Rakefile in tracksperanto-3.1.0 vs Rakefile in tracksperanto-3.2.0

@@ -1,7 +1,9 @@
 require './lib/tracksperanto'
 require 'jeweler'
+require 'rake/hooks'
+
 Jeweler::Tasks.new do |gem|
   gem.version = Tracksperanto::VERSION
   gem.name = "tracksperanto"
   gem.summary = "A universal 2D tracks converter"
   gem.description = "Converts 2D track exports between different apps like Flame, MatchMover, PFTrack..."
@@ -29,6 +31,35 @@
   t.libs << "test"
   t.pattern = 'test/**/test_*.rb'
   t.verbose = true
 end
 
-task :default => [ :test ]
\ No newline at end of file
+# Automatically update the supported format list
+after :test do
+  formats = StringIO.new
+  
+  formats.puts(" ")
+  formats.puts('=== Formats Tracksperanto can read')
+  formats.puts(" ")
+  Tracksperanto.importers.each do | import_mdoule |
+    formats.puts("* %s" % import_mdoule.human_name)
+  end
+  
+  formats.puts(" ")
+  formats.puts('=== Formats Tracksperanto can export to')
+  formats.puts(" ")
+  Tracksperanto.exporters.each do | export_module |
+    formats.puts("* %s" % export_module.human_name)
+  end
+  
+  readme_text = File.read(File.dirname(__FILE__) + "/README.rdoc")
+  three = readme_text.split('---')
+  raise "Should split in 3" unless three.length == 3
+  three[1] = formats.string
+  
+  File.open(File.dirname(__FILE__) + "/README.rdoc", "w") do | f |
+    f.write(three.join('---'))
+  end
+end
+
+task :default => [ :test ]
+