Added a command line option (-n false) to disable notifications (growl/libnotify). closed #28

lib/guard.rb

@@ -17,6 +17,9 @@ module Guard
       @options  = options
       @listener = Listener.select_and_init
       @guards   = []
+
+      Notifier.turn_off unless options[:notify]
+
       self
     end
 

lib/guard/cli.rb

@@ -6,6 +6,7 @@ module Guard
     default_task :start
 
     method_option :clear,  :type => :boolean, :default => false, :aliases => '-c', :banner => "Auto clear shell before each change/run_all/reload"
+    method_option :notify, :type => :boolean, :default => true,  :aliases => '-n', :banner => "Notifications feature (growl/libnotify)"
     method_option :debug,  :type => :boolean, :default => false, :aliases => '-d', :banner => "Print debug messages"
     method_option :group,  :type => :array,   :default => [],    :aliases => '-g', :banner => "Run only the passed groups"
 

lib/guard/notifier.rb

@@ -4,8 +4,12 @@ require 'pathname'
 module Guard
   module Notifier
 
+    def self.turn_off
+      @disable = true
+    end
+
     def self.notify(message, options = {})
-      unless ENV["GUARD_ENV"] == "test"
+      unless @disable || ENV["GUARD_ENV"] == "test"
         image = options[:image] || :success
         title = options[:title] || "Guard"
         case Config::CONFIG['target_os']

spec/guard/notifier_spec.rb

@@ -30,6 +30,26 @@ describe Guard::Notifier do
       end
     end
 
+    context "turned off" do
+      before(:each) { subject.turn_off }
+
+      if mac?
+        require 'growl'
+        it "should do nothing" do
+          Growl.should_not_receive(:notify)
+          subject.notify 'great', :title => 'Guard'
+        end
+      end
+
+      if linux?
+        require 'libnotify'
+        it "should do nothing" do
+          Libnotify.should_not_receive(:show)
+          subject.notify 'great', :title => 'Guard'
+        end
+      end
+    end
+
     after(:each) { ENV["GUARD_ENV"] = 'test' }
   end
 

spec/guard_spec.rb

@@ -22,6 +22,11 @@ describe Guard do
       it "should init listener" do
         ::Guard.listener.should be_kind_of(Guard::Listener)
       end
+
+      it "should turn off notifier if notify option is false" do
+        ::Guard::Notifier.should_receive(:turn_off)
+        ::Guard.setup(:notify => false)
+      end
     end
 
     describe ".get_guard_class" do