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*.gemspecで追加した依存gemのrequireをGemfileで指定する

  • Bundlerは*.gemspecで定義された依存gemを読み込むことができる
  • gemの中にはgem名とrequireするときの名前が違うものがある
  • Gemfileでrequireするときの別名を指定することができる

*.gemspecで定義した依存gemを読み込むときの別名をGemfileで指定することができます。

*.gemspec
Gem::Specification.new do |s|
  # ...
  s.add_development_dependency "activemodel"
  # ...
end
Gemfile
source :rubygems
gemspec # load from *.gemspec

group :development do
  # *.gemspecでdevelopment dependencyとして定義されたgemは
  # Bundlerの:development groupに属する
  gem 'activemodel', require: 'active_model'
end

*.gemspecで適切に依存gemをグループ分けするとたいへんべんりでよいです。

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15
Help us understand the problem. What are the problem?