complete ghost-on-removal-when-shared-thread-exists

To fully complete the ghost-on-removal-when-shared-thread-exists
proposal, we need to clear all ghost messages when the last active
message is removed from a thread.

diff --git a/lib/message.cc b/lib/message.cc
index b940453859f3f754c1c347246b96601840fd4d9b..68393055b3eb73b73ee3a1a4b5bde38ce8d94c73 100644 (file)
--- a/lib/message.cc
+++ b/lib/message.cc
@@ -1098,6 +1098,26 @@ _notmuch_message_delete (notmuch_message_t *message)
 
        notmuch_message_destroy (ghost);
        status = COERCE_STATUS (private_status, "Error converting to ghost message");
+    } else {
+       /* the thread is empty; drop all ghost messages from it */
+       notmuch_messages_t *messages;
+       status = _notmuch_query_search_documents (query,
+                                                 "ghost",
+                                                 &messages);
+       if (status == NOTMUCH_STATUS_SUCCESS) {
+           notmuch_status_t last_error = NOTMUCH_STATUS_SUCCESS;
+           while (notmuch_messages_valid (messages)) {
+               message = notmuch_messages_get (messages);
+               status = _notmuch_message_delete (message);
+               if (status) /* we'll report the last failure we see;
+                            * if there is more than one failure, we
+                            * forget about previous ones */
+                   last_error = status;
+               notmuch_message_destroy (message);
+               notmuch_messages_move_to_next (messages);
+           }
+           status = last_error;
+       }
     }
     notmuch_query_destroy (query);
     return status;

diff --git a/test/T590-thread-breakage.sh b/test/T590-thread-breakage.sh
index 81f27db4c6438b22f71d2b3b16fd447c4f53b86b..45446b9e2065faf2d21531ad5e751d85a49edcba 100755 (executable)
--- a/test/T590-thread-breakage.sh
+++ b/test/T590-thread-breakage.sh
@@ -121,10 +121,6 @@ notmuch new >/dev/null
 test_thread_count 0 'All messages gone: no threads'
 test_content_count apple 0
 test_content_count banana 0
-test_begin_subtest 'No ghosts should remain after full thread deletion'
-# this is known to fail; we are leaking ghost messages deliberately
-test_subtest_known_broken
-ghosts=$(../ghost-report ${MAIL_DIR}/.notmuch/xapian)
-test_expect_equal "$ghosts" "0"
+test_ghost_count 0 'No ghosts should remain after full thread deletion'
 
 test_done