lib/desi/upstream.rb in desi-0.6.4 vs lib/desi/upstream.rb in desi-0.6.5

@@ -1,9 +1,10 @@
 # encoding: utf-8
 
 require "desi/http_client"
 require "json"
+require "semantic"
 
 module Desi
   class Upstream
 
     class Release < Struct.new(:version_name, :download_url)
@@ -32,10 +33,10 @@
       end
 
       protected
 
       def sortable_version
-        version_name.split('.').map {|c| c.to_i }
+        @sortable_version ||= Semantic::Version.new(version.sub(%r{.(beta|alpha|rc)}i, '-\1'))
       end
     end
 
     def initialize(opts = {})
       @client = opts.fetch(:http_client_factory, Desi::HttpClient).new('https://api.github.com/')