[PATCH v6 03/10] reply: Require that only one message is returned

[Adam Wolfe Gordon]

As the semantics of replying to multiple messages have not yet been
defined well, make notmuch reply require that the search given returns
only a single message.
---
 notmuch-reply.c |   36 +++++++++++++++++++-----------------
 1 files changed, 19 insertions(+), 17 deletions(-)

diff --git a/notmuch-reply.c b/notmuch-reply.c
index 8e56245..177e6ca 100644
--- a/notmuch-reply.c
+++ b/notmuch-reply.c
@@ -572,30 +572,32 @@ notmuch_reply_format_default(void *ctx,
     notmuch_message_t *message;
     const notmuch_show_format_t *format = &format_reply;
 
-    for (messages = notmuch_query_search_messages (query);
-	 notmuch_messages_valid (messages);
-	 notmuch_messages_move_to_next (messages))
-    {
-	message = notmuch_messages_get (messages);
+    if (notmuch_query_count_messages (query) != 1) {
+	fprintf (stderr, "Error: search term did not match precisely one message.\n");
+	return 1;
+    }
 
-	reply = create_reply_message (ctx, config, message, reply_all);
+    messages = notmuch_query_search_messages (query);
+    message = notmuch_messages_get (messages);
 
-	if (!reply)
-	    continue;
+    reply = create_reply_message (ctx, config, message, reply_all);
 
-	show_reply_headers (reply);
+    if (!reply)
+	return 1;
 
-	g_object_unref (G_OBJECT (reply));
-	reply = NULL;
+    show_reply_headers (reply);
 
-	printf ("On %s, %s wrote:\n",
-		notmuch_message_get_header (message, "date"),
-		notmuch_message_get_header (message, "from"));
+    g_object_unref (G_OBJECT (reply));
+    reply = NULL;
 
-	show_message_body (message, format, params);
+    printf ("On %s, %s wrote:\n",
+	    notmuch_message_get_header (message, "date"),
+	    notmuch_message_get_header (message, "from"));
+
+    show_message_body (message, format, params);
+
+    notmuch_message_destroy (message);
 
-	notmuch_message_destroy (message);
-    }
     return 0;
 }
 
-- 
1.7.5.4