125 lines
4.2 KiB
Ruby
125 lines
4.2 KiB
Ruby
# frozen_string_literal: true
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require "rubocops/extend/formula"
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require "extend/string"
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module RuboCop
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module Cop
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module FormulaAudit
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# This cop audits patches in Formulae.
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class Patches < FormulaCop
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def audit_formula(node, _class_node, _parent_class_node, body)
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@full_source_content = source_buffer(node).source
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external_patches = find_all_blocks(body, :patch)
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external_patches.each do |patch_block|
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url_node = find_every_method_call_by_name(patch_block, :url).first
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url_string = parameters(url_node).first
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patch_problems(url_string)
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end
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inline_patches = find_every_method_call_by_name(body, :patch)
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inline_patches.each { |patch| inline_patch_problems(patch) }
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if inline_patches.empty? && patch_end?
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offending_patch_end_node(node)
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problem "patch is missing 'DATA'"
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end
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patches_node = find_method_def(body, :patches)
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return if patches_node.nil?
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legacy_patches = find_strings(patches_node)
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problem "Use the patch DSL instead of defining a 'patches' method"
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legacy_patches.each { |p| patch_problems(p) }
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end
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private
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def patch_problems(patch)
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patch_url = string_content(patch)
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gh_patch_param_pattern = %r{https?://github\.com/.+/.+/(?:commit|pull)/[a-fA-F0-9]*.(?:patch|diff)}
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if regex_match_group(patch, gh_patch_param_pattern)
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unless patch_url.match?(/\?full_index=\w+$/)
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problem <<~EOS
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GitHub patches should use the full_index parameter:
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#{patch_url}?full_index=1
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EOS
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end
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end
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gh_patch_patterns = Regexp.union([%r{/raw\.github\.com/},
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%r{/raw\.githubusercontent\.com/},
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%r{gist\.github\.com/raw},
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%r{gist\.github\.com/.+/raw},
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%r{gist\.githubusercontent\.com/.+/raw}])
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if regex_match_group(patch, gh_patch_patterns)
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unless patch_url.match?(%r{/[a-fA-F0-9]{6,40}/})
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problem <<~EOS.chomp
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GitHub/Gist patches should specify a revision:
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#{patch_url}
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EOS
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end
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end
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gh_patch_diff_pattern =
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%r{https?://patch-diff\.githubusercontent\.com/raw/(.+)/(.+)/pull/(.+)\.(?:diff|patch)}
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if match_obj = regex_match_group(patch, gh_patch_diff_pattern)
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problem <<~EOS
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use GitHub pull request URLs:
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https://github.com/#{match_obj[1]}/#{match_obj[2]}/pull/#{match_obj[3]}.patch?full_index=1
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Rather than patch-diff:
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#{patch_url}
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EOS
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end
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if regex_match_group(patch, %r{macports/trunk})
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problem <<~EOS.chomp
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MacPorts patches should specify a revision instead of trunk:
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#{patch_url}
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EOS
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end
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if regex_match_group(patch, %r{^http://trac\.macports\.org})
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problem <<~EOS.chomp
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Patches from MacPorts Trac should be https://, not http:
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#{patch_url}
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EOS
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end
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return unless regex_match_group(patch, %r{^http://bugs\.debian\.org})
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problem <<~EOS.chomp
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Patches from Debian should be https://, not http:
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#{patch_url}
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EOS
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end
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def inline_patch_problems(patch)
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return unless patch_data?(patch) && !patch_end?
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offending_node(patch)
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problem "patch is missing '__END__'"
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end
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def_node_search :patch_data?, <<~AST
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(send nil? :patch (:sym :DATA))
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AST
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def patch_end?
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/^__END__$/.match?(@full_source_content)
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end
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def offending_patch_end_node(node)
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@offensive_node = node
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@source_buf = source_buffer(node)
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@line_no = node.loc.last_line + 1
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@column = 0
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@length = 7 # "__END__".size
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@offense_source_range = source_range(@source_buf, @line_no, @column, @length)
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end
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end
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end
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end
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end
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