Yields a TarWriter for the
data.tar.gz inside a gem-format tar file. The yielded TarWriter has been extended with a
#metadata= method for attaching a YAML format Gem::Specification which will be written
by add_metadata.
# File lib/rubygems/package/tar_output.rb, line 61
def add_gem_contents
@tar_writer.add_file "data.tar.gz", 0644 do |inner|
sio = @signer ? StringIO.new : nil
Zlib::GzipWriter.wrap(sio || inner) do |os|
Gem::Package::TarWriter.new os do |data_tar_writer|
# :stopdoc:
def data_tar_writer.metadata() @metadata end
def data_tar_writer.metadata=(metadata) @metadata = metadata end
# :startdoc:
yield data_tar_writer
@metadata = data_tar_writer.metadata
end
end
# if we have a signing key, then sign the data
# digest and return the signature
if @signer then
require 'rubygems/security'
digest = Gem::Security::OPT[:dgst_algo].digest sio.string
@data_signature = @signer.sign digest
inner.write sio.string
end
end
self
end