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Path: /proc/self/root/opt/chef/embedded/lib/ruby/gems/2.7.0/gems/appbundler-0.13.2/lib/appbundler/

Viewing File: cli.rb

require_relative "version"
require_relative "app"
require "mixlib/cli"

module Appbundler
  class CLI
    include Mixlib::CLI

    banner(<<~BANNER)
      * appbundler #{VERSION} *

      Usage: appbundler BUNDLE_DIR BINSTUB_DIR [GEM_NAME] [GEM_NAME] ...

        BUNDLE_DIR is the root directory to the bundle containing your app
        BINSTUB_DIR is the directory where you want generated executables to be written
        GEM_NAME is the name of a gem you want to appbundle. Default is the directory name
                 of BUNDLE_DIR (e.g. /src/chef -> chef)

      Your bundled application must already be gem installed.  Generated binstubs
      will point to the gem, not your working copy.
    BANNER

    # this is used by chef-dk, its probably not an external API, here be dragons
    option :without,
      long: "--without GROUPS",
      description: "Comma separated list of groups to exclude when building transitive Gemfile.locks (internal API)",
      proc: lambda { |o| o.split(/[\s,]+/) },
      default: []

    option :version,
      short: "-v",
      long: "--version",
      description: "Show appbundler version",
      boolean: true,
      proc: lambda { |v| $stdout.puts("Appbundler Version: #{::Appbundler::VERSION}") },
      exit: 0

    option :help,
      short: "-h",
      long: "--help",
      description: "Show this message",
      on: :tail,
      boolean: true,
      show_options: true,
      exit: 0

    def self.run(argv)
      cli = new(argv)
      cli.handle_options
      cli.validate!
      cli.run
    end

    attr_reader :argv

    attr_reader :bundle_path
    attr_reader :bin_path
    attr_reader :gems

    def initialize(argv)
      @argv = argv
      super()
    end

    def handle_options
      parse_options(@argv)
    end

    def validate!
      if cli_arguments.size < 2
        usage_and_exit!
      else
        @bundle_path = File.expand_path(cli_arguments[0])
        @bin_path = File.expand_path(cli_arguments[1])
        @gems = cli_arguments[2..-1]
        @gems = [ nil ] if @gems.empty?
        verify_bundle_path
        verify_bin_path
      end
    end

    def verify_bundle_path
      if !File.directory?(bundle_path)
        err("BUNDLE_DIR `#{bundle_path}' is not a directory or doesn't exist")
        usage_and_exit!
      elsif !File.exist?(File.join(bundle_path, "Gemfile.lock"))
        err("BUNDLE_DIR does not contain required Gemfile.lock")
        usage_and_exit!
      end
    end

    def verify_bin_path
      if !File.directory?(bin_path)
        err("BINSTUB_DIR `#{bin_path}' is not a directory or doesn't exist")
        usage_and_exit!
      end
    end

    def run
      gems.each do |g|
        app = App.new(bundle_path, bin_path, g)
        created_stubs = app.write_executable_stubs
        created_stubs.each do |real_executable_path, stub_path|
          $stdout.puts "Generated binstub #{stub_path} => #{real_executable_path}"
        end
        created_lockfile = app.write_merged_lockfiles(without: config[:without])
        $stdout.puts "Generated merged lockfile at #{created_lockfile}" if created_lockfile
      end
    end

    def err(message)
      $stderr.print("#{message}\n")
    end

    def usage_and_exit!
      err(banner)
      exit 1
    end
  end
end