add inotify support for linux

fsevents_to_vm.gemspec

@@ -19,6 +19,7 @@ Gem::Specification.new do |spec|
   spec.require_paths = ["lib"]
 
   spec.add_dependency "rb-fsevent", "~> 0.9.5"
+  spec.add_dependency "rb-inotify", "~> 0.9.5"
   spec.add_dependency "thor", "~> 0.19.1"
   spec.add_dependency "net-ssh", "~> 2.9.2"
 

lib/fsevents_to_vm.rb

@@ -1,6 +1,7 @@
 require "fsevents_to_vm/version"
 
 require 'fsevents_to_vm/event'
+require 'fsevents_to_vm/fs_event_proxy'
 require 'fsevents_to_vm/watch'
 require 'fsevents_to_vm/path_filter'
 require 'fsevents_to_vm/recursion_filter'

lib/fsevents_to_vm/fs_event_proxy.rb

@@ -0,0 +1,52 @@
+def is_mac?
+  RUBY_PLATFORM.downcase.include?("darwin")
+end
+
+def is_linux?
+  RUBY_PLATFORM.downcase.include?("linux")
+end
+
+require 'rb-inotify' if is_linux?
+require 'rb-fsevent' if is_mac?
+
+module FseventsToVm
+  class FsEventProxy
+
+    attr_reader :notifier
+
+    #
+    # Accepts the ablosute_path which the notifier
+    # will monitor
+    #
+    def initialize(absolute_path)
+      @path = absolute_path
+      @notifier = INotify::Notifier.new if is_linux?
+      @notifier = FSEvent.new if is_mac?
+    end
+
+    #
+    # Accepts a Proc object containing the code
+    # to be executed when a notifier event occurs
+    #
+    def watch(&block)
+      if is_mac?
+        @notifier.watch([@path], file_events: true) do |event|
+          block.call(event)
+        end
+      elsif is_linux?
+        @notifier.watch(@path, :recursive, :attrib, :modify, :move, :create, :delete) do |event|
+          block.call([event.absolute_name])
+        end
+      end
+      puts "Watching #{@path}"
+    end
+
+    def run
+      @notifier.run
+    end
+
+    def stop
+      @notifier.stop
+    end
+  end
+end

lib/fsevents_to_vm/watch.rb

@@ -1,14 +1,12 @@
-require 'rb-fsevent'
-
 module FseventsToVm
   class Watch
-    def initialize(*listen_dirs)
-      @listen_dirs = listen_dirs
-      @fs = FSEvent.new
+    def initialize(listen_dir)
+      @listen_dir = listen_dir
+      @fs = FsEventProxy.new(@listen_dir)
     end
 
     def run
-      @fs.watch(@listen_dirs, file_events: true) do |files|
+      @fs.watch do |files|
         files.each do |file|
           event = build_event(file)
           yield event if event