1 /* notmuch - Not much of an email program, (just index and search)
3 * Copyright © 2009 Carl Worth
5 * This program is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see http://www.gnu.org/licenses/ .
18 * Author: Carl Worth <cworth@cworth.org>
21 #include "notmuch-client.h"
25 typedef struct _filename_node {
27 struct _filename_node *next;
30 typedef struct _filename_list {
32 _filename_node_t *head;
33 _filename_node_t **tail;
39 const char **new_tags;
40 size_t new_tags_length;
45 struct timeval tv_start;
47 _filename_list_t *removed_files;
48 _filename_list_t *removed_directories;
50 notmuch_bool_t synchronize_flags;
51 _filename_list_t *message_ids_to_sync;
54 static volatile sig_atomic_t do_print_progress = 0;
57 handle_sigalrm (unused (int signal))
59 do_print_progress = 1;
62 static volatile sig_atomic_t interrupted;
65 handle_sigint (unused (int sig))
68 static char msg[] = "Stopping... \n";
70 ignored = write(2, msg, sizeof(msg)-1);
74 static _filename_list_t *
75 _filename_list_create (const void *ctx)
77 _filename_list_t *list;
79 list = talloc (ctx, _filename_list_t);
84 list->tail = &list->head;
91 _filename_list_add (_filename_list_t *list,
94 _filename_node_t *node = talloc (list, _filename_node_t);
98 node->filename = talloc_strdup (list, filename);
101 *(list->tail) = node;
102 list->tail = &node->next;
106 generic_print_progress (const char *action, const char *object,
107 struct timeval tv_start, unsigned processed, unsigned total)
109 struct timeval tv_now;
110 double elapsed_overall, rate_overall;
112 gettimeofday (&tv_now, NULL);
114 elapsed_overall = notmuch_time_elapsed (tv_start, tv_now);
115 rate_overall = processed / elapsed_overall;
117 printf ("%s %d ", action, processed);
120 printf ("of %d %s", total, object);
121 if (processed > 0 && elapsed_overall > 0.5) {
122 double time_remaining = ((total - processed) / rate_overall);
124 notmuch_time_print_formatted_seconds (time_remaining);
125 printf (" remaining)");
128 printf ("%s", object);
129 if (elapsed_overall > 0.5)
130 printf (" (%d %s/sec.)", (int) rate_overall, object);
132 printf (".\033[K\r");
138 dirent_sort_inode (const struct dirent **a, const struct dirent **b)
140 return ((*a)->d_ino < (*b)->d_ino) ? -1 : 1;
144 dirent_sort_strcmp_name (const struct dirent **a, const struct dirent **b)
146 return strcmp ((*a)->d_name, (*b)->d_name);
149 /* Test if the directory looks like a Maildir directory.
151 * Search through the array of directory entries to see if we can find all
152 * three subdirectories typical for Maildir, that is "new", "cur", and "tmp".
154 * Return 1 if the directory looks like a Maildir and 0 otherwise.
157 _entries_resemble_maildir (struct dirent **entries, int count)
161 for (i = 0; i < count; i++) {
162 if (entries[i]->d_type != DT_DIR && entries[i]->d_type != DT_UNKNOWN)
165 if (strcmp(entries[i]->d_name, "new") == 0 ||
166 strcmp(entries[i]->d_name, "cur") == 0 ||
167 strcmp(entries[i]->d_name, "tmp") == 0)
178 /* Examine 'path' recursively as follows:
180 * o Ask the filesystem for the mtime of 'path' (fs_mtime)
181 * o Ask the database for its timestamp of 'path' (db_mtime)
183 * o Ask the filesystem for files and directories within 'path'
184 * (via scandir and stored in fs_entries)
185 * o Ask the database for files and directories within 'path'
186 * (db_files and db_subdirs)
188 * o Pass 1: For each directory in fs_entries, recursively call into
189 * this same function.
191 * o Pass 2: If 'fs_mtime' > 'db_mtime', then walk fs_entries
192 * simultaneously with db_files and db_subdirs. Look for one of
193 * three interesting cases:
195 * 1. Regular file in fs_entries and not in db_files
196 * This is a new file to add_message into the database.
198 * 2. Filename in db_files not in fs_entries.
199 * This is a file that has been removed from the mail store.
