From: Zac Medico <zmedico@gentoo.org>
Date: Sun, 5 Dec 2010 00:58:58 +0000 (-0800)
Subject: Package: Use IUSE to validate built USE
X-Git-Tag: v2.1.9.26~36
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=e7f0965e86c93146b1726087c76ea14593b2fd20;p=portage.git

Package: Use IUSE to validate built USE
---

diff --git a/pym/_emerge/Package.py b/pym/_emerge/Package.py
index 361bfc70a..47a435f21 100644
--- a/pym/_emerge/Package.py
+++ b/pym/_emerge/Package.py
@@ -315,6 +315,14 @@ class Package(Task):
 			self._force = None
 			self._mask = None
 			self.enabled = frozenset(use_str.split())
+			if pkg.built:
+				# Use IUSE to validate USE settings for built packages,
+				# in case the package manager that built this package
+				# failed to do that for some reason (or in case of
+				# data corruption).
+				missing_iuse = pkg.iuse.get_missing_iuse(self.enabled)
+				if missing_iuse:
+					self.enabled = self.enabled.difference(missing_iuse)
 
 		def _init_force_mask(self):
 			pkgsettings = self._pkg._get_pkgsettings()