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# frozen_string_literal: true
require 'digest/md5'
require_relative '../../puppet/network/format_support'
module Puppet::ModuleTool
# = Checksums
#
# This class provides methods for generating checksums for data and adding
# them to +Metadata+.
class Checksums
include Puppet::Network::FormatSupport
include Enumerable
# Instantiate object with string +path+ to create checksums from.
def initialize(path)
@path = Pathname.new(path)
end
# Return checksum for the +Pathname+.
def checksum(pathname)
Digest::MD5.hexdigest(Puppet::FileSystem.binread(pathname))
end
# Return checksums for object's +Pathname+, generate if it's needed.
# Result is a hash of path strings to checksum strings.
def data
unless @data
@data = {}
@path.find do |descendant|
if Puppet::ModuleTool.artifact?(descendant)
Find.prune
elsif descendant.file?
path = descendant.relative_path_from(@path)
@data[path.to_s] = checksum(descendant)
end
end
end
@data
end
alias :to_data_hash :data
alias :to_hash :data
# TODO: Why?
def each(&block)
data.each(&block)
end
end
end
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