如何快速初始化ruby项目开发环境？ [英] How to quickly initialize ruby project development environment?

问题描述

如何以仅安装了ruby，rake和rubygems的用户的方式指定gem依赖项，可以发出单个rake命令来安装所需的所有依赖项？当使用GemBuildTask构建gem时，是否可以使用相同的依赖关系规范？

How to specify gem dependencies in a way that user with only ruby, rake and rubygems installed could issue a single rake command to install all the dependencies required? Is it possible to use the same dependency specification when building gem with GemBuildTask?

推荐答案

设置rake任务实际上非常简单安装了一堆宝石：

It's actually pretty easy to set up a rake task that installs a bunch of gems:

task :install_gems do
  require "rubygems"
  require "rubygems/dependency_installer"

  installer = Gem::DependencyInstaller.new

  [["rack"], ["merb-core", "1.0.12"]].each do |args|
    installer.install(*args)
  end
end

当然，你可以将它提取到一个方法中，并写一个更漂亮的方式来指定你的依赖关系，但这应该很好。

Of course, you could extract this into a method and write a prettier way to specify your dependencies, but this should work great.

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