class Bundler::CLI::Install

def check_for_options_conflicts
  if (options[:path] || options[:deployment]) && options[:system]
    error_message = String.new
    error_message << "You have specified both a path to install your gems to as well as --system. Please choose.\n" if options[:path]
    error_message << "You have specified both --deployment as well as --system. Please choose.\n" if options[:deployment]
    raise InvalidOption.new(error_message)
  end
end

def confirm_without_groups
  return unless Bundler.settings.without.any?
  require "bundler/cli/common"
  Bundler.ui.confirm Bundler::CLI::Common.without_groups_message
end

def dependencies_count_for(definition)
  count = definition.dependencies.count
  "#{count} Gemfile #{count == 1 ? "dependency" : "dependencies"}"
end

def gems_installed_for(definition)
  count = definition.specs.count
  "#{count} #{count == 1 ? "gem" : "gems"} now installed"
end

def initialize(options)
  @options = options
end

def print_post_install_message(name, msg)
  Bundler.ui.confirm "Post-install message from #{name}:"
  Bundler.ui.info msg
end

def run
  Bundler.ui.level = "error" if options[:quiet]
  warn_if_root
  [:with, :without].each do |option|
    if options[option]
      options[option] = options[option].join(":").tr(" ", ":").split(":")
    end
  end
  if options[:without] && options[:with]
    conflicting_groups = options[:without] & options[:with]
    unless conflicting_groups.empty?
      Bundler.ui.error "You can't list a group in both, --with and --without." \
      "The offending groups are: #{conflicting_groups.join(", ")}."
      exit 1
    end
  end
  Bundler.settings.with    = [] if options[:with] && options[:with].empty?
  Bundler.settings.without = [] if options[:without] && options[:without].empty?
  with = options.fetch("with", [])
  with |= Bundler.settings.with.map(&:to_s)
  with -= options[:without] if options[:without]
  without = options.fetch("without", [])
  without |= Bundler.settings.without.map(&:to_s)
  without -= options[:with] if options[:with]
  options[:with]    = with
  options[:without] = without
  ENV["RB_USER_INSTALL"] = "1" if Bundler::FREEBSD
  # Just disable color in deployment mode
  Bundler.ui.shell = Thor::Shell::Basic.new if options[:deployment]
  check_for_options_conflicts
  if options["trust-policy"]
    unless Bundler.rubygems.security_policies.keys.include?(options["trust-policy"])
      Bundler.ui.error "Rubygems doesn't know about trust policy '#{options["trust-policy"]}'. " \
        "The known policies are: #{Bundler.rubygems.security_policies.keys.join(", ")}."
      exit 1
    end
    Bundler.settings["trust-policy"] = options["trust-policy"]
  else
    Bundler.settings["trust-policy"] = nil if Bundler.settings["trust-policy"]
  end
  if options[:deployment] || options[:frozen]
    unless Bundler.default_lockfile.exist?
      flag = options[:deployment] ? "--deployment" : "--frozen"
      raise ProductionError, "The #{flag} flag requires a #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)}. Please make " \
                             "sure you have checked your #{Bundler.default_lockfile.relative_path_from(SharedHelpers.pwd)} into version control " \
                             "before deploying."
    end
    options[:local] = true if Bundler.app_cache.exist?
    Bundler.settings[:frozen] = "1"
  end
  # When install is called with --no-deployment, disable deployment mode
  if options[:deployment] == false
    Bundler.settings.delete(:frozen)
    options[:system] = true
  end
  Bundler.settings[:path]     = nil if options[:system]
  Bundler.settings[:path]     = "vendor/bundle" if options[:deployment]
  Bundler.settings[:path]     = options["path"] if options["path"]
  Bundler.settings[:path] ||= "bundle" if options["standalone"]
  Bundler.settings[:bin]      = options["binstubs"] if options["binstubs"]
  Bundler.settings[:bin]      = nil if options["binstubs"] && options["binstubs"].empty?
  Bundler.settings[:shebang]  = options["shebang"] if options["shebang"]
  Bundler.settings[:jobs]     = options["jobs"] if options["jobs"]
  Bundler.settings[:no_prune] = true if options["no-prune"]
  Bundler.settings[:no_install] = true if options["no-install"]
  Bundler.settings[:clean]    = options["clean"] if options["clean"]
  Bundler.settings.without    = options[:without]
  Bundler.settings.with       = options[:with]
  Bundler::Fetcher.disable_endpoint = options["full-index"]
  Bundler.settings[:disable_shared_gems] = Bundler.settings[:path] ? true : nil
  # rubygems plugins sometimes hook into the gem install process
  Gem.load_env_plugins if Gem.respond_to?(:load_env_plugins)
  definition = Bundler.definition
  definition.validate_ruby!
  Installer.install(Bundler.root, definition, options)
  Bundler.load.cache if Bundler.app_cache.exist? && !options["no-cache"] && !Bundler.settings[:frozen]
  Bundler.ui.confirm "Bundle complete! #{dependencies_count_for(definition)}, #{gems_installed_for(definition)}."
  confirm_without_groups
  if Bundler.settings[:path]
    absolute_path = File.expand_path(Bundler.settings[:path])
    relative_path = absolute_path.sub(File.expand_path("."), ".")
    Bundler.ui.confirm "Bundled gems are installed into #{relative_path}."
  else
    Bundler.ui.confirm "Use `bundle show [gemname]` to see where a bundled gem is installed."
  end
  unless Bundler.settings["ignore_messages"]
    Installer.post_install_messages.to_a.each do |name, msg|
      print_post_install_message(name, msg) unless Bundler.settings["ignore_messages.#{name}"]
    end
  end
  Installer.ambiguous_gems.to_a.each do |name, installed_from_uri, *also_found_in_uris|
    Bundler.ui.error "Warning: the gem '#{name}' was found in multiple sources."
    Bundler.ui.error "Installed from: #{installed_from_uri}"
    Bundler.ui.error "Also found in:"
    also_found_in_uris.each {|uri| Bundler.ui.error "  * #{uri}" }
    Bundler.ui.error "You should add a source requirement to restrict this gem to your preferred source."
    Bundler.ui.error "For example:"
    Bundler.ui.error "    gem '#{name}', :source => '#{installed_from_uri}'"
    Bundler.ui.error "Then uninstall the gem '#{name}' (or delete all bundled gems) and then install again."
  end
  if Bundler.settings[:clean] && Bundler.settings[:path]
    require "bundler/cli/clean"
    Bundler::CLI::Clean.new(options).run
  end
rescue GemNotFound, VersionConflict => e
  if options[:local] && Bundler.app_cache.exist?
    Bundler.ui.warn "Some gems seem to be missing from your #{Bundler.settings.app_cache_path} directory."
  end
  unless Bundler.definition.has_rubygems_remotes?
    Bundler.ui.warn <<-WARN, :wrap => true
      Your Gemfile has no gem server sources. If you need gems that are \
      not already on your machine, add a line like this to your Gemfile:
      source 'https://rubygems.org'
    WARN
  end
  raise e
rescue Gem::InvalidSpecificationException => e
  Bundler.ui.warn "You have one or more invalid gemspecs that need to be fixed."
  raise e
end

def warn_if_root
  return if Bundler.settings[:silence_root_warning] || Bundler::WINDOWS || !Process.uid.zero?
  Bundler.ui.warn "Don't run Bundler as root. Bundler can ask for sudo " \
    "if it is needed, and installing your bundle as root will break this " \
    "application for all non-root users on this machine.", :wrap => true
end