option_query_syntax (),
&query);
if (print_status_database ("notmuch reindex", notmuch, status))
return 1;
/* reindexing is not interested in any special sort order */
notmuch_query_set_sort (query, NOTMUCH_SORT_UNSORTED);
status = notmuch_query_search_messages (query, &messages);
if (print_status_query ("notmuch reindex", query, status))
return status;
ret = notmuch_database_begin_atomic (notmuch);
for (;
notmuch_messages_valid (messages) && ! interrupted;
notmuch_messages_move_to_next (messages)) {
message = notmuch_messages_get (messages);
ret = notmuch_message_reindex (message, indexopts);
if (ret != NOTMUCH_STATUS_SUCCESS)
break;
notmuch_message_destroy (message);
}
if (! ret)
ret = notmuch_database_end_atomic (notmuch);
notmuch_query_destroy (query);
return ret || interrupted;
}
int
notmuch_reindex_command (notmuch_database_t *notmuch, int argc, char *argv[])
{
char *query_string = NULL;
struct sigaction action;
int opt_index;
int ret;
notmuch_status_t status;
notmuch_indexopts_t *indexopts = notmuch_database_get_default_indexopts (notmuch);
/* Set up our handler for SIGINT */
memset (&action, 0, sizeof (struct sigaction));
action.sa_handler = handle_sigint;
sigemptyset (&action.sa_mask);
action.sa_flags = SA_RESTART;
sigaction (SIGINT, &action, NULL);
notmuch_opt_desc_t options[] = {
{ .opt_inherit = notmuch_shared_indexing_options },
{ .opt_inherit = notmuch_shared_options },
{ }
};
opt_index = parse_arguments (argc, argv, options, 1);
if (opt_index < 0)
return EXIT_FAILURE;
notmuch_process_shared_options (notmuch, argv[0]);
status = notmuch_process_shared_indexing_options (indexopts);
if (status != NOTMUCH_STATUS_SUCCESS) {
fprintf (stderr, "Error: Failed to process index options. (%s)\n",
notmuch_status_to_string (status));
return EXIT_FAILURE;
}
query_string = query_string_from_args (notmuch, argc - opt_index, argv + opt_index);
if (query_string == NULL) {
fprintf (stderr, "Out of memory\n");
return EXIT_FAILURE;
}
if (*query_string == '\0') {
fprintf (stderr, "Error: notmuch reindex requires at least one search term.\n");
return EXIT_FAILURE;
}
ret = reindex_query (notmuch, query_string, indexopts);
notmuch_database_destroy (notmuch);
return ret || interrupted ? EXIT_FAILURE : EXIT_SUCCESS;
}