201 * 3. Directory in db_subdirs not in fs_entries
202 * This is a directory that has been removed from the mail store.
204 * Note that the addition of a directory is not interesting here,
205 * since that will have been taken care of in pass 1. Also, we
206 * don't immediately act on file/directory removal since we must
207 * ensure that in the case of a rename that the new filename is
208 * added before the old filename is removed, (so that no
209 * information is lost from the database).
211 * o Tell the database to update its time of 'path' to 'fs_mtime'
213 static notmuch_status_t
214 add_files_recursive (notmuch_database_t *notmuch,
216 add_files_state_t *state)
219 struct dirent *entry = NULL;
221 time_t fs_mtime, db_mtime;
222 notmuch_status_t status, ret = NOTMUCH_STATUS_SUCCESS;
223 notmuch_message_t *message = NULL;
224 struct dirent **fs_entries = NULL;
225 int i, num_fs_entries;
226 notmuch_directory_t *directory;
227 notmuch_filenames_t *db_files = NULL;
228 notmuch_filenames_t *db_subdirs = NULL;
230 notmuch_bool_t is_maildir, new_directory;
233 if (stat (path, &st)) {
234 fprintf (stderr, "Error reading directory %s: %s\n",
235 path, strerror (errno));
236 return NOTMUCH_STATUS_FILE_ERROR;
239 /* This is not an error since we may have recursed based on a
240 * symlink to a regular file, not a directory, and we don't know
241 * that until this stat. */
242 if (! S_ISDIR (st.st_mode))
243 return NOTMUCH_STATUS_SUCCESS;
245 fs_mtime = st.st_mtime;
247 directory = notmuch_database_get_directory (notmuch, path);
248 db_mtime = notmuch_directory_get_mtime (directory);
250 new_directory = db_mtime ? FALSE : TRUE;
252 /* If the database knows about this directory, then we sort based
253 * on strcmp to match the database sorting. Otherwise, we can do
254 * inode-based sorting for faster filesystem operation. */
255 num_fs_entries = scandir (path, &fs_entries, 0,
257 dirent_sort_inode : dirent_sort_strcmp_name);
259 if (num_fs_entries == -1) {
260 fprintf (stderr, "Error opening directory %s: %s\n",
261 path, strerror (errno));
262 ret = NOTMUCH_STATUS_FILE_ERROR;
266 /* Pass 1: Recurse into all sub-directories. */
267 is_maildir = _entries_resemble_maildir (fs_entries, num_fs_entries);
269 for (i = 0; i < num_fs_entries; i++) {
273 entry = fs_entries[i];
275 /* We only want to descend into directories.
276 * But symlinks can be to directories too, of course.
278 * And if the filesystem doesn't tell us the file type in the
279 * scandir results, then it might be a directory (and if not,
280 * then we'll stat and return immediately in the next level of
282 if (entry->d_type != DT_DIR &&
283 entry->d_type != DT_LNK &&
284 entry->d_type != DT_UNKNOWN)
289 /* Ignore special directories to avoid infinite recursion.
290 * Also ignore the .notmuch directory and any "tmp" directory
291 * that appears within a maildir.
293 /* XXX: Eventually we'll want more sophistication to let the
294 * user specify files to be ignored. */
295 if (strcmp (entry->d_name, ".") == 0 ||
296 strcmp (entry->d_name, "..") == 0 ||
297 (is_maildir && strcmp (entry->d_name, "tmp") == 0) ||
298 strcmp (entry->d_name, ".notmuch") ==0)
303 next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name);
304 status = add_files_recursive (notmuch, next, state);
305 if (status && ret == NOTMUCH_STATUS_SUCCESS)
311 /* If the directory's modification time in the filesystem is the
312 * same as what we recorded in the database the last time we
313 * scanned it, then we can skip the second pass entirely.
315 * We test for strict equality here to avoid a bug that can happen
316 * if the system clock jumps backward, (preventing new mail from
317 * being discovered until the clock catches up and the directory
318 * is modified again).
