Add bin and edit workflow

bin/gems/rb-fsevent-0.11.2/lib/rb-fsevent/fsevent.rb

@@ -0,0 +1,157 @@
+# -*- encoding: utf-8 -*-
+
+require 'otnetstring'
+
+class FSEvent
+  class << self
+    class_eval <<-END
+      def root_path
+        "#{File.expand_path(File.join(File.dirname(__FILE__), '..', '..'))}"
+      end
+    END
+    class_eval <<-END
+      def watcher_path
+        "#{File.join(FSEvent.root_path, 'bin', 'fsevent_watch')}"
+      end
+    END
+  end
+
+  attr_reader :paths, :callback
+
+  def initialize args = nil, &block
+    watch(args, &block) unless args.nil?
+  end
+
+  def watch(watch_paths, options=nil, &block)
+    @paths      = watch_paths.kind_of?(Array) ? watch_paths : [watch_paths]
+    @callback   = block
+
+    if options.kind_of?(Hash)
+      @options  = parse_options(options)
+    elsif options.kind_of?(Array)
+      @options  = options
+    else
+      @options  = []
+    end
+  end
+
+  def run
+    @pipe    = open_pipe
+    @running = true
+
+    # please note the use of IO::select() here, as it is used specifically to
+    # preserve correct signal handling behavior in ruby 1.8.
+    while @running && IO::select([@pipe], nil, nil, nil)
+      # managing the IO ourselves allows us to be careful and never pass an
+      # incomplete message to OTNetstring.parse()
+      message = String.new
+      length = String.new
+      byte = nil
+
+      reading_length = true
+      found_length = false
+
+      while reading_length
+        byte = @pipe.read_nonblock(1)
+        if "#{byte}" =~ /\d/
+          length << byte
+          found_length = true
+        elsif found_length == false
+          next
+        else
+          reading_length = false
+        end
+      end
+      length = Integer(length, 10)
+      type = byte
+
+      message << "#{length}#{type}"
+      message << @pipe.read(length)
+
+      decoded = OTNetstring.parse(message)
+      modified_paths = decoded["events"].map {|event| event["path"]}
+      # passing the full info as a second block param feels icky, but such is
+      # the trap of backward compatibility.
+      case callback.arity
+        when 1
+          callback.call(modified_paths)
+        when 2
+          callback.call(modified_paths, decoded)
+      end
+    end
+  rescue Interrupt, IOError, Errno::EBADF
+  ensure
+    stop
+  end
+
+  def stop
+    unless @pipe.nil?
+      Process.kill('KILL', @pipe.pid) if process_running?(@pipe.pid)
+      @pipe.close
+    end
+  rescue IOError, Errno::EBADF
+  ensure
+    @running = false
+  end
+
+  def process_running?(pid)
+    begin
+      Process.kill(0, pid)
+      true
+    rescue Errno::ESRCH
+      false
+    end
+  end
+
+  if RUBY_VERSION < '1.9'
+    def open_pipe
+      IO.popen("'#{self.class.watcher_path}' #{options_string} #{shellescaped_paths}")
+    end
+
+    private
+
+    def options_string
+      @options.join(' ')
+    end
+
+    def shellescaped_paths
+      @paths.map {|path| shellescape(path)}.join(' ')
+    end
+
+    # for Ruby 1.8.6  support
+    def shellescape(str)
+      # An empty argument will be skipped, so return empty quotes.
+      return "''" if str.empty?
+
+      str = str.dup
+
+      # Process as a single byte sequence because not all shell
+      # implementations are multibyte aware.
+      str.gsub!(/([^A-Za-z0-9_\-.,:\/@\n])/n, "\\\\\\1")
+
+      # A LF cannot be escaped with a backslash because a backslash + LF
+      # combo is regarded as line continuation and simply ignored.
+      str.gsub!(/\n/, "'\n'")
+
+      return str
+    end
+  else
+    def open_pipe
+      IO.popen([self.class.watcher_path] + @options + @paths)
+    end
+  end
+
+  private
+
+  def parse_options(options={})
+    opts = ['--format=otnetstring']
+    opts.concat(['--since-when', options[:since_when]]) if options[:since_when]
+    opts.concat(['--latency', options[:latency]]) if options[:latency]
+    opts.push('--no-defer') if options[:no_defer]
+    opts.push('--watch-root') if options[:watch_root]
+    opts.push('--file-events') if options[:file_events]
+    # ruby 1.9's IO.popen(array-of-stuff) syntax requires all items to be strings
+    opts.map {|opt| "#{opt}"}
+  end
+
+end

bin/gems/rb-fsevent-0.11.2/lib/rb-fsevent/version.rb

@@ -0,0 +1,5 @@
+# -*- encoding: utf-8 -*-
+
+class FSEvent
+  VERSION = '0.11.2'
+end