Stephen Checkoway 6167c09569 Run hooks in priority order. ...

Low priority hooks are being run before higher priority hooks. This is easy to
demonstrate with the following plugin:

    1.upto(10).each do |n|
      Jekyll::Hooks.register :site, :after_reset, priority: Jekyll::Hooks::PRIORITY_MAP[:low] do
        puts "Low #{n}"
      end
      Jekyll::Hooks.register :site, :after_reset, priority: Jekyll::Hooks::PRIORITY_MAP[:normal] do
        puts "Normal #{n}"
      end
      Jekyll::Hooks.register :site, :after_reset, priority: Jekyll::Hooks::PRIORITY_MAP[:high] do
        puts "High #{n}"
      end
    end

Sorting by the negative of the priority and then by the order the hook was
added does the right thing.

2016-08-06 20:56:34 -05:00

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