From: Zac Medico <zmedico@gentoo.org>
Date: Thu, 5 Aug 2010 23:02:25 +0000 (-0700)
Subject: Bug #331271 - Fix USE_EXPAND wildcards so that the USE="linguas_en_US
X-Git-Tag: v2.2_rc68~390
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=7d92c18b49fabc98f75ca55c51acd2b849c39f5c;p=portage.git

Bug #331271 - Fix USE_EXPAND wildcards so that the USE="linguas_en_US
-linguas_*" case is handled correctly.
---

diff --git a/pym/portage/package/ebuild/config.py b/pym/portage/package/ebuild/config.py
index 7266a6366..bfff1cc44 100644
--- a/pym/portage/package/ebuild/config.py
+++ b/pym/portage/package/ebuild/config.py
@@ -2292,6 +2292,12 @@ class config(object):
 						continue
 
 				if x[0] == "-":
+					if x[-2:] == '_*':
+						prefix = x[1:-1]
+						prefix_len = len(prefix)
+						myflags.difference_update(
+							[y for y in myflags if \
+							y[:prefix_len] == prefix])
 					myflags.discard(x[1:])
 					continue