Class: Change

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

Instance Method Summary collapse

Constructor Details

#initialize(root) ⇒ Change

Returns a new instance of Change.



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# File 'lib/change.rb', line 7

def initialize(root)
  @root = File.expand_path(root)
end

Instance Method Details

#d(reload = false) ⇒ Object 



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# File 'lib/change.rb', line 20

def d(reload=false)
  if @d && !reload
    @d
  else
    paths = Dir.chdir(@root) { Dir["**/*"] }
    add = paths - states.keys
    rem = states.keys - paths
    hashes = murmur_hashes(paths)

    mod = paths.inject([]) do |array, path|
      hash = hashes[path]
      size = Dir.chdir(@root) { File.size(path) }
      
      if states[path] && size != states[path][:size]
        array << path
      elsif states[path] && hash != states[path][:hash]
        array << path
      end

      states[path] ||= {}
      states[path][:hash] = hash
      states[path][:size] = size
      
      array
    end

    mod -= add
    rem.each { |path| states.delete(path) }

    write!

    @d = { :add => add, :mod => mod, :rem => rem }
  end
end

#d?(path) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/change.rb', line 11

def d?(path)
  changed = @d.values.flatten
  if @session && @last_deps && @last_deps.include?(path)
    @last_deps.any? { |p| changed.include?(p) }
  else
    changed.include?(path)
  end
end

#d_ ⇒ Object 



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# File 'lib/change.rb', line 55

def d_
  @last_session
end

#r(path) ⇒ Object 



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# File 'lib/change.rb', line 59

def r(path)
  if @session
    deps[@session].push(path)
    deps[@session].uniq!
    write!
  end
end

#s(id) ⇒ Object 



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# File 'lib/change.rb', line 67

def s(id)
  d(true)

  if @session && @session != id
    @last_session = sessions[@session] = d
    write!
  end

  @session = id
  @last_deps = @session ? deps[@session] : nil
  deps[@session] = [] if @session
end