Added --rails option to the Update command in order to update plugins…

… already added to a Rails app [#12 state:resolved]

CHANGELOG

@@ -1,3 +1,5 @@
+* Added --rails option to the Update command in order to update plugins already added to a Rails app [#12 state:resolved]
+
 * Added --rails option to the Install command as alias for the Add command [#11 state:resolved]
 
 * Added --all option to the Update command in order to update all installed plugins with one command [#2 state:resolved]

lib/sashimi/commands.rb

@@ -42,6 +42,8 @@ def options
           o.separator "    #{@script_name} update click-to-globalize\n"
           o.separator "  Update all installed plugins:"
           o.separator "    #{@script_name} update --all\n"
+          o.separator "  Update plugin(s) already added to a Rails app:"
+          o.separator "    #{@script_name} update --rails click-to-globalize\n"
           o.separator "  List all installed plugins:"
           o.separator "    #{@script_name} list\n"
           o.separator "  Add installed plugin(s) to a Rails app:"
@@ -139,13 +141,17 @@ def options
           o.banner =    "Usage: #{@base_command.script_name} update [OPTIONS] PLUGIN [PLUGIN2, PLUGIN3]"
           o.define_head "Update installed plugin(s)."
           o.on("-a", "--all", "Update all installed plugins.") { |@all| }
+          o.on("-r", "--rails", "Install the plugin(s) in a Rails app.") { |@rails| }
         end
       end
 
       def parse!(args)
         options.parse!(args)
+        raise "Can't use both --all and --rails arguments." if @all and @rails
         if @all
           update_plugins(AbstractRepository.plugins_names)
+        elsif @rails
+          AbstractRepository.update_rails_plugins(args)
         else
           update_plugins(args)
         end

lib/sashimi/repositories/abstract_repository.rb

@@ -56,6 +56,21 @@ def plugins_names
         cache_content.keys.sort
       end
 
+      # Update the plugins installed in a rails app.
+      def update_rails_plugins(plugins_names)
+        change_dir(path_to_rails_app)
+        update_unversioned_rails_plugins(plugins_names) unless under_version_control?
+      end
+
+      # Update the plugins installed in a non versioned rails app.
+      def update_unversioned_rails_plugins(plugins_names)
+        change_dir(plugins_dir)
+        plugins_names.each do |plugin_name|
+          FileUtils.rm_rf(plugin_name)
+          Plugin.new(plugin_name).add
+        end
+      end
+
       def local_repository_path #:nodoc:
         @local_repository_path ||= File.join(find_home, @@local_repository_sub_path) 
       end
@@ -100,6 +115,11 @@ def plugins_dir
         @@plugins_dir ||= File.join('vendor', 'plugins')
       end
 
+      # Check if the current working directory is under version control
+      def under_version_control?
+        !Dir.glob("{.git, .svn}").empty?
+      end
+
       # Find the user home directory
       def find_home
         ['HOME', 'USERPROFILE'].each do |homekey|