Merge branch 'chardet'

Gemfile

-source 'http://rubygems.org'
+source "http://rubygems.org"
 
-gem 'rails', '3.1.1'
+gem "rails", "3.1.1"
 
-gem 'sqlite3'
-gem 'devise', "1.5.0"
-gem 'stamp'
-gem 'kaminari'
-gem 'haml-rails'
-gem 'jquery-rails'
-gem 'grit', :git => 'https://github.com/gitlabhq/grit.git'
+gem "sqlite3"
+gem "devise", "1.5.0"
+gem "stamp"
+gem "kaminari"
+gem "haml-rails"
+gem "jquery-rails"
+gem "grit", :git => "https://github.com/gitlabhq/grit.git"
 gem "carrierwave"
-gem 'six'
-gem 'therubyracer'
-gem 'faker'
-gem 'seed-fu', '~> 2.1.0'
+gem "six"
+gem "therubyracer"
+gem "faker"
+gem "seed-fu", "~> 2.1.0"
 gem "inifile"
 gem "pygments.rb", "0.2.3"
 gem "thin"
 gem "git"
 gem "acts_as_list"
-gem 'rdiscount'
-gem 'acts-as-taggable-on', '~> 2.1.0'
-gem 'drapper'
+gem "rdiscount"
+gem "acts-as-taggable-on", "~> 2.1.0"
+gem "drapper"
+gem "rchardet19", "~> 1.3.5"
 
 group :assets do
-  gem 'sass-rails',   "~> 3.1.0"
-  gem 'coffee-rails', "~> 3.1.0"
-  gem 'uglifier'
+  gem "sass-rails",   "~> 3.1.0"
+  gem "coffee-rails", "~> 3.1.0"
+  gem "uglifier"
 end
 
 group :development do
-  gem 'letter_opener'
-  gem 'rails-footnotes', '~> 3.7.5'
-  gem 'annotate', :git => 'https://github.com/ctran/annotate_models.git'
+  gem "letter_opener"
+  gem "rails-footnotes", "~> 3.7.5"
+  gem "annotate", :git => "https://github.com/ctran/annotate_models.git"
 end
 
 group :development, :test do
-  gem 'rspec-rails'
-  gem 'capybara'
-  gem 'autotest'
-  gem 'autotest-rails'
+  gem "rspec-rails"
+  gem "capybara"
+  gem "autotest"
+  gem "autotest-rails"
   unless ENV["CI"]
-    gem 'ruby-debug19', :require => 'ruby-debug'
+    gem "ruby-debug19", :require => "ruby-debug"
   end
-  gem 'awesome_print'
-  gem 'database_cleaner'
-  gem 'launchy'
+  gem "awesome_print"
+  gem "database_cleaner"
+  gem "launchy"
 end
 
 group :test do
-  gem 'turn', :require => false
-  gem 'simplecov', :require => false
+  gem "turn", :require => false
+  gem "simplecov", :require => false
   gem "shoulda", "~> 3.0.0.beta2"
 end

Gemfile.lock

@@ -157,6 +157,7 @@ GEM
       rdoc (~> 3.4)
       thor (~> 0.14.6)
     rake (0.9.2.2)
+    rchardet19 (1.3.5)
     rdiscount (1.6.8)
     rdoc (3.11)
       json (~> 1.4)
@@ -268,6 +269,7 @@ DEPENDENCIES
   pygments.rb (= 0.2.3)
   rails (= 3.1.1)
   rails-footnotes (~> 3.7.5)
+  rchardet19 (~> 1.3.5)
   rdiscount
   rspec-rails
   ruby-debug19

app/helpers/commits_helper.rb

 module CommitsHelper
+  include Utils::CharEncode
   def diff_line(line, line_new = 0, line_old = 0)
     full_line = html_escape(line.gsub(/\n/, ''))
     color = if line[0] == "+"

app/models/commit.rb

 class Commit
+  include Utils::CharEncode
+
   attr_accessor :commit
   attr_accessor :head
 
@@ -20,7 +22,7 @@ class Commit
   end
 
   def safe_message
-    message.force_encoding(Encoding::UTF_8)
+    encode(message)
   end
 
   def created_at
@@ -28,10 +30,10 @@ class Commit
   end
 
   def author_email
-    author.email.force_encoding(Encoding::UTF_8)
+    encode(author.email)
   end
 
   def author_name
-    author.name.force_encoding(Encoding::UTF_8)
+    encode(author.name)
   end
 end

app/views/commits/_text_file.html.haml

@@ -2,7 +2,7 @@
 - line_new = 0
 - lines_arr = diff.diff.lines.to_a
 - lines_arr.each do |line|
-  - line.force_encoding(Encoding::UTF_8)
+  - encode(line)
   - next if line.match(/^--- \/dev\/null/)
   - next if line.match(/^--- a/)
   - next if line.match(/^\+\+\+ b/)

lib/graph_commit.rb

 require "grit"
 
 class GraphCommit
+  include Utils::CharEncode
   attr_accessor :time, :space
   attr_accessor :refs
 
@@ -96,13 +97,13 @@ class GraphCommit
     h[:parents] = self.parents.collect do |p|
       [p.id,0,0]
     end
-    h[:author]  = author.name.force_encoding("UTF-8")
+    h[:author]  = encode(author.name)
     h[:time]    = time
     h[:space]   = space
     h[:refs]    = refs.collect{|r|r.name}.join(" ") unless refs.nil?
     h[:id]      = sha
     h[:date]    = date
-    h[:message] = message.force_encoding("UTF-8")
+    h[:message] = encode(message)
     h[:login]   = author.email
     h
   end

lib/utils.rb

@@ -16,9 +16,20 @@ module Utils
     end
   end
 
+  module CharEncode
+    def encode(string)
+      cd = CharDet.detect(string)
+      if cd.confidence > 0.6
+        string.force_encoding(cd.encoding)
+      end
+      string.encode("utf-8", :undef => :replace, :replace => "?", :invalid => :replace)
+    end
+  end
+
   module Colorize
+    include CharEncode
     def colorize
-      system_colorize(data, name)
+      system_colorize(encode(data), name)
     end
 
     def system_colorize(data, file_name)