# frozen_string_literal: true
##
# The primary source of gems is a file on disk, including all usages
# internal to rubygems.
#
# This is a private class, do not depend on it directly. Instead, pass a path
# object to `Gem::Package.new`.
class Gem::Package::FileSource < Gem::Package::Source # :nodoc: all
attr_reader :path
def initialize(path)
@path = path
end
def start
@start ||= File.read path, 20
end
def present?
File.exist? path
end
def with_write_io(&block)
File.open path, "wb", &block
end
def with_read_io(&block)
File.open path, "rb", &block
end
end
