mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-11-22 02:48:08 +01:00
f4245aec94
By installing a signal handler for SIGINT we can ensure that no work that is already complete will be lost if the user interrupts a "notmuch new" run with Control-C.
131 lines
3.5 KiB
C
131 lines
3.5 KiB
C
/* 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"
|
|
|
|
static volatile sig_atomic_t interrupted;
|
|
|
|
static void
|
|
handle_sigint (unused (int sig))
|
|
{
|
|
static char msg[] = "Stopping... \n";
|
|
write(2, msg, sizeof(msg)-1);
|
|
interrupted = 1;
|
|
}
|
|
|
|
int
|
|
notmuch_tag_command (void *ctx, unused (int argc), unused (char *argv[]))
|
|
{
|
|
int *add_tags, *remove_tags;
|
|
int add_tags_count = 0;
|
|
int remove_tags_count = 0;
|
|
char *query_string;
|
|
notmuch_config_t *config;
|
|
notmuch_database_t *notmuch;
|
|
notmuch_query_t *query;
|
|
notmuch_messages_t *messages;
|
|
notmuch_message_t *message;
|
|
struct sigaction action;
|
|
int i;
|
|
|
|
/* Setup 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);
|
|
|
|
add_tags = talloc_size (ctx, argc * sizeof (int));
|
|
if (add_tags == NULL) {
|
|
fprintf (stderr, "Out of memory.\n");
|
|
return 1;
|
|
}
|
|
|
|
remove_tags = talloc_size (ctx, argc * sizeof (int));
|
|
if (remove_tags == NULL) {
|
|
fprintf (stderr, "Out of memory.\n");
|
|
return 1;
|
|
}
|
|
|
|
for (i = 0; i < argc; i++) {
|
|
if (strcmp (argv[i], "--") == 0) {
|
|
i++;
|
|
break;
|
|
}
|
|
if (argv[i][0] == '+') {
|
|
add_tags[add_tags_count++] = i;
|
|
} else if (argv[i][0] == '-') {
|
|
remove_tags[remove_tags_count++] = i;
|
|
} else {
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (add_tags_count == 0 && remove_tags_count == 0) {
|
|
fprintf (stderr, "Error: 'notmuch tag' requires at least one tag to add or remove.\n");
|
|
return 1;
|
|
}
|
|
|
|
if (i == argc) {
|
|
fprintf (stderr, "Error: 'notmuch tag' requires at least one search term.\n");
|
|
return 1;
|
|
}
|
|
|
|
config = notmuch_config_open (ctx, NULL, NULL);
|
|
if (config == NULL)
|
|
return 1;
|
|
|
|
notmuch = notmuch_database_open (notmuch_config_get_database_path (config));
|
|
if (notmuch == NULL)
|
|
return 1;
|
|
|
|
query_string = query_string_from_args (ctx, argc - i, &argv[i]);
|
|
|
|
query = notmuch_query_create (notmuch, query_string);
|
|
if (query == NULL) {
|
|
fprintf (stderr, "Out of memory.\n");
|
|
return 1;
|
|
}
|
|
|
|
for (messages = notmuch_query_search_messages (query, 0, -1);
|
|
notmuch_messages_has_more (messages) && !interrupted;
|
|
notmuch_messages_advance (messages))
|
|
{
|
|
message = notmuch_messages_get (messages);
|
|
|
|
notmuch_message_freeze (message);
|
|
|
|
for (i = 0; i < remove_tags_count; i++)
|
|
notmuch_message_remove_tag (message,
|
|
argv[remove_tags[i]] + 1);
|
|
|
|
for (i = 0; i < add_tags_count; i++)
|
|
notmuch_message_add_tag (message, argv[add_tags[i]] + 1);
|
|
|
|
notmuch_message_thaw (message);
|
|
|
|
notmuch_message_destroy (message);
|
|
}
|
|
|
|
notmuch_query_destroy (query);
|
|
notmuch_database_close (notmuch);
|
|
|
|
return interrupted;
|
|
}
|