+#undef MINUTE
+#undef HOUR
+#undef DAY
+
+/* Get a nice, single-line summary of message. */
+static const char *
+_get_one_line_summary (void *ctx, notmuch_message_t *message)
+{
+ const char *from;
+ time_t date;
+ const char *relative_date;
+ const char *subject;
+
+ from = notmuch_message_get_header (message, "from");
+
+ date = notmuch_message_get_date (message);
+ relative_date = _format_relative_date (ctx, date);
+
+ subject = notmuch_message_get_header (message, "subject");
+
+ return talloc_asprintf (ctx, "%s (%s) %s",
+ from, relative_date, subject);
+}
+
+static int
+show_command (unused (int argc), unused (char *argv[]))
+{
+ void *local = talloc_new (NULL);
+ char *query_string;
+ notmuch_database_t *notmuch = NULL;
+ notmuch_query_t *query = NULL;
+ notmuch_message_results_t *messages;
+ notmuch_message_t *message;
+ const char *filename;
+ FILE *file;
+ int ret = 0;
+ int c;
+
+ const char *headers[] = {
+ "Subject", "From", "To", "Cc", "Bcc", "Date"
+ };
+ const char *name, *value;
+ unsigned int i;
+
+ if (argc != 1) {
+ fprintf (stderr, "Error: \"notmuch show\" requires exactly one thread-ID argument.\n");
+ ret = 1;
+ goto DONE;
+ }
+
+ notmuch = notmuch_database_open (NULL);
+ if (notmuch == NULL) {
+ ret = 1;
+ goto DONE;
+ }
+
+ query_string = talloc_asprintf (local, "thread:%s", argv[0]);
+ if (query_string == NULL) {
+ fprintf (stderr, "Out of memory\n");
+ ret = 1;
+ goto DONE;
+ }
+
+ query = notmuch_query_create (notmuch, query_string);
+ if (query == NULL) {
+ fprintf (stderr, "Out of memory\n");
+ ret = 1;
+ goto DONE;
+ }
+
+ for (messages = notmuch_query_search_messages (query);
+ notmuch_message_results_has_more (messages);
+ notmuch_message_results_advance (messages))
+ {
+ message = notmuch_message_results_get (messages);
+
+ printf ("%%message{\n");
+
+ printf ("%%header{\n");
+
+ printf ("%s\n", _get_one_line_summary (local, message));
+
+ for (i = 0; i < ARRAY_SIZE (headers); i++) {
+ name = headers[i];
+ value = notmuch_message_get_header (message, name);
+ if (value)
+ printf ("%s: %s\n", name, value);
+ }
+
+ printf ("%%header}\n");
+
+ filename = notmuch_message_get_filename (message);
+
+ file = fopen (filename, "r");
+ if (file) {
+ size_t header_size = notmuch_message_get_header_size (message);
+ fseek (file, header_size + 1, SEEK_SET);
+ while (1) {
+ c = fgetc (file);
+ if (c == EOF)
+ break;
+ putchar (c);
+ }
+ }
+ fclose (file);
+
+ printf ("%%message}\n");
+
+ notmuch_message_destroy (message);
+ }
+
+ DONE:
+ if (local)
+ talloc_free (local);
+
+ if (query)
+ notmuch_query_destroy (query);
+
+ if (notmuch)
+ notmuch_database_close (notmuch);
+
+ return ret;
+}
+
+static int
+tag_command (unused (int argc), unused (char *argv[]))
+{
+ void *local;
+ int *add_tags, *remove_tags;
+ int add_tags_count = 0;
+ int remove_tags_count = 0;
+ char *query_string;
+ notmuch_database_t *notmuch = NULL;
+ notmuch_query_t *query;
+ notmuch_message_results_t *results;
+ notmuch_message_t *message;
+ int ret = 0;
+ int i;
+
+ local = talloc_new (NULL);
+ if (local == NULL) {
+ ret = 1;
+ goto DONE;
+ }
+
+ add_tags = talloc_size (local, argc * sizeof (int));
+ if (add_tags == NULL) {
+ ret = 1;
+ goto DONE;
+ }
+
+ remove_tags = talloc_size (local, argc * sizeof (int));
+ if (remove_tags == NULL) {
+ ret = 1;
+ goto DONE;
+ }
+
+ 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");
+ ret = 1;
+ goto DONE;
+ }
+
+ if (i == argc) {
+ fprintf (stderr, "Error: 'notmuch tag' requires at least one search term.\n");
+ ret = 1;
+ goto DONE;
+ }
+
+ notmuch = notmuch_database_open (NULL);
+ if (notmuch == NULL) {
+ ret = 1;
+ goto DONE;
+ }
+
+ query_string = query_string_from_args (local, argc - i, &argv[i]);
+
+ query = notmuch_query_create (notmuch, query_string);
+ if (query == NULL) {
+ fprintf (stderr, "Out of memory.\n");
+ ret = 1;
+ goto DONE;
+ }
+
+ for (results = notmuch_query_search_messages (query);
+ notmuch_message_results_has_more (results);
+ notmuch_message_results_advance (results))
+ {
+ message = notmuch_message_results_get (results);
+
+ 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);
+
+ DONE:
+ if (notmuch)
+ notmuch_database_close (notmuch);
+
+ talloc_free (local);
+
+ return ret;
+}
+
+static int
+dump_command (int argc, char *argv[])
+{
+ FILE *output = NULL;
+ notmuch_database_t *notmuch = NULL;
+ notmuch_query_t *query;
+ notmuch_message_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_messages (query);
+ notmuch_message_results_has_more (results);
+ notmuch_message_results_advance (results))
+ {
+ int first = 1;
+ message = notmuch_message_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 && output != stdout)
+ fclose (output);
+
+ return ret;
+}
+
+static int
+restore_command (int argc, char *argv[])
+{
+ FILE *input = NULL;
+ notmuch_database_t *notmuch = NULL;
+ char *line = NULL;
+ size_t line_size;
+ ssize_t 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\n",
+ message_id);
+ goto NEXT_LINE;
+ }
+
+ notmuch_message_freeze (message);
+
+ notmuch_message_remove_all_tags (message);
+
+ next = tags;
+ while (next) {
+ tag = strsep (&next, " ");
+ if (*tag == '\0')
+ continue;
+ 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));
+ }
+ }
+
+ notmuch_message_thaw (message);
+ notmuch_message_destroy (message);
+ }
+ NEXT_LINE:
+ free (message_id);
+ free (tags);
+ }
+
+ regfree (®ex);
+
+ DONE:
+ if (line)
+ free (line);
+ if (notmuch)
+ notmuch_database_close (notmuch);
+ if (input && input != stdin)
+ fclose (input);
+
+ return ret;
+}
+
+static int
+help_command (int argc, char *argv[]);