Rails 4 Asset Pipeline:无论有没有指纹都可以编译 [英] Rails 4 Asset Pipeline: Compile both with and without fingerprint

问题描述

第4轨更改了对资产进行指纹识别的方式(用于清除浏览器缓存):

Rails 4 has changed the way assets are fingerprinted (for browser cache busting):

Old Strategy: application.css?12345
Rails 3.2:    application-12345.css and application.css
Rails 4.0:    application-12345.css

尽管这很合理，但是如果样式表被其他服务(在我们的示例中为Zendesk)使用，则是一个问题.这个外部站点需要Rails应用程序中的CSS，但是它不知道指纹(即摘要).

While this makes perfect sense, it's a problem if the stylesheets are used by another service (in our case Zendesk). This external site needs the CSS from the Rails app, but it doesn't know the fingerprint (aka: digest).

有没有办法编译带有或不带有指纹的所有资产?或者也许是另一种解决此问题的方法?

Is there a way to compile all assets both with and without fingerprint? Or maybe another approach to tackle this?

推荐答案

我已经编写了一个rake任务，以获取Rails 3.2的未指纹文件:

I've written a rake task to get the un-fingerprinted files à la Rails 3.2 back:

namespace :assets do
  desc "Create symlinks without cache busting digest"
  task :create_symlinks_without_digest => :environment do
    Dir.glob(Rails.root.join('public', 'assets', '**', '*')).each do |item|
      if File.file?(item) && item.match(/-[a-f0-9]{32}/)
        FileUtils.ln_s Pathname(item).basename, item.sub(/-[a-f0-9]{32}/, '')
      end
    end
  end
end

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