38 lines
949 B
Ruby
38 lines
949 B
Ruby
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module RuboCop
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module Cop
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# This cop prevents usage of the `git` and `github` arguments to `gem` in a
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# `Gemfile` in order to avoid additional points of failure beyond
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# rubygems.org.
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class GemFetcher < RuboCop::Cop::Cop
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MSG = 'Do not use gems from git repositories, only use gems from RubyGems.'.freeze
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GIT_KEYS = [:git, :github].freeze
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def on_send(node)
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return unless gemfile?(node)
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func_name = node.children[1]
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return unless func_name == :gem
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node.children.last.each_node(:pair) do |pair|
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key_name = pair.children[0].children[0].to_sym
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if GIT_KEYS.include?(key_name)
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add_offense(node, pair.source_range, MSG)
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end
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end
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end
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private
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def gemfile?(node)
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node
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.location
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.expression
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.source_buffer
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.name
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.end_with?("Gemfile")
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end
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end
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end
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end
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