dovecot-1.0: Handle RENAME "a" "a.b" correctly. Based on patch b...

[dovecot at dovecot.org]

details:   http://hg.dovecot.org/dovecot-1.0/rev/c86684296ce8
changeset: 5426:c86684296ce8
user:      Timo Sirainen <tss at iki.fi>
date:      Sun Oct 21 02:20:23 2007 +0300
description:
Handle RENAME "a" "a.b" correctly. Based on patch by pod.

diffstat:

1 file changed, 7 insertions(+)
src/lib-storage/index/maildir/maildir-storage.c |    7 +++++++

diffs (17 lines):

diff -r 8dcc215fbc06 -r c86684296ce8 src/lib-storage/index/maildir/maildir-storage.c
--- a/src/lib-storage/index/maildir/maildir-storage.c	Sun Oct 21 00:03:20 2007 +0300
+++ b/src/lib-storage/index/maildir/maildir-storage.c	Sun Oct 21 02:20:23 2007 +0300
@@ -940,6 +940,13 @@ static int rename_subfolders(struct inde
 		t_push();
 
 		old_listname = t_strconcat(oldname, names[i], NULL);
+		if (strcmp(old_listname, newname) == 0) {
+			/* When doing RENAME "a" "a.b" we see "a.b" here.
+			   We don't want to rename it anymore to "a.b.b". */
+			t_pop();
+			continue;
+		}
+
 		new_listname = t_strconcat(newname, names[i], NULL);
 		oldpath = maildir_get_path(storage, old_listname);
 		newpath = maildir_get_path(storage, new_listname);