Monday, September 30, 2013

bundlerを使ったgemの作り方、公開方法

Rubyのgemパッケージを作成する手順について。bundlerにgem作成を助ける機能がいくつかあるので利用する。

ひな形の作成

bundle gemでひな形を生成する。

$ bundle gem mylib

gemspecは各gemごとに適当に修正する。ひな形を見ればすぐに内容はわかる。

依存ライブラリ

依存ライブラリはGemfileではなくgemspecファイルに記述して、Gemfileからはgemspecを参照するだけにする。

Gemfile

source 'https://rubygems.org'

gemspec

mylib.gemspec

Gem::Specification.new do |spec|
  ...
  spec.add_runtime_dependency "hashie"
  spec.add_runtime_dependency "json"
  spec.add_development_dependency "bundler"
  spec.add_development_dependency "rake"
end

ビルド

gem buildコマンドでビルド。

$ gem build mylib.gemspec

bundleでひな形を作っている場合は、rake buildでpkgフォルダにgemパッケージが作成される。

$ rake build

公開

gem pushコマンドで公開。このとき、rubygems.orgのアカウントが必要。

$ gem push mylib-x.x.x.gem

同様にbundleでひな形を作っている場合は、rake releaseリリースできる

$ rake release

1 comment:

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