Class: RuboCop::Cop::FormulaAudit::OptionDeclarations Private

Inherits:
RuboCop::Cop::FormulaCop show all
Defined in:
rubocops/lines.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 makes sure that options are used idiomatically.

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, #depends_on?, #depends_on_name_type?, #formula_tap, #get_checksum_node, #on_class, #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(_node, _class_node, _parent_class_node, body_node) ⇒ Object

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. 



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# File 'rubocops/lines.rb', line 120

def audit_formula(_node, _class_node, _parent_class_node, body_node)
  return if body_node.nil?

  problem "Use new-style option definitions" if find_method_def(body_node, :options)

  if formula_tap == "homebrew-core"
    # Use of build.with? implies options, which are forbidden in homebrew/core
    find_instance_method_call(body_node, :build, :without?) do
      problem "Formulae in homebrew/core should not use `build.without?`."
    end
    find_instance_method_call(body_node, :build, :with?) do
      problem "Formulae in homebrew/core should not use `build.with?`."
    end

    return
  end

  depends_on_build_with(body_node) do |build_with_node|
    offending_node(build_with_node)
    problem "Use `:optional` or `:recommended` instead of `if #{build_with_node.source}`"
  end

  find_instance_method_call(body_node, :build, :without?) do |method|
    next unless unless_modifier?(method.parent)

    correct = method.source.gsub("out?", "?")
    problem "Use if #{correct} instead of unless #{method.source}"
  end

  find_instance_method_call(body_node, :build, :with?) do |method|
    next unless unless_modifier?(method.parent)

    correct = method.source.gsub("?", "out?")
    problem "Use if #{correct} instead of unless #{method.source}"
  end

  find_instance_method_call(body_node, :build, :with?) do |method|
    next unless expression_negated?(method)

    problem "Don't negate 'build.with?': use 'build.without?'"
  end

  find_instance_method_call(body_node, :build, :without?) do |method|
    next unless expression_negated?(method)

    problem "Don't negate 'build.without?': use 'build.with?'"
  end

  find_instance_method_call(body_node, :build, :without?) do |method|
    arg = parameters(method).first
    next unless (match = regex_match_group(arg, /^-?-?without-(.*)/))

    problem "Don't duplicate 'without': " \
            "Use `build.without? \"#{match[1]}\"` to check for \"--without-#{match[1]}\""
  end

  find_instance_method_call(body_node, :build, :with?) do |method|
    arg = parameters(method).first
    next unless (match = regex_match_group(arg, /^-?-?with-(.*)/))

    problem "Don't duplicate 'with': Use `build.with? \"#{match[1]}\"` to check for \"--with-#{match[1]}\""
  end

  find_instance_method_call(body_node, :build, :include?) do
    problem "`build.include?` is deprecated"
  end
end

#unless_modifier?(node) ⇒ Boolean

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.

Returns:

  • (Boolean) 


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# File 'rubocops/lines.rb', line 188

def unless_modifier?(node)
  return false unless node.if_type?

  node.modifier_form? && node.unless?
end