name = File.basename(__FILE__, “.gemspec”) version = [“lib”, Array.new(name.count(“-”)+1, “..”).join(“/”)].find do |dir|

break File.foreach(File.join(__dir__, dir, "#{name.tr('-', '/')}.rb")) do |line|
  /^\s*LOADER_VERSION\s*=\s*"(.*)"/ =~ line and break $1
end rescue nil

end

Gem::Specification.new do |spec|

spec.name          = name
spec.version       = version
spec.authors       = ["Aaron Patterson", "SHIBATA Hiroshi"]
spec.email         = ["aaron@tenderlovemaking.com", "hsbt@ruby-lang.org"]

spec.summary       = "YAML Ain't Markup Language"
spec.description   = spec.summary
spec.homepage      = "https://github.com/ruby/yaml"
spec.licenses      = ["Ruby", "BSD-2-Clause"]

spec.metadata["homepage_uri"] = spec.homepage
spec.metadata["source_code_uri"] = spec.homepage

# Specify which files should be added to the gem when it is released.
# The `git ls-files -z` loads the files in the RubyGem that have been added into git.
spec.files         = Dir.chdir(File.expand_path('..', __FILE__)) do
  `git ls-files -z 2>#{IO::NULL}`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)/}) }
end
spec.bindir        = "exe"
spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
spec.require_paths = ["lib"]

end