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#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++
require 'rubygems/user_interaction'
##
# The Builder class processes RubyGem specification files
# to produce a .gem file.
class Gem::Builder
include Gem::UserInteraction
##
# Constructs a builder instance for the provided specification
#
# spec:: [Gem::Specification] The specification instance
def initialize(spec)
require "yaml"
require "rubygems/package"
require "rubygems/security"
@spec = spec
end
##
# Builds the gem from the specification. Returns the name of the file
# written.
def build
@spec.mark_version
@spec.validate
@signer = sign
write_package
say success if Gem.configuration.verbose
@spec.file_name
end
def success
<<-EOM
Successfully built RubyGem
Name: #{@spec.name}
Version: #{@spec.version}
File: #{@spec.file_name}
EOM
end
private
##
# If the signing key was specified, then load the file, and swap to the
# public key (TODO: we should probably just omit the signing key in favor of
# the signing certificate, but that's for the future, also the signature
# algorithm should be configurable)
def sign
signer = nil
if @spec.respond_to?(:signing_key) and @spec.signing_key then
signer = Gem::Security::Signer.new @spec.signing_key, @spec.cert_chain
@spec.signing_key = nil
@spec.cert_chain = signer.cert_chain.map { |cert| cert.to_s }
end
signer
end
def write_package
open @spec.file_name, 'wb' do |gem_io|
Gem::Package.open gem_io, 'w', @signer do |pkg|
pkg.metadata = @spec.to_yaml
@spec.files.each do |file|
next if File.directory? file
next if file == @spec.file_name # Don't add gem onto itself
stat = File.stat file
mode = stat.mode & 0777
size = stat.size
pkg.add_file_simple file, mode, size do |tar_io|
tar_io.write open(file, "rb") { |f| f.read }
end
end
end
end
end
end
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