first stab at inotify listener

Gemfile

@@ -0,0 +1,7 @@
+source :rubygems
+
+gem 'rb-inotify', '~> 0.7.2'
+
+group :test do
+  gem 'rspec', '~> 1.3.0'
+end

lib/rspactor/listener.rb

@@ -13,12 +13,15 @@ def initialize(options = {}, &callback)
       @pipe = nil
       timestamp_checked
     end
+
+    def self.fsevent_bin
+      @fsevent_bin ||= File.expand_path('../../../bin/fsevent_watch', __FILE__)
+    end
 
     def start(directories)
       @dirs = Array(directories)
-      watcher = File.expand_path('../../../bin/fsevent_watch', __FILE__)
       # FIXME: support directories with spaces in them
-      @pipe = IO.popen("#{watcher} #{@dirs.join(' ')}", 'r')
+      @pipe = IO.popen("#{self.class.fsevent_bin} #{@dirs.join(' ')}", 'r')
       return self
     end
 
@@ -66,6 +69,7 @@ def timestamp_checked
     end
 
     def fire_callback(files)
+      files = Array(files)
       relativize_path_names(files) if options[:relative_paths]
       timestamp_checked
       @callback.call(files) unless files.empty?

lib/rspactor/listener/inotify.rb

@@ -0,0 +1,26 @@
+require 'rb-inotify'
+
+module RSpactor
+  class Listener
+    def start(directories)
+      @dirs = Array(directories)
+      @notifier = INotify::Notifier.new
+      watch_proc = lambda { |event| fire_callback(event.absolute_name) }
+      @dirs.each do |dir|
+        notifier.watch(dir, :modify, :moved_to, :create, :recursive, &watch_proc)
+      end
+      return self
+    end
+
+    def run
+      raise ArgumentError, "no callback given" unless @callback
+      @notifier.run
+    rescue Interrupt
+      stop
+    end
+
+    def stop
+      @notifier.stop if @notifier
+    end
+  end
+end