Class: S3Sync::LocalDirectory

Inherits:
Object
  • Object
show all
Defined in:
lib/s3sync/sync.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source) ⇒ LocalDirectory

Returns a new instance of LocalDirectory.



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# File 'lib/s3sync/sync.rb', line 113

def initialize source
  @source = source
end

Instance Attribute Details

#source ⇒ Object

Returns the value of attribute source.



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# File 'lib/s3sync/sync.rb', line 111

def source
  @source
end

Instance Method Details

#list_files ⇒ Object 



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# File 'lib/s3sync/sync.rb', line 117

def list_files
  nodes = {}

  # Create the directory if it does not exist
  if not File.exists?(@source)
    FileUtils.mkdir_p(@source)
    return nodes
  end

  # The path declared in `@source` exists, yay! Now we need read
  # the whole directory and add all the readable files to the
  # `nodes` hash.
  Find.find(@source) do |file|
    begin
      st = File.stat file        # Might fail
      raise if not st.readable?  # We're not interested in things we can't read
    rescue
      $stderr.puts "WARNING: Skipping unreadable file #{file}"
      Find.prune
    end

    # We don't support following symlinks for now, we don't need to follow
    # folders and I don't think we care about any other thing, right?
    next unless st.file?

    # We only need the relative path here
    file_name = file.gsub(/^#{@source}\/?/, '').squeeze('/')
    small_comparator = lambda { Digest::MD5.hexdigest File.read(file) }
    node = Node.new(@source.squeeze('/'), file_name, st.size, small_comparator)
    nodes[node.path] = node
  end

  return nodes
end