+ from = notmuch_message_get_header (message, "from");
+ from = _extract_email_address (ctx, from);
+
+ date = notmuch_message_get_date (message);
+ gmtime_r (&date, &date_gmtime);
+ asctime_r (&date_gmtime, date_asctime);
+
+ printf ("From %s %s", from, date_asctime);
+
+ while ((line_len = getline (&line, &line_size, file)) != -1 ) {
+ if (_is_from_line (line))
+ putchar ('>');
+ printf ("%s", line);
+ }
+
+ printf ("\n");
+
+ fclose (file);
+}
+
+static void
+format_headers_text (const void *ctx, notmuch_message_t *message)
+{
+ const char *headers[] = {
+ "Subject", "From", "To", "Cc", "Bcc", "Date"
+ };
+ const char *name, *value;
+ unsigned int i;
+
+ printf ("%s\n", _get_one_line_summary (ctx, message));
+
+ for (i = 0; i < ARRAY_SIZE (headers); i++) {
+ name = headers[i];
+ value = notmuch_message_get_header (message, name);
+ if (value && strlen (value))
+ printf ("%s: %s\n", name, value);
+ }
+}
+
+static void
+format_headers_json (const void *ctx, notmuch_message_t *message)
+{
+ const char *headers[] = {
+ "Subject", "From", "To", "Cc", "Bcc", "Date"
+ };
+ const char *name, *value;
+ unsigned int i;
+ int first_header = 1;
+ void *ctx_quote = talloc_new (ctx);
+
+ for (i = 0; i < ARRAY_SIZE (headers); i++) {
+ name = headers[i];
+ value = notmuch_message_get_header (message, name);
+ if (value)
+ {
+ if (!first_header)
+ fputs (", ", stdout);
+ first_header = 0;
+
+ printf ("%s: %s",
+ json_quote_str (ctx_quote, name),
+ json_quote_str (ctx_quote, value));
+ }
+ }
+
+ talloc_free (ctx_quote);
+}
+
+/* Write a MIME text part out to the given stream.
+ *
+ * Both line-ending conversion (CRLF->LF) and charset conversion ( ->
+ * UTF-8) will be performed, so it is inappropriate to call this
+ * function with a non-text part. Doing so will trigger an internal
+ * error.
+ */
+static void
+show_text_part_content (GMimeObject *part, GMimeStream *stream_out)
+{
+ GMimeContentType *content_type = g_mime_object_get_content_type (GMIME_OBJECT (part));
+ GMimeStream *stream_filter = NULL;
+ GMimeDataWrapper *wrapper;
+ const char *charset;
+
+ if (! g_mime_content_type_is_type (content_type, "text", "*"))
+ INTERNAL_ERROR ("Illegal request to format non-text part (%s) as text.",
+ g_mime_content_type_to_string (content_type));
+
+ if (stream_out == NULL)