Class: Backup::Compressor::Lzma

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

Constant Summary

Constants included from Backup::CLI::Helpers

Backup::CLI::Helpers::UTILITY

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from Backup::Configuration::Helpers

#clear_defaults!, #load_defaults!

Methods included from Backup::CLI::Helpers

#command_name, #raise_if_command_failed!, #run, #utility

Constructor Details

#initialize(&block) ⇒ Lzma

Creates a new instance of Backup::Compressor::Lzma and configures it to either compress faster or better Lzma 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/lzma.rb', line 23

def initialize(&block)
  super

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

  instance_eval(&block) if block_given?
end

Instance Attribute Details

#best ⇒ Object

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



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

def best
  @best
end

#fast ⇒ Object

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



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

def fast
  @fast
end

Instance Method Details

#compress_with {|"#{ utility(:lzma) }#{ options }", '.lzma'| ... } ⇒ Object

Yields to the block the compressor command with options and it’s filename extension.

Yields:

  • ("#{ utility(:lzma) }#{ options }", '.lzma') 


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# File 'lib/backup/compressor/lzma.rb', line 35

def compress_with
  log!
  yield "#{ utility(:lzma) }#{ options }", '.lzma'
end