From 3dea187456e97810484f7ae788be7e23ffd1dad8 Mon Sep 17 00:00:00 2001
From: Thierry Vignaud <tv@mageia.org>
Date: Fri, 21 Dec 2012 17:37:47 +0000
Subject: prevent selecting an update medium without its parent medium

---
 perl-install/install/NEWS   | 3 +++
 perl-install/install/any.pm | 6 +++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/perl-install/install/NEWS b/perl-install/install/NEWS
index d99304511..c561ea099 100644
--- a/perl-install/install/NEWS
+++ b/perl-install/install/NEWS
@@ -1,3 +1,6 @@
+- media step:
+  o prevent selecting an update medium without its parent medium
+
 Version 15.14 - 17 December 2012
 
 - ugtk2: use new exceptions management
diff --git a/perl-install/install/any.pm b/perl-install/install/any.pm
index 073163ed6..fe05557f5 100644
--- a/perl-install/install/any.pm
+++ b/perl-install/install/any.pm
@@ -8,6 +8,7 @@ our @EXPORT_OK = qw(addToBeDone);
 #-######################################################################################
 #- misc imports
 #-######################################################################################
+use feature 'state';
 use common;
 use run_program;
 use fs::type;
@@ -376,7 +377,10 @@ sub media_screen {
                 val => \$medium->{temp_enabled}, type => 'bool', text => $name,
 		help => $medium->{update} ? N("This medium provides package updates for medium \"%s\"", $parent) : $descriptions{$name},
                 # 'Core Release' cannot be unselected:
-                disabled => sub { $name =~ /^(?:Core|Main) Release$/ },
+                disabled => sub {
+		    state $parent_media = $parent && urpm::media::name2medium($urpm, $parent);
+		    $name =~ /^(?:Core|Main) Release$/ || $parent_media ? !$parent_media->{temp_enabled} : 0;
+		},
             };
 	} @{$urpm->{media}},
     ]);
-- 
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