home フォルダのバックアップ

linuxmint_backup.rb

require 'fileutils'

class String
  def cut
    /.+tomoki\/(.+)$/.match(self)[1]
  end
end

def get_file_names(f)
  dirs = Dir.glob("*")
  dirs += Dir.glob(".*") - [".", ".."] if f
  dirs
end

#ファイル名中にひとつでも隠しファイルが入れば @color = true
def handle_color(fname)
  color_set = ->{
    @color = if /^\./.match(fname)
      print "\e[36m"
      true
    else
      false
    end
  }
  color = false
  color = color_set.() unless @color
  yield
  if color
    print "\e[97m"
    @color = false
  end
end

def handle_directory(send, receive, f)
  Dir.chdir(send)
  get_file_names(f).each do |fname|
    handle_color(fname) do
      backup(File.join(send, fname), File.join(receive, fname), f)
    end
  end
  Dir.chdir(receive)
  get_file_names(f).each do |fname|
    handle_color(fname) do
      backup(File.join(send, fname), File.join(receive, fname), f)
    end
  end
end

def backup(send, receive, f)
  send_exist    = FileTest.exist?(send)
  receive_exist = FileTest.exist?(receive)
  if !send_exist and receive_exist
    FileUtils.rm_rf(receive)
    puts "delete: #{receive.cut}"
  elsif send_exist and !receive_exist
    FileUtils.cp_r(send, receive)
    puts "copy: #{receive.cut}"
  elsif send_exist and receive_exist
    s = File.stat(send   ).mtime
    r = File.stat(receive).mtime
    if s > r or (@not_kakushi_at_top and @color)
      if FileTest.directory?(send)
        handle_directory(send, receive, f)
      else
        handle_color(File.basename(send)) do
          FileUtils.cp(send, receive)
          puts "copy: #{receive.cut}"
        end
      end
    end
  else
    puts "予期しない入力です: #{send.cut}"
  end
rescue
  return
end


t = Time.now
f = true    #trueならば探索に隠しファイルも含める（隠しディレクトリの中の変更は検知できない）
@color = false

dir = ['/home/tomoki', '/media/tomoki/Transcend/Linux Mint 18 backup/tomoki']

Dir.chdir(dir[0])
get_file_names(f).each do |fname|
  send    = File.join(dir[0], fname)
  receive = File.join(dir[1], fname)
  
  handle_color(fname) do
    if FileTest.directory?(send)
      if FileTest.exist?(receive)
        @not_kakushi_at_top = /^\./.match(fname) ? false : true
        #@not_kakushi_at_top = true    #コメントアウトすると全隠しファイルを探索
        handle_directory(send, receive, f)
      else
        FileUtils.cp_r(send, receive)
        puts "copy: #{receive.cut}"
      end
    else
      backup(send, receive, f)
    end
  end
end

Dir.chdir(dir[1])
get_file_names(f).each do |fname|
  send    = File.join(dir[0], fname)
  receive = File.join(dir[1], fname)
  
  unless FileTest.exist?(send)
    handle_color(File.basename(receive)) do
      FileUtils.rm_rf(receive)
      puts "delete: #{receive.cut}"
    end
  end
end

puts "\nMail copy"
FileUtils.cp_r("/home/tomoki/.thunderbird/922vkyux.default",
      "/media/tomoki/Transcend/Linux Mint 18 backup/922vkyux.default")

printf("\nRuntime: %.3f [sec]\n", Time.now - t)