Comment 2 for bug 1002688

Verified by changing the bug759701.sh test like this:

--- test/t/bug759701.sh 2011-12-21 16:40:27 +0000
+++ test/t/bug759701.sh 2012-05-22 13:48:07 +0000
@@ -37,7 +37,7 @@
 innobackupex --apply-log --redo-only $full_backup_dir
 vlog "Log applied to full backup"

-innobackupex --apply-log --redo-only --incremental-dir=$inc_backup_dir \
+innobackupex --apply-log --redo-only --incremental-dir=$inc_backup_dir/ \
     $full_backup_dir
 vlog "Delta applied to full backup"

So the bug occurs when the path in --incremental-dir ends with a slash.

The workaround is to remove the trailing slash from the --incremental-dir argument.