fix backtrace on unmerge by preventing to unmerge the prefix offset path itself,...

svn path=/main/branches/prefix/; revision=12171

diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py
index d67ad5c931cd7d55e19f4c4e5d035fb3027eb0c8..715e4a75dfb266e23ed96c88cbe356e0b0fdeeba 100644 (file)
--- a/pym/portage/dbapi/vartree.py
+++ b/pym/portage/dbapi/vartree.py
@@ -2895,6 +2895,9 @@ class dblink(object):
                        mydirs.reverse()
 
                        for obj in mydirs:
+                               # don't try to unmerge the prefix offset itself
+                               if len(obj) <= len(EPREFIX):
+                                       continue
                                try:
                                        if bsd_chflags:
                                                lstatobj = os.lstat(obj)