Class: Kompo::CheckStdlibs

Inherits:
Taski::Task
  • Object
show all
Defined in:
lib/kompo/tasks/check_stdlibs.rb

Overview

Get Ruby standard library paths from installed Ruby

Instance Method Summary collapse

Instance Method Details

#run ⇒ Object 



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# File 'lib/kompo/tasks/check_stdlibs.rb', line 10

def run
  # Check if stdlib should be excluded
  no_stdlib = Taski.args.fetch(:no_stdlib, false)
  if no_stdlib
    @paths = []
    puts "Skipping standard library (--no-stdlib)"
    return
  end

  ruby = InstallRuby.ruby_path
  ruby_install_dir = InstallRuby.ruby_install_dir
  original_ruby_install_dir = InstallRuby.original_ruby_install_dir
  ruby_major_minor = InstallRuby.ruby_major_minor

  # Include the Ruby standard library root directory
  # This includes bundler and other default gems that are not in $:
  # Ruby uses "X.Y.0" format for lib/ruby paths (e.g., "3.4.0" not "3.4")
  stdlib_root = File.join(ruby_install_dir, "lib", "ruby", "#{ruby_major_minor}.0")
  # RubyGems needs gemspec files in specifications/ directory
  gems_specs_root = File.join(ruby_install_dir, "lib", "ruby", "gems", "#{ruby_major_minor}.0", "specifications")

  if Dir.exist?(stdlib_root)
    @paths = [stdlib_root, gems_specs_root].select { |p| Dir.exist?(p) }
    puts "Including Ruby standard library: #{stdlib_root}"
    puts "Including gem specifications: #{gems_specs_root}" if Dir.exist?(gems_specs_root)
  else
    # Fallback to $: paths if stdlib root doesn't exist
    output, status = Open3.capture2(ruby, "-e", "puts $:", err: File::NULL)
    unless status.success?
      raise "Failed to get Ruby standard library paths: exit code #{status.exitstatus}, output: #{output}"
    end

    raw_paths = output.split("\n").reject(&:empty?)

    @paths = raw_paths.map do |path|
      next nil unless path.start_with?("/")

      if original_ruby_install_dir != ruby_install_dir && path.start_with?(original_ruby_install_dir)
        path.sub(original_ruby_install_dir, ruby_install_dir)
      else
        path
      end
    end.compact

    puts "Found #{@paths.size} standard library paths (fallback)"
  end
end