320 if (fs_mtime == db_mtime)
323 if (!new_directory) {
324 db_files = notmuch_directory_get_child_files (directory);
325 db_subdirs = notmuch_directory_get_child_directories (directory);
328 /* Pass 2: Scan for new files, removed files, and removed directories. */
329 for (i = 0; i < num_fs_entries; i++)
334 entry = fs_entries[i];
336 /* Check if we've walked past any names in db_files or
337 * db_subdirs. If so, these have been deleted. */
338 while (notmuch_filenames_valid (db_files) &&
339 strcmp (notmuch_filenames_get (db_files), entry->d_name) < 0)
341 char *absolute = talloc_asprintf (state->removed_files,
343 notmuch_filenames_get (db_files));
345 _filename_list_add (state->removed_files, absolute);
347 notmuch_filenames_move_to_next (db_files);
350 while (notmuch_filenames_valid (db_subdirs) &&
351 strcmp (notmuch_filenames_get (db_subdirs), entry->d_name) <= 0)
353 const char *filename = notmuch_filenames_get (db_subdirs);
355 if (strcmp (filename, entry->d_name) < 0)
357 char *absolute = talloc_asprintf (state->removed_directories,
358 "%s/%s", path, filename);
360 _filename_list_add (state->removed_directories, absolute);
363 notmuch_filenames_move_to_next (db_subdirs);
366 /* If we're looking at a symlink, we only want to add it if it
367 * links to a regular file, (and not to a directory, say).
369 * Similarly, if the file is of unknown type (due to filesytem
370 * limitations), then we also need to look closer.
372 * In either case, a stat does the trick.
374 if (entry->d_type == DT_LNK || entry->d_type == DT_UNKNOWN) {
377 next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name);
378 err = stat (next, &st);
382 /* Don't emit an error for a link pointing nowhere, since
383 * the directory-traversal pass will have already done
388 if (! S_ISREG (st.st_mode))
390 } else if (entry->d_type != DT_REG) {
394 /* Don't add a file that we've added before. */
395 if (notmuch_filenames_valid (db_files) &&
396 strcmp (notmuch_filenames_get (db_files), entry->d_name) == 0)
398 notmuch_filenames_move_to_next (db_files);
402 /* We're now looking at a regular file that doesn't yet exist
403 * in the database, so add it. */
404 next = talloc_asprintf (notmuch, "%s/%s", path, entry->d_name);
406 state->processed_files++;
408 if (state->verbose) {
409 if (state->output_is_a_tty)
413 state->processed_files,
417 putchar((state->output_is_a_tty) ? '\r' : '\n');
421 status = notmuch_database_add_message (notmuch, next, &message);
424 case NOTMUCH_STATUS_SUCCESS:
425 state->added_messages++;
426 notmuch_message_freeze (message);
427 for (tag=state->new_tags; *tag != NULL; tag++)
428 notmuch_message_add_tag (message, *tag);
429 if (state->synchronize_flags == TRUE)
430 notmuch_message_maildir_flags_to_tags (message);
431 notmuch_message_thaw (message);
433 /* Non-fatal issues (go on to next file) */
434 case NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID:
435 /* Defer sync of maildir flags until after old filenames
436 * are removed in the case of a rename. */
437 if (state->synchronize_flags == TRUE)
438 _filename_list_add (state->message_ids_to_sync,
439 notmuch_message_get_message_id (message));
441 case NOTMUCH_STATUS_FILE_NOT_EMAIL:
442 fprintf (stderr, "Note: Ignoring non-mail file: %s\n",
445 /* Fatal issues. Don't process anymore. */
446 case NOTMUCH_STATUS_READ_ONLY_DATABASE:
447 case NOTMUCH_STATUS_XAPIAN_EXCEPTION:
448 case NOTMUCH_STATUS_OUT_OF_MEMORY:
449 fprintf (stderr, "Error: %s. Halting processing.\n",
450 notmuch_status_to_string (status));
454 case NOTMUCH_STATUS_FILE_ERROR:
455 case NOTMUCH_STATUS_NULL_POINTER:
456 case NOTMUCH_STATUS_TAG_TOO_LONG:
457 case NOTMUCH_STATUS_UNBALANCED_FREEZE_THAW:
