+int
+dump_command (int argc, char *argv[])
+{
+ FILE *output;
+ notmuch_database_t *notmuch;
+ notmuch_query_t *query;
+ notmuch_results_t *results;
+ notmuch_message_t *message;
+ notmuch_tags_t *tags;
+ int ret = 0;
+
+ if (argc) {
+ output = fopen (argv[0], "w");
+ if (output == NULL) {
+ fprintf (stderr, "Error opening %s for writing: %s\n",
+ argv[0], strerror (errno));
+ ret = 1;
+ goto DONE;
+ }
+ } else {
+ output = stdout;
+ }
+
+ notmuch = notmuch_database_open (NULL);
+ if (notmuch == NULL) {
+ ret = 1;
+ goto DONE;
+ }
+
+ query = notmuch_query_create (notmuch, "");
+ if (query == NULL) {
+ fprintf (stderr, "Out of memory\n");
+ ret = 1;
+ goto DONE;
+ }
+
+ notmuch_query_set_sort (query, NOTMUCH_SORT_MESSAGE_ID);
+
+ for (results = notmuch_query_search (query);
+ notmuch_results_has_more (results);
+ notmuch_results_advance (results))
+ {
+ int first = 1;
+ message = notmuch_results_get (results);
+
+ fprintf (output,
+ "%s (", notmuch_message_get_message_id (message));
+
+ for (tags = notmuch_message_get_tags (message);
+ notmuch_tags_has_more (tags);
+ notmuch_tags_advance (tags))
+ {
+ if (! first)
+ fprintf (output, " ");
+
+ fprintf (output, "%s", notmuch_tags_get (tags));
+
+ first = 0;
+ }
+
+ fprintf (output, ")\n");
+
+ notmuch_message_destroy (message);
+ }
+
+ notmuch_query_destroy (query);
+
+ DONE:
+ if (notmuch)
+ notmuch_database_close (notmuch);
+ if (output != stdout)
+ fclose (output);
+
+ return ret;
+}
+
+int
+restore_command (int argc, char *argv[])
+{
+ FILE *input;
+ notmuch_database_t *notmuch;
+ char *line = NULL;
+ size_t line_size, line_len;
+ regex_t regex;
+ int rerr;
+ int ret = 0;
+
+ if (argc) {
+ input = fopen (argv[0], "r");
+ if (input == NULL) {
+ fprintf (stderr, "Error opening %s for reading: %s\n",
+ argv[0], strerror (errno));
+ ret = 1;
+ goto DONE;
+ }
+ } else {
+ printf ("No filename given. Reading dump from stdin.\n");
+ input = stdin;
+ }
+
+ notmuch = notmuch_database_open (NULL);
+ if (notmuch == NULL) {
+ ret = 1;
+ goto DONE;
+ }
+
+ /* Dump output is one line per message. We match a sequence of
+ * non-space characters for the message-id, then one or more
+ * spaces, then a list of space-separated tags as a sequence of
+ * characters within literal '(' and ')'. */
+ xregcomp (®ex,
+ "^([^ ]+) \\(([^)]*)\\)$",
+ REG_EXTENDED);
+
+ while ((line_len = getline (&line, &line_size, input)) != -1) {
+ regmatch_t match[3];
+ char *message_id, *tags, *tag, *next;
+ notmuch_message_t *message;
+ notmuch_status_t status;
+
+ chomp_newline (line);
+
+ rerr = xregexec (®ex, line, 3, match, 0);
+ if (rerr == REG_NOMATCH)
+ {
+ fprintf (stderr, "Warning: Ignoring invalid input line: %s\n",
+ line);
+ continue;
+ }
+
+ message_id = xstrndup (line + match[1].rm_so,
+ match[1].rm_eo - match[1].rm_so);
+ tags = xstrndup (line + match[2].rm_so,
+ match[2].rm_eo - match[2].rm_so);
+
+ if (strlen (tags)) {
+
+ message = notmuch_database_find_message (notmuch, message_id);
+ if (message == NULL) {
+ fprintf (stderr, "Warning: Cannot apply tags to missing message: %s (",
+ message_id);
+ }
+
+ next = tags;
+ while (next) {
+ tag = strsep (&next, " ");
+ if (*tag == '\0')
+ continue;
+ if (message) {
+ status = notmuch_message_add_tag (message, tag);
+ if (status) {
+ fprintf (stderr,
+ "Error applying tag %s to message %s:\n",
+ tag, message_id);
+ fprintf (stderr, "%s\n",
+ notmuch_status_to_string (status));
+ }
+ } else {
+ fprintf (stderr, "%s ", tag);
+ }
+ }
+
+ if (message)
+ notmuch_message_destroy (message);
+ else
+ fprintf (stderr, ")\n");
+ }
+ free (message_id);
+ free (tags);
+ }
+
+ regfree (®ex);
+
+ DONE:
+ if (line)
+ free (line);
+ if (notmuch)
+ notmuch_database_close (notmuch);
+
+ return ret;
+}
+
projects / notmuch / blobdiff