For bug #158100, use an exact reversal of the actual merge order for --tree output. It's more efficient than doing 2 order calculations.

svn path=/main/trunk/; revision=5965

1 files changed, 5 insertions, 0 deletions

diff --git a/bin/emerge b/bin/emerge
index 1c8e02f6..f0809ab3 100755
--- a/bin/emerge
+++ b/bin/emerge
@@ -1965,6 +1965,11 @@ class depgraph:
 	def altlist(self, reversed=False):
 		if reversed in self._altlist_cache:
 			return self._altlist_cache[reversed][:]
+		if reversed:
+			retlist = self.altlist()
+			retlist.reverse()
+			self._altlist_cache[reversed] = retlist[:]
+			return retlist
 		mygraph=self.digraph.copy()
 		myblockers = self.blocker_digraph.copy()
 		retlist=[]