Add basic linguist bin

bin/linguist

@@ -0,0 +1,16 @@
+#!/usr/bin/env ruby
+
+require 'linguist/blob'
+require 'linguist/repository'
+
+path = ARGV[0] || Dir.pwd
+
+if File.directory?(path)
+  repo = Linguist::Repository.from_directory(path)
+  repo.languages.sort_by { |_, size| size }.reverse.each do |language, size|
+    percentage = ((size / repo.size.to_f) * 100).round
+    puts "%-4s %s" % ["#{percentage}%", language]
+  end
+else
+  abort "usage: linguist <path>"
+end

linguist.gemspec

@@ -4,6 +4,8 @@ Gem::Specification.new do |s|
   s.summary = "GitHub Language detection"
 
   s.files = Dir['lib/**/*']
+  s.executables << 'linguist'
+
   s.add_dependency 'albino',       '1.3.2'
   s.add_dependency 'escape_utils', '0.2.3'
   s.add_dependency 'mime-types',   '1.15'