Module: GitMedia::FilterClean

Defined in:
lib/git-media/filter-clean.rb

Class Method Summary collapse

Class Method Details

.run! ⇒ Object 



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# File 'lib/git-media/filter-clean.rb', line 8

def self.run!
  # determine and initialize our media buffer directory
  media_buffer = GitMedia.get_media_buffer

  hashfunc = Digest::SHA1.new
  start = Time.now

  # TODO: read first 41 bytes and see if this is a stub
  
  # read in buffered chunks of the data
  #  calculating the SHA and copying to a tempfile
  tempfile = Tempfile.new('media')
  while data = STDIN.read(4096)
    hashfunc.update(data)
    tempfile.write(data)
  end
  tempfile.close

  # calculate and print the SHA of the data
  STDOUT.print hx = hashfunc.hexdigest 
  STDOUT.binmode
  STDOUT.write("\n")

  # move the tempfile to our media buffer area
  media_file = File.join(media_buffer, hx)
  FileUtils.mv(tempfile.path, media_file)

  elapsed = Time.now - start
  STDERR.puts('Saving media : ' + hx + ' : ' + elapsed.to_s)
end