lib/backup/compressor/bzip2.rb
module Backup
module Compressor
class Bzip2 < Base
##
# Specify the level of compression to use.
#
# Values should be a single digit from 1 to 9.
# Note that setting the level to either extreme may or may not
# give the desired result. Be sure to check the documentation
# for the compressor being used.
#
# The default `level` is 9.
attr_accessor :level
##
# Creates a new instance of Backup::Compressor::Bzip2
def initialize(&block)
load_defaults!
@level ||= false
instance_eval(&block) if block_given?
@cmd = "#{utility(:bzip2)}#{options}"
@ext = ".bz2"
end
private
def options
" -#{@level}" if @level
end
end
end
end