File setup.rb has 1223 lines of code (exceeds 250 allowed). Consider refactoring.

Open

unless Enumerable.method_defined?(:map) # Ruby 1.4.6
  module Enumerable
    alias map collect
  end
end

Class Installer has 44 methods (exceeds 20 allowed). Consider refactoring.

Open

class Installer
  FILETYPES = %w[bin lib ext data conf man]

  include FileOperations
  include HookScriptAPI

Method standard_entries has 99 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  def standard_entries(rbconfig)
    c = rbconfig

    rubypath = File.join(c['bindir'], c['ruby_install_name'] + c['EXEEXT'])

Class ToplevelInstaller has 26 methods (exceeds 20 allowed). Consider refactoring.

Open

class ToplevelInstaller
  Version   = '3.4.1'
  Copyright = 'Copyright (c) 2000-2005 Minero Aoki'

  TASKS = [

Class ConfigTable has 23 methods (exceeds 20 allowed). Consider refactoring.

Open

class ConfigTable
  include Enumerable

  def initialize(rbconfig)
    @rbconfig = rbconfig

Method standard_entries has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.

Open

  def standard_entries(rbconfig)
    c = rbconfig

    rubypath = File.join(c['bindir'], c['ruby_install_name'] + c['EXEEXT'])

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Method update_shebang_line has a Cognitive Complexity of 15 (exceeds 5 allowed). Consider refactoring.

Open

  def update_shebang_line(path)
    return if no_harm?
    return if config('shebang') == 'never'

    old = Shebang.load(path)

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Method install has a Cognitive Complexity of 13 (exceeds 5 allowed). Consider refactoring.

Open

  def install(from, dest, mode, prefix = nil)
    warn "install #{from} #{dest}" if verbose?
    return if no_harm?

    realdest = prefix ? prefix + File.expand_path(dest) : dest

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Method remove_tree0 has a Cognitive Complexity of 12 (exceeds 5 allowed). Consider refactoring.

Open

  def remove_tree0(path)
    Dir.foreach(path) do |ent|
      next if ent == '.'
      next if ent == '..'

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Method print_usage has 33 lines of code (exceeds 25 allowed). Consider refactoring.

Open

  def print_usage(out)
    out.puts 'Typical Installation Procedure:'
    out.puts "  $ ruby #{File.basename $0} config"
    out.puts "  $ ruby #{File.basename $0} setup"
    out.puts "  # ruby #{File.basename $0} install (may require root privilege)"

Method parsearg_config has a Cognitive Complexity of 9 (exceeds 5 allowed). Consider refactoring.

Open

  def parsearg_config
    evalopt = []
    set = []
    @config.config_opt = []
    while i = ARGV.shift

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Method initialize has 5 arguments (exceeds 4 allowed). Consider refactoring.

Open

    def initialize(name, template, default, help_default, desc)

Method new_shebang has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

  def new_shebang(old)
    if /\Aruby/ =~ File.basename(old.cmd)
      Shebang.new(config('rubypath'), old.args)
    elsif File.basename(old.cmd) == 'env' and old.args.first == 'ruby'
      Shebang.new(config('rubypath'), old.args[1..-1])

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Method exec_task_traverse has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

  def exec_task_traverse(task)
    run_hook "pre-#{task}"
    FILETYPES.each do |type|
      if type == 'ext' and config('without-ext') == 'yes'
        warn 'skipping ext/* by user option' if verbose?

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Method parsearg_install has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

  def parsearg_install
    @config.no_harm = false
    @config.install_prefix = ''
    while a = ARGV.shift
      case a

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Method mkdir_p has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

  def mkdir_p(dirname, prefix = nil)
    dirname = prefix + File.expand_path(dirname) if prefix
    warn "mkdir -p #{dirname}" if verbose?
    return if no_harm?

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Method parsearg_global has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

  def parsearg_global
    while arg = ARGV.shift
      case arg
      when /\A\w+\z/
        setup_rb_error "invalid task: #{arg}" unless valid_task?(arg)

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Method each_selected_installers has a Cognitive Complexity of 7 (exceeds 5 allowed). Consider refactoring.

Open

  def each_selected_installers
    Dir.mkdir 'packages' unless File.dir?('packages')
    @selected.each do |pack|
      warn "Processing the package `#{pack}' ..." if verbose?
      Dir.mkdir "packages/#{pack}" unless File.dir?("packages/#{pack}")

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Method exec_test has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

  def exec_test
    unless File.directory?('test')
      warn 'no test in this package' if verbose?
      return
    end

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Method invoke has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

  def invoke
    run_metaconfigs
    case task = parsearg_global
    when nil, 'all'
      parsearg_config

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Method dive_into has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.

Open

  def dive_into(rel)
    return unless File.dir?("#{@srcdir}/#{rel}")

    dir = File.basename(rel)
    Dir.mkdir dir unless File.dir?(dir)

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