458 case NOTMUCH_STATUS_LAST_STATUS:
459 INTERNAL_ERROR ("add_message returned unexpected value: %d", status);
464 notmuch_message_destroy (message);
468 if (do_print_progress) {
469 do_print_progress = 0;
470 generic_print_progress ("Processed", "files", state->tv_start,
471 state->processed_files, state->total_files);
481 /* Now that we've walked the whole filesystem list, anything left
482 * over in the database lists has been deleted. */
483 while (notmuch_filenames_valid (db_files))
485 char *absolute = talloc_asprintf (state->removed_files,
487 notmuch_filenames_get (db_files));
489 _filename_list_add (state->removed_files, absolute);
491 notmuch_filenames_move_to_next (db_files);
494 while (notmuch_filenames_valid (db_subdirs))
496 char *absolute = talloc_asprintf (state->removed_directories,
498 notmuch_filenames_get (db_subdirs));
500 _filename_list_add (state->removed_directories, absolute);
502 notmuch_filenames_move_to_next (db_subdirs);
506 status = notmuch_directory_set_mtime (directory, fs_mtime);
507 if (status && ret == NOTMUCH_STATUS_SUCCESS)
521 notmuch_filenames_destroy (db_subdirs);
523 notmuch_filenames_destroy (db_files);
525 notmuch_directory_destroy (directory);
531 setup_progress_printing_timer (void)
533 struct sigaction action;
534 struct itimerval timerval;
536 /* Setup our handler for SIGALRM */
537 memset (&action, 0, sizeof (struct sigaction));
538 action.sa_handler = handle_sigalrm;
539 sigemptyset (&action.sa_mask);
540 action.sa_flags = SA_RESTART;
541 sigaction (SIGALRM, &action, NULL);
543 /* Then start a timer to send SIGALRM once per second. */
544 timerval.it_interval.tv_sec = 1;
545 timerval.it_interval.tv_usec = 0;
546 timerval.it_value.tv_sec = 1;
547 timerval.it_value.tv_usec = 0;
548 setitimer (ITIMER_REAL, &timerval, NULL);
552 stop_progress_printing_timer (void)
554 struct sigaction action;
555 struct itimerval timerval;
557 /* Now stop the timer. */
558 timerval.it_interval.tv_sec = 0;
559 timerval.it_interval.tv_usec = 0;
560 timerval.it_value.tv_sec = 0;
561 timerval.it_value.tv_usec = 0;
562 setitimer (ITIMER_REAL, &timerval, NULL);
564 /* And disable the signal handler. */
565 action.sa_handler = SIG_IGN;
566 sigaction (SIGALRM, &action, NULL);
570 /* This is the top-level entry point for add_files. It does a couple
571 * of error checks and then calls into the recursive function. */
572 static notmuch_status_t
573 add_files (notmuch_database_t *notmuch,
575 add_files_state_t *state)
577 notmuch_status_t status;
580 if (stat (path, &st)) {
581 fprintf (stderr, "Error reading directory %s: %s\n",
582 path, strerror (errno));
583 return NOTMUCH_STATUS_FILE_ERROR;
586 if (! S_ISDIR (st.st_mode)) {
587 fprintf (stderr, "Error: %s is not a directory.\n", path);
588 return NOTMUCH_STATUS_FILE_ERROR;
591 status = add_files_recursive (notmuch, path, state);
596 /* XXX: This should be merged with the add_files function since it
597 * shares a lot of logic with it. */
598 /* Recursively count all regular files in path and all sub-directories
599 * of path. The result is added to *count (which should be
600 * initialized to zero by the top-level caller before calling
603 count_files (const char *path, int *count)
605 struct dirent *entry = NULL;
608 struct dirent **fs_entries = NULL;
609 int num_fs_entries = scandir (path, &fs_entries, 0, dirent_sort_inode);
612 if (num_fs_entries == -1) {
613 fprintf (stderr, "Warning: failed to open directory %s: %s\n",
614 path, strerror (errno));
618 while (!interrupted) {
619 if (i == num_fs_entries)
622 entry = fs_entries[i++];
624 /* Ignore special directories to avoid infinite recursion.
625 * Also ignore the .notmuch directory.
