Make best() return early when it's only given one package. (trunk r7664)

svn path=/main/branches/2.1.2/; revision=7668

diff --git a/pym/portage_versions.py b/pym/portage_versions.py
index 91b8cc1648ed4d7c63a8bd08d47e6c92930eb1a4..cf8d20d4f68d829a3db548b58d7a5f1c52a0669c 100644 (file)
--- a/pym/portage_versions.py
+++ b/pym/portage_versions.py
@@ -311,10 +311,10 @@ def catsplit(mydep):
 
 def best(mymatches):
        """Accepts None arguments; assumes matches are valid."""
-       if mymatches is None:
-               return ""
-       if not len(mymatches):
+       if not mymatches:
                return ""
+       if len(mymatches) == 1:
+               return mymatches[0]
        bestmatch = mymatches[0]
        p2 = catpkgsplit(bestmatch)[1:]
        for x in mymatches[1:]: