Class: Dflat::Version::Full

Inherits:
Dir
  • Object
show all
Defined in:
lib/dflat/version.rb

Constant Summary collapse

DATA_DIR = 
'full'

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Dir

load, #manifest, #manifest!, #version

Class Method Details

.mkdir(path, integer = 0777, args = {}) ⇒ Object 



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# File 'lib/dflat/version.rb', line 49

def self.mkdir path, integer = 0777, args = {}
  super path, integer
	d = Full.new path
	Dnatural::Dir.mkdir File.join(d.path, DATA_DIR)
  d
end

Instance Method Details

#add(src, dest, options = {}) ⇒ Object 



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# File 'lib/dflat/version.rb', line 60

def add src, dest, options = {}
  file = FileUtils.cp src, File.join(data_path, dest), options

  manifest!
  lock
  m = manifest.add dest, :base => data_path
  File.open(File.join(path, 'manifest.txt'), 'w') do |f|
    f.write(m.to_s)
  end
  
  unlock
  File.new File.join(data_path, dest)
end

#list ⇒ Object 



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# File 'lib/dflat/version.rb', line 56

def list
  manifest.entries.map { |e| e.sourcefileorurl }
end

#remove(list, options = {}) ⇒ Object 



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# File 'lib/dflat/version.rb', line 74

def remove list, options = {}
  list = [list] if list.instance_of? String
  FileUtils.rm list.map { |x| File.join(data_path, x) }, options

  m = manifest!
  lock
  list.each do |l|
    m = m.remove l
  end

  File.open(File.join(path, 'manifest.txt'), 'w') do |f|
    f.write(m.to_s)
  end
  unlock
end

#to_delta(version) ⇒ Object 



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# File 'lib/dflat/version.rb', line 90

def to_delta version
	redd = ReDD::Dir.mkdir File.join(self.path, Delta::DATA_DIR)
  delta = Delta.new self.path

	old = self.manifest.to_hash
	new = version.manifest.to_hash

	changeset = {:delete => [], :add => []}

	new.select do |filename, entry|
    changeset[:delete] << filename unless old[filename] and old[filename] == entry[filename]
	end

	old.select do |filename, entry|
    changeset[:add] << filename unless new[filename] and old[filename] == entry[filename]
	end
	
  changeset[:delete].each do |filename|
	  delta.remove filename
	end

  changeset[:add].each do |filename|
	  delta.add File.join(data_path, filename), filename
	end

	FileUtils.rm_rf data_path
	return delta
end