+ return 0;
+}
+
+/* This format is currently tuned for a git send-email --notmuch hook */
+static int
+notmuch_reply_format_headers_only(void *ctx,
+ notmuch_config_t *config,
+ notmuch_query_t *query,
+ unused (notmuch_show_params_t *params),
+ notmuch_bool_t reply_all)
+{
+ GMimeMessage *reply;
+ notmuch_messages_t *messages;
+ notmuch_message_t *message;
+ const char *in_reply_to, *orig_references, *references;
+ char *reply_headers;
+
+ for (messages = notmuch_query_search_messages (query);
+ notmuch_messages_valid (messages);
+ notmuch_messages_move_to_next (messages))
+ {
+ message = notmuch_messages_get (messages);
+
+ /* The 0 means we do not want headers in a "pretty" order. */
+ reply = g_mime_message_new (0);
+ if (reply == NULL) {
+ fprintf (stderr, "Out of memory\n");
+ return 1;
+ }
+
+ in_reply_to = talloc_asprintf (ctx, "<%s>",
+ notmuch_message_get_message_id (message));
+
+ g_mime_object_set_header (GMIME_OBJECT (reply),
+ "In-Reply-To", in_reply_to);
+
+
+ orig_references = notmuch_message_get_header (message, "references");
+
+ /* We print In-Reply-To followed by References because git format-patch treats them
+ * specially. Git does not interpret the other headers specially
+ */
+ references = talloc_asprintf (ctx, "%s%s%s",
+ orig_references ? orig_references : "",
+ orig_references ? " " : "",
+ in_reply_to);
+ g_mime_object_set_header (GMIME_OBJECT (reply),
+ "References", references);
+
+ (void)add_recipients_from_message (reply, config, message, reply_all);
+
+ reply_headers = g_mime_object_to_string (GMIME_OBJECT (reply));
+ printf ("%s", reply_headers);
+ free (reply_headers);
+
+ g_object_unref (G_OBJECT (reply));
+ reply = NULL;
+
+ notmuch_message_destroy (message);
+ }
+ return 0;
+}
+
+enum {
+ FORMAT_DEFAULT,
+ FORMAT_HEADERS_ONLY,
+};
+
+int
+notmuch_reply_command (void *ctx, int argc, char *argv[])
+{
+ notmuch_config_t *config;
+ notmuch_database_t *notmuch;
+ notmuch_query_t *query;
+ char *query_string;
+ int opt_index, ret = 0;
+ int (*reply_format_func)(void *ctx, notmuch_config_t *config, notmuch_query_t *query, notmuch_show_params_t *params, notmuch_bool_t reply_all);
+ notmuch_show_params_t params = { .part = -1 };
+ int format = FORMAT_DEFAULT;
+ int reply_all = TRUE;
+
+ notmuch_opt_desc_t options[] = {
+ { NOTMUCH_OPT_KEYWORD, &format, "format", 'f',
+ (notmuch_keyword_t []){ { "default", FORMAT_DEFAULT },
+ { "headers-only", FORMAT_HEADERS_ONLY },
+ { 0, 0 } } },
+ { NOTMUCH_OPT_KEYWORD, &reply_all, "reply-to", 'r',
+ (notmuch_keyword_t []){ { "all", TRUE },
+ { "sender", FALSE },
+ { 0, 0 } } },
+ { NOTMUCH_OPT_BOOLEAN, ¶ms.decrypt, "decrypt", 'd', 0 },
+ { 0, 0, 0, 0, 0 }
+ };
+
+ opt_index = parse_arguments (argc, argv, options, 1);
+ if (opt_index < 0) {
+ /* diagnostics already printed */
+ return 1;
+ }
+
+ if (format == FORMAT_HEADERS_ONLY)
+ reply_format_func = notmuch_reply_format_headers_only;
+ else
+ reply_format_func = notmuch_reply_format_default;
+
+ if (params.decrypt) {
+#ifdef GMIME_ATLEAST_26
+ /* TODO: GMimePasswordRequestFunc */
+ params.cryptoctx = g_mime_gpg_context_new (NULL, "gpg");
+#else
+ GMimeSession* session = g_object_new (g_mime_session_get_type(), NULL);
+ params.cryptoctx = g_mime_gpg_context_new (session, "gpg");
+#endif
+ if (params.cryptoctx) {
+ g_mime_gpg_context_set_always_trust ((GMimeGpgContext*) params.cryptoctx, FALSE);
+ } else {
+ params.decrypt = FALSE;
+ fprintf (stderr, "Failed to construct gpg context.\n");
+ }
+#ifndef GMIME_ATLEAST_26
+ g_object_unref (session);
+#endif
+ }
+
+ config = notmuch_config_open (ctx, NULL, NULL);
+ if (config == NULL)
+ return 1;
+
+ query_string = query_string_from_args (ctx, argc-opt_index, argv+opt_index);
+ if (query_string == NULL) {
+ fprintf (stderr, "Out of memory\n");
+ return 1;
+ }
+
+ if (*query_string == '\0') {
+ fprintf (stderr, "Error: notmuch reply requires at least one search term.\n");
+ return 1;
+ }
+
+ notmuch = notmuch_database_open (notmuch_config_get_database_path (config),
+ NOTMUCH_DATABASE_MODE_READ_ONLY);
+ if (notmuch == NULL)
+ return 1;
+
+ query = notmuch_query_create (notmuch, query_string);
+ if (query == NULL) {
+ fprintf (stderr, "Out of memory\n");
+ return 1;
+ }
+
+ if (reply_format_func (ctx, config, query, ¶ms, reply_all) != 0)
+ return 1;