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ruby--ruby/tool/gem-unpack.rb
2022-04-07 09:47:10 +09:00

20 lines
543 B
Ruby

require 'fileutils'
require 'rubygems'
require 'rubygems/package'
# This library is used by "make extract-gems" to
# unpack bundled gem files.
def Gem.unpack(file, dir = nil, spec_dir = nil)
pkg = Gem::Package.new(file)
spec = pkg.spec
target = spec.full_name
target = File.join(dir, target) if dir
pkg.extract_files target
FileUtils.mkdir_p(spec_dir ||= target)
spec_file = File.join(spec_dir, "#{spec.name}-#{spec.version}.gemspec")
open(spec_file, 'wb') do |f|
f.print spec.to_ruby
end
puts "Unpacked #{file}"
end