\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5×\D6?\BDê\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2€ \00 $\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4ê\E9\F2á\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/chef.upgrade/embedded/lib/ruby/gems/2.3.0/gems/byebug-9.0.6/lib/byebug/

Viewing File: history.rb

begin
  require 'readline'
rescue LoadError
  warn <<-EOW
    Sorry, you can't use byebug without Readline. To solve this, you need to
    rebuild Ruby with Readline support. If using Ubuntu, try `sudo apt-get
    install libreadline-dev` and then reinstall your Ruby.
  EOW

  raise
end

module Byebug
  #
  # Handles byebug's history of commands.
  #
  class History
    attr_accessor :size

    def initialize
      self.size = 0
    end

    #
    # Array holding the list of commands in history
    #
    def buffer
      Readline::HISTORY.to_a
    end

    #
    # Restores history from disk.
    #
    def restore
      return unless File.exist?(Setting[:histfile])

      File.readlines(Setting[:histfile]).reverse_each { |l| push(l.chomp) }
    end

    #
    # Saves history to disk.
    #
    def save
      n_cmds = Setting[:histsize] > size ? size : Setting[:histsize]

      open(Setting[:histfile], 'w') do |file|
        n_cmds.times { file.puts(pop) }
      end

      clear
    end

    #
    # Discards history.
    #
    def clear
      size.times { pop }
    end

    #
    # Adds a new command to Readline's history.
    #
    def push(cmd)
      return if ignore?(cmd)

      self.size += 1
      Readline::HISTORY.push(cmd)
    end

    #
    # Removes a command from Readline's history.
    #
    def pop
      self.size -= 1
      Readline::HISTORY.pop
    end

    #
    # Prints the requested numbers of history entries.
    #
    def to_s(n_cmds)
      show_size = n_cmds ? specific_max_size(n_cmds) : default_max_size

      commands = buffer.last(show_size)

      last_ids(show_size).zip(commands).map do |l|
        format('%5d  %s', l[0], l[1])
      end.join("\n") + "\n"
    end

    #
    # Array of ids of the last n commands.
    #
    def last_ids(n)
      (1 + size - n..size).to_a
    end

    #
    # Max number of commands to be displayed when no size has been specified.
    #
    # Never more than Setting[:histsize].
    #
    def default_max_size
      [Setting[:histsize], self.size].min
    end

    #
    # Max number of commands to be displayed when a size has been specified.
    #
    # The only bound here is not showing more items than available.
    #
    def specific_max_size(number)
      [self.size, number].min
    end

    #
    # Whether a specific command should not be stored in history.
    #
    # For now, empty lines and consecutive duplicates.
    #
    def ignore?(buf)
      return true if /^\s*$/ =~ buf
      return false if Readline::HISTORY.empty?

      buffer[Readline::HISTORY.length - 1] == buf
    end
  end
end