Add os update for linux

Rakefile

@@ -57,17 +57,17 @@ end
 
 desc 'Start the Chid app'
 task :chid do
-  prompt = TTY::Prompt.new(help_color: :green)		
-  confirm_install = -> (action, &block) {		
+  prompt = TTY::Prompt.new(help_color: :green)
+  confirm_install = -> (action, &block) {
     matched = /^install:(.*)/.match(action)
     return block.() unless matched
 
     action_name = matched.captures.first
-    if  prompt.yes?("Can I install the #{action_name}?")		
-      block.()		
-    else		
-      puts "\nNo problem. What do you need?"		
-    end		
+    if  prompt.yes?("Can I install the #{action_name}?")
+      block.()
+    else
+      puts "\nNo problem. What do you need?"
+    end
   }
 
   Main.new(chid_config: chid_config).init do |action, args|
@@ -251,6 +251,15 @@ task :news do
   end
 end
 
+namespace :update do
+  desc 'Update os'
+  task :os do
+    chid_config.on_linux do
+      system('sudo apt-get update && sudo apt-get -y upgrade')
+    end
+  end
+end
+
 namespace :workstation do
 
   desc 'List all workstations'

main.rb

@@ -15,7 +15,8 @@ class Main
     :'workstation:open'    => [/workstation/, /work/, /open/, /open workstation/, /open work/],
     :'workstation:create'  => [/workstation/, /work/, /create/, /create workstation/, /create work/],
     :'workstation:destroy' => [/workstation/, /work/, /destroy/, /destroy workstation/,
-                               /destroy work/, /remove/, /remove workstation/, /remove work/]
+                               /destroy work/, /remove/, /remove workstation/, /remove work/],
+    :'update:os' => [/update os/, /update/]
   }
 
   ActionWithArgs = Struct.new(:action, :args)