From: Fabian Groffen <grobian@gentoo.org>
Date: Sat, 6 Dec 2008 20:54:55 +0000 (-0000)
Subject: fix backtrace on unmerge by preventing to unmerge the prefix offset path itself,... 
X-Git-Url: http://git.tremily.us/gitweb.cgi?a=commitdiff_plain;h=e88e43c36c8d490dd82fbbb5d48808e7d008f0be;p=portage.git

fix backtrace on unmerge by preventing to unmerge the prefix offset path itself, thanks zmedico for the initial patch

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

diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py
index d67ad5c93..715e4a75d 100644
--- 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)