627 /* XXX: Eventually we'll want more sophistication to let the
628 * user specify files to be ignored. */
629 if (strcmp (entry->d_name, ".") == 0 ||
630 strcmp (entry->d_name, "..") == 0 ||
631 strcmp (entry->d_name, ".notmuch") == 0)
636 if (asprintf (&next, "%s/%s", path, entry->d_name) == -1) {
638 fprintf (stderr, "Error descending from %s to %s: Out of memory\n",
639 path, entry->d_name);
645 if (S_ISREG (st.st_mode)) {
647 if (*count % 1000 == 0) {
648 printf ("Found %d files so far.\r", *count);
651 } else if (S_ISDIR (st.st_mode)) {
652 count_files (next, count);
666 upgrade_print_progress (void *closure,
669 add_files_state_t *state = closure;
671 printf ("Upgrading database: %.2f%% complete", progress * 100.0);
674 struct timeval tv_now;
675 double elapsed, time_remaining;
677 gettimeofday (&tv_now, NULL);
679 elapsed = notmuch_time_elapsed (state->tv_start, tv_now);
680 time_remaining = (elapsed / progress) * (1.0 - progress);
682 notmuch_time_print_formatted_seconds (time_remaining);
683 printf (" remaining)");
691 /* Recursively remove all filenames from the database referring to
692 * 'path' (or to any of its children). */
694 _remove_directory (void *ctx,
695 notmuch_database_t *notmuch,
700 notmuch_directory_t *directory;
701 notmuch_filenames_t *files, *subdirs;
702 notmuch_status_t status;
705 directory = notmuch_database_get_directory (notmuch, path);
707 for (files = notmuch_directory_get_child_files (directory);
708 notmuch_filenames_valid (files);
709 notmuch_filenames_move_to_next (files))
711 absolute = talloc_asprintf (ctx, "%s/%s", path,
712 notmuch_filenames_get (files));
713 status = notmuch_database_remove_message (notmuch, absolute);
714 if (status == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID)
715 *renamed_files = *renamed_files + 1;
717 *removed_files = *removed_files + 1;
718 talloc_free (absolute);
721 for (subdirs = notmuch_directory_get_child_directories (directory);
722 notmuch_filenames_valid (subdirs);
723 notmuch_filenames_move_to_next (subdirs))
725 absolute = talloc_asprintf (ctx, "%s/%s", path,
726 notmuch_filenames_get (subdirs));
727 _remove_directory (ctx, notmuch, absolute, renamed_files, removed_files);
728 talloc_free (absolute);
731 notmuch_directory_destroy (directory);
735 notmuch_new_command (void *ctx, int argc, char *argv[])
737 notmuch_config_t *config;
738 notmuch_database_t *notmuch;
739 add_files_state_t add_files_state;
741 struct timeval tv_now, tv_start;
745 char *dot_notmuch_path;
746 struct sigaction action;
748 int renamed_files, removed_files;
749 notmuch_status_t status;
751 notmuch_bool_t timer_is_active = FALSE;
753 add_files_state.verbose = 0;
754 add_files_state.output_is_a_tty = isatty (fileno (stdout));
756 for (i = 0; i < argc && argv[i][0] == '-'; i++) {
757 if (STRNCMP_LITERAL (argv[i], "--verbose") == 0) {
758 add_files_state.verbose = 1;
760 fprintf (stderr, "Unrecognized option: %s\n", argv[i]);
764 config = notmuch_config_open (ctx, NULL, NULL);
768 add_files_state.new_tags = notmuch_config_get_new_tags (config, &add_files_state.new_tags_length);
769 add_files_state.synchronize_flags = notmuch_config_get_maildir_synchronize_flags (config);
770 add_files_state.message_ids_to_sync = _filename_list_create (ctx);
771 db_path = notmuch_config_get_database_path (config);
773 dot_notmuch_path = talloc_asprintf (ctx, "%s/%s", db_path, ".notmuch");
775 if (stat (dot_notmuch_path, &st)) {
779 count_files (db_path, &count);
783 printf ("Found %d total files (that's not much mail).\n", count);
784 notmuch = notmuch_database_create (db_path);
785 add_files_state.total_files = count;
787 notmuch = notmuch_database_open (db_path,
788 NOTMUCH_DATABASE_MODE_READ_WRITE);
792 if (notmuch_database_needs_upgrade (notmuch)) {
793 printf ("Welcome to a new version of notmuch! Your database will now be upgraded.\n");
794 gettimeofday (&add_files_state.tv_start, NULL);
