132 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
			
		
		
	
	
			132 lines
		
	
	
		
			5.2 KiB
		
	
	
	
		
			Ruby
		
	
	
	
	
	
| # typed: true
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| # frozen_string_literal: true
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| 
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| require "rubocops/extend/formula_cop"
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| 
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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 `patch`es in formulae.
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|       # TODO: Many of these could be auto-corrected.
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|       class Patches < FormulaCop
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|         extend AutoCorrector
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| 
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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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| 
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|           return if body.nil?
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| 
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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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| 
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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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| 
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|           if inline_patches.empty? && patch_end?
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|             offending_patch_end_node(node)
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|             add_offense(@offense_source_range, message: "patch is missing 'DATA'")
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|           end
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| 
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|           patches_node = find_method_def(body, :patches)
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|           return if patches_node.nil?
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| 
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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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| 
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|         private
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| 
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|         def patch_problems(patch_url_node)
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|           patch_url = string_content(patch_url_node)
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| 
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|           if regex_match_group(patch_url_node, %r{https://github.com/[^/]*/[^/]*/pull})
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|             problem "Use a commit hash URL rather than an unstable pull request URL: #{patch_url}"
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|           end
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| 
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|           if regex_match_group(patch_url_node, %r{.*gitlab.*/merge_request.*})
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|             problem "Use a commit hash URL rather than an unstable merge request URL: #{patch_url}"
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|           end
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| 
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|           if regex_match_group(patch_url_node, %r{https://github.com/[^/]*/[^/]*/commit/[a-fA-F0-9]*\.diff})
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|             problem "GitHub patches should end with .patch, not .diff: #{patch_url}"
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|           end
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| 
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|           # Only .diff passes `--full-index` to `git diff` and there is no documented way
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|           # to get .patch to behave the same for GitLab.
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|           if regex_match_group(patch_url_node, %r{.*gitlab.*/commit/[a-fA-F0-9]*\.patch})
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|             problem "GitLab patches should end with .diff, not .patch: #{patch_url}"
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|           end
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| 
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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_url_node, gh_patch_param_pattern) && !patch_url.match?(/\?full_index=\w+$/)
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|             problem "GitHub patches should use the full_index parameter: #{patch_url}?full_index=1"
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|           end
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| 
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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_url_node, gh_patch_patterns) && !patch_url.match?(%r{/[a-fA-F0-9]{6,40}/})
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|             problem "GitHub/Gist patches should specify a revision: #{patch_url}"
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|           end
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| 
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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 regex_match_group(patch_url_node, gh_patch_diff_pattern)
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|             problem "Use a commit hash URL rather than patch-diff: #{patch_url}"
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|           end
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| 
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|           if regex_match_group(patch_url_node, %r{macports/trunk})
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|             problem "MacPorts patches should specify a revision instead of trunk: #{patch_url}"
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|           end
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| 
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|           if regex_match_group(patch_url_node, %r{^http://trac\.macports\.org})
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|             problem "Patches from MacPorts Trac should be https://, not http: #{patch_url}" do |corrector|
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|               correct = patch_url_node.source.gsub(%r{^http://}, "https://")
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|               corrector.replace(patch_url_node.source_range, correct)
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|             end
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|           end
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| 
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|           return unless regex_match_group(patch_url_node, %r{^http://bugs\.debian\.org})
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| 
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|           problem "Patches from Debian should be https://, not http: #{patch_url}" do |corrector|
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|             correct = patch_url_node.source.gsub(%r{^http://}, "https://")
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|             corrector.replace(patch_url_node.source_range, correct)
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|           end
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|         end
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| 
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|         def inline_patch_problems(patch)
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|           return if !patch_data?(patch) || patch_end?
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| 
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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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| 
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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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| 
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|         sig { returns(T::Boolean) }
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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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| 
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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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