switched to using launchy to launch browser to observe system defaults

Rakefile

@@ -19,6 +19,7 @@ begin
 
     # Testing
     s.test_files = FileList["test/**/*_test.rb"]
+    s.add_dependency 'launchy', '~> 0.3.5'
     s.add_development_dependency 'mocha', '~> 0.9.5'
   end
 
@@ -32,4 +33,4 @@ Rake::TestTask.new do |t|
   t.verbose = false
 end
 
-task :default => :test
+task :default => :test

lib/rubygems/commands/read_command.rb

@@ -1,3 +1,4 @@
+require 'launchy'
 # ReadCommand will open a gem's rdoc
 class Gem::Commands::ReadCommand < Gem::Command
   include OpenGem::CommonOptions
@@ -40,22 +41,17 @@ def generate_rdoc spec
     Gem::DocManager.new(spec).generate_rdoc
   end
 
-  def rdoc_reader
-    options[:command] || case RUBY_PLATFORM.downcase
-      when /darwin/ then 'open'
-      when /mswin/  then 'explorer'
-      when /linux/  then 'firefox'
-      else               'firefox' # Come on, if you write ruby, you probably have firefox installed ;)
-    end
-  end
-
   def read_gem(path)
-    command_parts = Shellwords.shellwords(rdoc_reader)
-    command_parts << path
-    success = system(*command_parts)
-    if !success 
-      raise Gem::CommandLineError, "Could not run '#{rdoc_reader} #{path}', exit code: #{$?.exitstatus}"
+    if options[:command]
+      command_parts = Shellwords.shellwords(options[:command])
+      command_parts << path
+      success = system(*command_parts)
+      if !success 
+        raise Gem::CommandLineError, "Could not run '#{rdoc_reader} #{path}', exit code: #{$?.exitstatus}"
+      end
+    else
+      Launchy::Browser.run("file://"+path)
     end
   end
 
-end
+end

open_gem.gemspec

@@ -1,6 +1,6 @@
 # Generated by jeweler
-# DO NOT EDIT THIS FILE
-# Instead, edit Jeweler::Tasks in Rakefile, and run `rake gemspec`
+# DO NOT EDIT THIS FILE DIRECTLY
+# Instead, edit Jeweler::Tasks in Rakefile, and run the gemspec command
 # -*- encoding: utf-8 -*-
 
 Gem::Specification.new do |s|
@@ -9,7 +9,7 @@ Gem::Specification.new do |s|
 
   s.required_rubygems_version = Gem::Requirement.new(">= 0") if s.respond_to? :required_rubygems_version=
   s.authors = ["Adam Sanderson"]
-  s.date = %q{2009-10-09}
+  s.date = %q{2010-04-22}
   s.description = %q{      Open a gem's source directory with either the default editor, or a specified command.
 }
   s.email = %q{netghost@gmail.com}
@@ -31,7 +31,7 @@ Gem::Specification.new do |s|
   s.rdoc_options = ["--charset=UTF-8"]
   s.require_paths = ["lib"]
   s.rubyforge_project = %q{opengem}
-  s.rubygems_version = %q{1.3.5}
+  s.rubygems_version = %q{1.3.6}
   s.summary = %q{Gem Command to easily open a ruby gem with the editor of your choice.}
   s.test_files = [
     "test/open_command_test.rb"
@@ -42,11 +42,15 @@ Gem::Specification.new do |s|
     s.specification_version = 3
 
     if Gem::Version.new(Gem::RubyGemsVersion) >= Gem::Version.new('1.2.0') then
+      s.add_runtime_dependency(%q<launchy>, ["~> 0.3.5"])
       s.add_development_dependency(%q<mocha>, ["~> 0.9.5"])
     else
+      s.add_dependency(%q<launchy>, ["~> 0.3.5"])
       s.add_dependency(%q<mocha>, ["~> 0.9.5"])
     end
   else
+    s.add_dependency(%q<launchy>, ["~> 0.3.5"])
     s.add_dependency(%q<mocha>, ["~> 0.9.5"])
   end
 end
+