Class: Backup::Compressor::Bzip2

Inherits:
Base
  • Object
show all
Defined in:
lib/backup/compressor/bzip2.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#log!

Methods included from Backup::Configuration::Helpers

#clear_defaults!, #getter_methods, #load_defaults!, #setter_methods

Methods included from Backup::CLI

#mkdir, #raise_if_command_not_found!, #rm, #run, #utility

Constructor Details

#initialize(&block) ⇒ Bzip2

Creates a new instance of Backup::Compressor::Bzip2 and configures it to either compress faster or better bzip2 compresses by default with -9 (best compression) and lower block sizes don’t make things significantly faster (according to official bzip2 docs)



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# File 'lib/backup/compressor/bzip2.rb', line 23

def initialize(&block)
  load_defaults!

  @best ||= false
  @fast ||= false

  instance_eval(&block) if block_given?
end

Instance Attribute Details

#best=(value) ⇒ Object

Tells Backup::Compressor::Bzip2 to compress better (-9) rather than faster when set to true



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# File 'lib/backup/compressor/bzip2.rb', line 10

def best=(value)
  @best = value
end

#fast=(value) ⇒ Object

Tells Backup::Compressor::Bzip2 to compress faster (-1) rather than better when set to true



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# File 'lib/backup/compressor/bzip2.rb', line 15

def fast=(value)
  @fast = value
end

Instance Method Details

#perform! ⇒ Object

Performs the compression of the packages backup file



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# File 'lib/backup/compressor/bzip2.rb', line 34

def perform!
  log!
  run("#{ utility(:bzip2) } #{ options } '#{ Backup::Model.file }'")
  Backup::Model.extension += '.bz2'
end