Class: Raz::Restorer

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(source_path) ⇒ Restorer

Returns a new instance of Restorer.

Parameters:

  • source_path (String) 


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# File 'lib/raz/restorer.rb', line 18

def initialize(source_path)
  @source_path = source_path
end

Instance Attribute Details

#source_path ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/raz/restorer.rb', line 14

def source_path
  @source_path
end

Instance Method Details

#restore ⇒ Object 



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# File 'lib/raz/restorer.rb', line 22

def restore
  # load saved information from YAML
  @info = YAML.load(File.read(File.join(@source_path, BACKUP_INFO_BASE_PATH)))
  @orig_home_path = @info[:env]['HOME']

  # load config file
  config = ConfigFile.new(backup_config_file_path(@source_path))

  # run before procs
  (config.procs[:before_restore] || []).each do |proc|
    instance_eval &proc
  end

  # restore all files
  @info[:copied_paths].each do |src|
    dest = destination_path_from_original(src)
    src = File.join(@source_path, BACKUP_DATA_BASE_PATH, src)

    if File.directory?(dest)
      FileOperations.dir_entries(src).each do |item|
        puts "Restoring file to #{File.join(dest, item)}".green
        FileOperations.copy_item(File.join(src, item), dest)
      end
    else
      FileUtils.rmtree(dest) if File.exist?(dest)
      FileUtils.mkdir_p(File.dirname(dest))

      puts "Restoring item to #{dest}".green
      FileOperations.copy_item(src, dest)
    end
  end

  # restore config file to previous location
  orig_config_path = destination_path_from_original(@info[:orig_config_path])
  FileUtils.mkdir_p(File.dirname(orig_config_path))
  FileOperations.copy_item(config.path, orig_config_path)

  # run after procs
  (config.procs[:after_restore] || []).each do |proc|
    instance_eval &proc
  end
end