class Bundler::CLI::List

# File lib/bundler/cli/list.rb, line 5
def initialize(options)
  @options = options
end

# File lib/bundler/cli/list.rb, line 9
def run
  raise InvalidOption, "The `--only-group` and `--without-group` options cannot be used together" if @options["only-group"] && @options["without-group"]

  raise InvalidOption, "The `--name-only` and `--paths` options cannot be used together" if @options["name-only"] && @options[:paths]

  specs = if @options["only-group"] || @options["without-group"]
    filtered_specs_by_groups
  else
    Bundler.load.specs
  end.reject {|s| s.name == "bundler" }.sort_by(&:name)

  return Bundler.ui.info "No gems in the Gemfile" if specs.empty?

  return specs.each {|s| Bundler.ui.info s.name } if @options["name-only"]
  return specs.each {|s| Bundler.ui.info s.full_gem_path } if @options["paths"]

  Bundler.ui.info "Gems included by the bundle:"

  specs.each {|s| Bundler.ui.info "  * #{s.name} (#{s.version}#{s.git_version})" }

  Bundler.ui.info "Use `bundle info` to print more detailed information about a gem"
end

# File lib/bundler/cli/list.rb, line 40
def filtered_specs_by_groups
  definition = Bundler.definition
  groups = definition.groups

  verify_group_exists(groups)

  show_groups =
    if @options["without-group"]
      groups.reject {|g| g == @options["without-group"].to_sym }
    elsif @options["only-group"]
      groups.select {|g| g == @options["only-group"].to_sym }
    else
      groups
    end.map(&:to_sym)

  definition.specs_for(show_groups)
end

# File lib/bundler/cli/list.rb, line 34
def verify_group_exists(groups)
  raise InvalidOption, "`#{@options["without-group"]}` group could not be found." if @options["without-group"] && !groups.include?(@options["without-group"].to_sym)

  raise InvalidOption, "`#{@options["only-group"]}` group could not be found." if @options["only-group"] && !groups.include?(@options["only-group"].to_sym)
end