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Versions: 21
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Contents
require 'digest'
module Ridley::Chef
# @author Jamie Winsor <reset@riotgames.com>
#
# Borrowed and modified from: {https://github.com/opscode/chef/blob/11.4.0/lib/chef/digester.rb}
class Digester
class << self
def instance
@instance ||= new
end
def checksum_for_file(*args)
instance.checksum_for_file(*args)
end
def md5_checksum_for_file(*args)
instance.generate_md5_checksum_for_file(*args)
end
end
def validate_checksum(*args)
self.class.validate_checksum(*args)
end
def checksum_for_file(file)
generate_checksum(file)
end
def generate_checksum(file)
checksum_file(file, Digest::SHA256.new)
end
def generate_md5_checksum_for_file(file)
checksum_file(file, Digest::MD5.new)
end
def generate_md5_checksum(io)
checksum_io(io, Digest::MD5.new)
end
private
def checksum_file(file, digest)
File.open(file, 'rb') { |f| checksum_io(f, digest) }
end
def checksum_io(io, digest)
while chunk = io.read(1024 * 8)
digest.update(chunk)
end
digest.hexdigest
end
end
end
Version data entries
21 entries across 21 versions & 1 rubygems