Class: Snapper

Inherits:
Object
  • Object
show all
Defined in:
lib/snapper.rb,
lib/snapper/version.rb

Constant Summary collapse

SNAPPER_DIR = 
ENV['SNAPPER_DIR'] || "#{ENV['HOME']}/.snapper"
VERSION = 
"0.0.2"
@@instance = 
Snapper.new

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Snapper

Returns a new instance of Snapper.



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# File 'lib/snapper.rb', line 10

def initialize
  FileUtils.mkdir_p(SNAPPER_DIR) unless File.exists?(SNAPPER_DIR)
  @uuid = UUID.new
  @snapper_file = File.new("/tmp/#{@uuid.generate}.snapper", "w+")
end

Instance Attribute Details

#snapper_file ⇒ Object (readonly)

Returns the value of attribute snapper_file.



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# File 'lib/snapper.rb', line 8

def snapper_file
  @snapper_file
end

Class Method Details

.instance ⇒ Object 



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# File 'lib/snapper.rb', line 18

def self.instance
  return @@instance
end

.restore(name) ⇒ Object 



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# File 'lib/snapper.rb', line 27

def self.restore(name)
  file = File.open("#{SNAPPER_DIR}/#{name}.snapper")
  while line = file.gets
    IRB.CurrentContext.evaluate(line, 0)
  end
end

.snap(name) ⇒ Object 



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# File 'lib/snapper.rb', line 22

def self.snap(name)
  FileUtils.cp(instance.snapper_file.path, "#{SNAPPER_DIR}/#{name}.snapper")
  return true
end