From: Zac Medico <zmedico@gentoo.org>
Date: Sun, 22 Jul 2007 07:49:14 +0000 (-0000)
Subject: Fix the reverse dependency display for --prune when there is now real parent.
X-Git-Tag: v2.2_pre1~970
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=b143afc2a5b8e4ababd6ab9ce57d5a69d24dc12d;p=portage.git

Fix the reverse dependency display for --prune when there is now real parent.

svn path=/main/trunk/; revision=7351
---

diff --git a/pym/emerge/__init__.py b/pym/emerge/__init__.py
index d40957f9c..054d90661 100644
--- a/pym/emerge/__init__.py
+++ b/pym/emerge/__init__.py
@@ -5509,6 +5509,11 @@ def action_depclean(settings, trees, ldpath_mtimes,
 
 	def show_parents(child_node):
 		parent_nodes = graph.parent_nodes(child_node)
+		if not parent_nodes:
+			# With --prune, the highest version can be pulled in without any
+			# real parent since all installed packages are pulled in.  In that
+			# case there's nothing to show here.
+			return
 		parent_nodes.sort()
 		msg = []
 		msg.append("  %s pulled in by:\n" % str(child_node))