lib/vim-flavor/facade.rb in vim-flavor-1.1.5 vs lib/vim-flavor/facade.rb in vim-flavor-2.0.0

@@ -100,18 +100,22 @@
       def choose_a_flavor(nfg)
         vs = nfg.map {|nf| nf.locked_version}.uniq
         if vs.length == 1
           nfg.first
         else
-          latest_version = vs.max()
-          if nfg.all? {|nf| nf.satisfied_with?(latest_version)}
+          lv = find_latest_version(vs)
+          if lv and nfg.all? {|nf| nf.satisfied_with?(lv)}
             nf = nfg.first
-            nf.use_specific_version(latest_version)
+            nf.use_specific_version(lv)
             nf
           else
             stop_by_incompatible_declarations(nfg)
           end
         end
+      end
+
+      def find_latest_version(vs)
+        vs.all? {|v| PlainVersion === v} and vs.max() or nil
       end
 
       def stop_by_incompatible_declarations(nfg)
         ss = []
         ss << 'Found incompatible declarations:'