795 notmuch_database_upgrade (notmuch, upgrade_print_progress,
797 printf ("Your notmuch database has now been upgraded to database format version %u.\n",
798 notmuch_database_get_version (notmuch));
801 add_files_state.total_files = 0;
807 /* Setup our handler for SIGINT. We do this after having
808 * potentially done a database upgrade we this interrupt handler
810 memset (&action, 0, sizeof (struct sigaction));
811 action.sa_handler = handle_sigint;
812 sigemptyset (&action.sa_mask);
813 action.sa_flags = SA_RESTART;
814 sigaction (SIGINT, &action, NULL);
816 talloc_free (dot_notmuch_path);
817 dot_notmuch_path = NULL;
819 add_files_state.processed_files = 0;
820 add_files_state.added_messages = 0;
821 gettimeofday (&add_files_state.tv_start, NULL);
823 add_files_state.removed_files = _filename_list_create (ctx);
824 add_files_state.removed_directories = _filename_list_create (ctx);
826 if (! debugger_is_active () && add_files_state.output_is_a_tty
827 && ! add_files_state.verbose) {
828 setup_progress_printing_timer ();
829 timer_is_active = TRUE;
832 ret = add_files (notmuch, db_path, &add_files_state);
836 gettimeofday (&tv_start, NULL);
837 for (f = add_files_state.removed_files->head; f; f = f->next) {
838 status = notmuch_database_remove_message (notmuch, f->filename);
839 if (status == NOTMUCH_STATUS_DUPLICATE_MESSAGE_ID)
843 if (do_print_progress) {
844 do_print_progress = 0;
845 generic_print_progress ("Cleaned up", "messages",
846 tv_start, removed_files + renamed_files,
847 add_files_state.removed_files->count);
851 gettimeofday (&tv_start, NULL);
852 for (f = add_files_state.removed_directories->head, i = 0; f; f = f->next, i++) {
853 _remove_directory (ctx, notmuch, f->filename,
854 &renamed_files, &removed_files);
855 if (do_print_progress) {
856 do_print_progress = 0;
857 generic_print_progress ("Cleaned up", "directories",
859 add_files_state.removed_directories->count);
863 talloc_free (add_files_state.removed_files);
864 talloc_free (add_files_state.removed_directories);
866 /* Now that removals are done (hence the database is aware of all
867 * renames), we can synchronize maildir_flags to tags for all
868 * messages that had new filenames appear on this run. */
869 gettimeofday (&tv_start, NULL);
870 if (add_files_state.synchronize_flags) {
871 _filename_node_t *node;
872 notmuch_message_t *message;
873 for (node = add_files_state.message_ids_to_sync->head, i = 0;
875 node = node->next, i++)
877 message = notmuch_database_find_message (notmuch, node->filename);
878 notmuch_message_maildir_flags_to_tags (message);
879 notmuch_message_destroy (message);
880 if (do_print_progress) {
881 do_print_progress = 0;
882 generic_print_progress (
883 "Synchronized tags for", "messages",
884 tv_start, i, add_files_state.message_ids_to_sync->count);
889 talloc_free (add_files_state.message_ids_to_sync);
890 add_files_state.message_ids_to_sync = NULL;
893 stop_progress_printing_timer ();
895 gettimeofday (&tv_now, NULL);
896 elapsed = notmuch_time_elapsed (add_files_state.tv_start,
899 if (add_files_state.processed_files) {
900 printf ("Processed %d %s in ", add_files_state.processed_files,
901 add_files_state.processed_files == 1 ?
902 "file" : "total files");
903 notmuch_time_print_formatted_seconds (elapsed);
905 printf (" (%d files/sec.).\033[K\n",
906 (int) (add_files_state.processed_files / elapsed));
908 printf (".\033[K\n");
912 if (add_files_state.added_messages) {
913 printf ("Added %d new %s to the database.",
914 add_files_state.added_messages,
915 add_files_state.added_messages == 1 ?
916 "message" : "messages");
918 printf ("No new mail.");
922 printf (" Removed %d %s.",
924 removed_files == 1 ? "message" : "messages");
928 printf (" Detected %d file %s.",
930 renamed_files == 1 ? "rename" : "renames");
936 printf ("\nNote: At least one error was encountered: %s\n",
937 notmuch_status_to_string (ret));
940 notmuch_database_close (notmuch);
942 return ret || interrupted;