From a743cc567b636e27d83d14202afcc28cc55ac2fe Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Mon, 12 Feb 2007 07:04:46 +0000
Subject: [PATCH] In the event of a circular dependency panic, eliminate root
 nodes in order to reduce the noise level to a minimum.

svn path=/main/trunk/; revision=5956
---
 bin/emerge | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/bin/emerge b/bin/emerge
index e97127b4f..1c8e02f6a 100755
--- a/bin/emerge
+++ b/bin/emerge
@@ -2057,6 +2057,15 @@ class depgraph:
 					self.altlist()
 				print "!!! Error: circular dependencies:"
 				print
+				# Reduce the noise level to a minimum via elimination of root
+				# nodes.
+				while True:
+					root_nodes = mygraph.root_nodes(
+						ignore_priority=DepPriority.SOFT)
+					if not root_nodes:
+						break
+					for node in root_nodes:
+						mygraph.remove(node)
 				mygraph.debug_print()
 				sys.exit(1)
 
-- 
2.26.2