Class: Cpio

Inherits:
CliFuncs show all
Defined in:
lib/cli_funcs_cpio.rb

Instance Attribute Summary collapse

Attributes inherited from CliFuncs

#base_dir, #flags_all, #ignore_bad_exit, #output

Instance Method Summary collapse

Methods inherited from CliFuncs

#clear_values, #flag_add, #flags_run, #run_and_capture, #set_dirs

Constructor Details

#initialize ⇒ Cpio

Returns a new instance of Cpio.



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

def initialize
  super
  @cpio_data
  @utility = CliUtils.new("cpio").utility_path
  @data_dir = SYSTEM_CONFIG["data_dir"]
  @extract_dir = ""
  set_extract_flags
end

Instance Attribute Details

#cpio_data ⇒ Object

Returns the value of attribute cpio_data.



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# File 'lib/cli_funcs_cpio.rb', line 5

def cpio_data
  @cpio_data
end

#data_dir ⇒ Object (readonly)

Returns the value of attribute data_dir.



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# File 'lib/cli_funcs_cpio.rb', line 6

def data_dir
  @data_dir
end

#extract_dir ⇒ Object

Returns the value of attribute extract_dir.



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# File 'lib/cli_funcs_cpio.rb', line 5

def extract_dir
  @extract_dir
end

#rpm_file ⇒ Object

Returns the value of attribute rpm_file.



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# File 'lib/cli_funcs_cpio.rb', line 5

def rpm_file
  @rpm_file
end

Instance Method Details

#cpio ⇒ Object 



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# File 'lib/cli_funcs_cpio.rb', line 17

def cpio
  begin
    FileUtils.mkdir_p @extract_dir unless Dir.exists? @extract_dir
    opts = { :chdir => @extract_dir, :err => "/dev/null" }
    io = IO.popen([@utility, flags_run].flatten, mode='r+', opts)
    io.puts @cpio_data
    io.close
    raise "Cpio data was zero in size, nothing extracted." if @cpio_data.length == 0
    puts [@utility, flags_run, opts].flatten.inspect if DEBUG
  rescue Exception => e
    puts "Tried to run #{@utility} #{@rpm_file} #{opts.inspect} during Cpio.cpio, received exception: #{e}"
  end
end

#flags_extract_files ⇒ Object 



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# File 'lib/cli_funcs_cpio.rb', line 35

def flags_extract_files
  flag_add("-idm")
end

#set_extract_flags ⇒ Object 



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# File 'lib/cli_funcs_cpio.rb', line 31

def set_extract_flags
  flags_extract_files
end