From 0fe75ba28d0480839a2d41eb5cce0443c177141f Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Fri, 3 Nov 2006 20:32:54 +0000
Subject: [PATCH] For bug #153951, fail with a simple "Permission denied" error
 if the merge phase doesn't have write access to $ROOT.

svn path=/main/trunk/; revision=4916
---
 pym/portage.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pym/portage.py b/pym/portage.py
index ef84e3fc3..d6c5ec0be 100644
--- a/pym/portage.py
+++ b/pym/portage.py
@@ -3411,6 +3411,10 @@ def movefile(src,dest,newmtime=None,sstat=None,mysettings=None):
 
 def merge(mycat, mypkg, pkgloc, infloc, myroot, mysettings, myebuild=None,
 	mytree=None, mydbapi=None, vartree=None, prev_mtimes=None):
+	if not os.access(myroot, os.W_OK):
+		writemsg("Permission denied: access('%s', W_OK)\n" % myroot,
+			noiselevel=-1)
+		return errno.EACCES
 	mylink = dblink(mycat, mypkg, myroot, mysettings, treetype=mytree,
 		vartree=vartree)
 	return mylink.merge(pkgloc, infloc, myroot, myebuild,
-- 
2.26.2