dovecot: Handle setting deleted mailboxes to nonexistent.

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot/rev/4d14254bc40a
changeset: 6057:4d14254bc40a
user:      Timo Sirainen <tss at iki.fi>
date:      Wed Jul 18 03:15:08 2007 +0300
description:
Handle setting deleted mailboxes to nonexistent.

diffstat:

1 file changed, 16 insertions(+)
src/lib-index/mailbox-list-index-sync.c |   16 ++++++++++++++++

diffs (35 lines):

diff -r b06dfb878783 -r 4d14254bc40a src/lib-index/mailbox-list-index-sync.c
--- a/src/lib-index/mailbox-list-index-sync.c	Wed Jul 18 02:26:08 2007 +0300
+++ b/src/lib-index/mailbox-list-index-sync.c	Wed Jul 18 03:15:08 2007 +0300
@@ -30,7 +30,10 @@ struct mailbox_list_sync_record {
 	uint32_t dir_offset;
 
 	uint32_t created:1;
+	/* This record was seen while syncing, either as parent or as leaf */
 	uint32_t seen:1;
+	/* This record was seen as leaf while syncing, so it exists */
+	uint32_t exists:1;
 };
 
 struct mailbox_list_sync_dir {
@@ -273,7 +276,20 @@ mailbox_list_index_sync_int(struct mailb
 
 		if (p == NULL) {
 			/* leaf */
+			rec->exists = TRUE;
+			mail_index_update_flags(ctx->trans, rec->seq,
+				MODIFY_REMOVE,
+				MAILBOX_LIST_INDEX_FLAG_NONEXISTENT);
 			break;
+		}
+
+		/* we were handling a parent, continue with its child */
+		if (!rec->exists) {
+			/* Mark this mailbox non-existent for now. If it
+			   exists, this flag is removed later. */
+			mail_index_update_flags(ctx->trans, rec->seq,
+				MODIFY_ADD,
+				MAILBOX_LIST_INDEX_FLAG_NONEXISTENT);
 		}
 
 		if (rec->dir == NULL) {