Class: RuboCop::Cop::FormulaAudit::GenerateCompletionsDSL Private

Inherits:
RuboCop::Cop::FormulaCop show all
Extended by:
AutoCorrector
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 the generate_completions_from_executable DSL is used.

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, #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 442

def audit_formula(_node, _class_node, _parent_class_node, body_node)
  install = find_method_def(body_node, :install)
  return if install.blank?

  correctable_shell_completion_node(install) do |node, shell, base_name, executable, subcmd, shell_parameter|
    # generate_completions_from_executable only applicable if shell is passed
    next unless shell_parameter.match?(/(bash|zsh|fish)/)

    base_name = base_name.delete_prefix("_").delete_suffix(".fish")
    shell = shell.to_s.delete_suffix("_completion").to_sym
    shell_parameter_stripped = shell_parameter
                               .delete_suffix("bash")
                               .delete_suffix("zsh")
                               .delete_suffix("fish")
    shell_parameter_format = if shell_parameter_stripped.empty?
      nil
    elsif shell_parameter_stripped == "--"
      :flag
    elsif shell_parameter_stripped == "--shell="
      :arg
    else
      shell_parameter_stripped
    end

    replacement_args = %w[]
    replacement_args << executable.source
    replacement_args << subcmd.source
    replacement_args << "base_name: \"#{base_name}\"" if base_name != @formula_name
    replacement_args << "shells: [:#{shell}]"
    unless shell_parameter_format.nil?
      replacement_args << "shell_parameter_format: #{shell_parameter_format.inspect}"
    end

    offending_node(node)
    replacement = "generate_completions_from_executable(#{replacement_args.join(", ")})"

    problem "Use `#{replacement}` instead of `#{@offensive_node.source}`." do |corrector|
      corrector.replace(@offensive_node.source_range, replacement)
    end
  end

  shell_completion_node(install) do |node|
    next if node.source.include?("<<~") # skip heredoc completion scripts
    next if node.source.match?(/{.*=>.*}/) # skip commands needing custom ENV variables

    offending_node(node)
    problem "Use `generate_completions_from_executable` DSL instead of `#{@offensive_node.source}`."
  end
end