Class: RuboCop::Cop::FormulaAudit::ResourceRequiresDependencies Private

Inherits:
RuboCop::Cop::FormulaCop show all
Defined in:
rubocops/resource_requires_dependencies.rb

Overview

This class is part of a private API. This class may only be used in the Homebrew/brew repository. Third parties should avoid using this class if possible, as it may be removed or changed without warning.

This cop audits Python formulae that include certain resources to ensure that they also have the correct uses_from_macos dependencies.

Instance Attribute Summary

Attributes inherited from RuboCop::Cop::FormulaCop

#file_path

Instance Method Summary collapse

Methods inherited from RuboCop::Cop::FormulaCop

#audit_comments, #audit_urls, #caveats_strings, #dependency_name_hash_match?, #dependency_type_hash_match?, #depends_on?, #depends_on_name_type?, #formula_tap, #get_checksum_node, #on_class, #required_dependency?, #required_dependency_name?, #style_exceptions_dir, #tap_style_exception?, #versioned_formula?

Methods included from HelperFunctions

#block_method_called_in_block?, #block_size, #check_precedence, #class_name, #component_precedes?, #end_column, #expression_negated?, #find_all_blocks, #find_block, #find_blocks, #find_const, #find_every_func_call_by_name, #find_every_method_call_by_name, #find_instance_call, #find_instance_method_call, #find_method_calls_by_name, #find_method_def, #find_method_with_args, #find_node_method_by_name, #find_strings, #format_component, #line_number, #line_start_column, #method_called?, #method_called_ever?, #method_name, #node_equals?, #offending_node, #parameters, #parameters_passed?, #problem, #regex_match_group, #size, #source_buffer, #start_column, #string_content

Instance Method Details

#audit_formula(formula_nodes) ⇒ void

This method is part of a private API. This method may only be used in the Homebrew/brew repository. Third parties should avoid using this method if possible, as it may be removed or changed without warning.

This method returns an undefined value.

Parameters:



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# File 'rubocops/resource_requires_dependencies.rb', line 14

def audit_formula(formula_nodes)
  return if (body_node = formula_nodes.body_node).nil?

  resource_nodes = find_every_method_call_by_name(body_node, :resource)
  return if resource_nodes.empty?

  %w[lxml pyyaml].each do |resource_name|
    found = resource_nodes.find { |node| node.arguments&.first&.str_content == resource_name }
    next unless found

    uses_from_macos_nodes = find_every_method_call_by_name(body_node, :uses_from_macos)
    depends_on_nodes = find_every_method_call_by_name(body_node, :depends_on)
    uses_from_macos_or_depends_on = (uses_from_macos_nodes + depends_on_nodes).filter_map do |node|
      if (dep = node.arguments.first).hash_type?
        dep_types = dep.values.first
        dep_types = dep_types.array_type? ? dep_types.values : [dep_types]
        dep.keys.first.str_content if dep_types.select(&:sym_type?).map(&:value).include?(:build)
      else
        dep.str_content
      end
    end

    required_deps = case resource_name
    when "lxml"
      kind = depends_on?(:linux) ? "depends_on" : "uses_from_macos"
      ["libxml2", "libxslt"]
    when "pyyaml"
      kind = "depends_on"
      ["libyaml"]
    else
      []
    end
    next if required_deps.all? { |dep| uses_from_macos_or_depends_on.include?(dep) }

    offending_node(found)
    problem "Add `#{kind}` lines above for #{required_deps.map { |req| "`\"#{req}\"`" }.join(" and ")}."
  end
end