From 82f809d68e837bbca380902dbeba8aaac6e2e2ba Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Wed, 11 Jul 2007 00:33:04 +0000
Subject: For bug #184679, handle ENOTDIR by finding the non-directory parent
 and testing that for collision instead.

svn path=/main/trunk/; revision=7220
---
 pym/portage/dbapi/vartree.py | 33 +++++++++++++++++++++++++++++----
 1 file changed, 29 insertions(+), 4 deletions(-)

diff --git a/pym/portage/dbapi/vartree.py b/pym/portage/dbapi/vartree.py
index d91073705..93adc30a8 100644
--- a/pym/portage/dbapi/vartree.py
+++ b/pym/portage/dbapi/vartree.py
@@ -1440,7 +1440,8 @@ class dblink(object):
 			stopmerge = False
 			i=0
 			collisions = []
-
+			destroot = normalize_path(destroot).rstrip(os.path.sep) + \
+				os.path.sep
 			print green("*")+" checking "+str(len(mycontents))+" files for package collisions"
 			for f in mycontents:
 				nocheck = False
@@ -1460,10 +1461,34 @@ class dblink(object):
 				try:
 					dest_lstat = os.lstat(dest_path)
 				except EnvironmentError, e:
-					if e.errno != errno.ENOENT:
+					if e.errno == errno.ENOENT:
+						del e
+						continue
+					elif e.errno == errno.ENOTDIR:
+						del e
+						# A non-directory is in a location where this package
+						# expects to have a directory.
+						dest_lstat = None
+						parent_path = dest_path
+						while len(parent_path) > len(destroot):
+							parent_path = os.path.dirname(parent_path)
+							try:
+								dest_lstat = os.lstat(parent_path)
+								break
+							except EnvironmentError, e:
+								if e.errno != errno.ENOTDIR:
+									raise
+								del e
+						if not dest_lstat:
+							raise AssertionError(
+								"unable to find non-directory " + \
+								"parent for '%s'" % parent_path)
+						dest_path = parent_path
+						f = os.path.sep + dest_path[len(destroot):]
+						if f in collisions:
+							continue
+					else:
 						raise
-					del e
-					continue
 				if f[0] != "/":
 					f="/"+f
 				isowned = False
-- 
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