bin/bundle

#!/usr/bin/env ruby
# frozen_string_literal: true

#
# This file was generated by Bundler.
#
# The application 'bundle' is installed as part of a gem, and
# this file is here to facilitate running it.
#

require 'rubygems'

m =
  Module.new do
    module_function

    def invoked_as_script?
      File.expand_path($0) == File.expand_path(__FILE__)
    end

    def env_var_version
      ENV['BUNDLER_VERSION']
    end

    def cli_arg_version
      return unless invoked_as_script? # don't want to hijack other binstubs
      return unless 'update'.start_with?(ARGV.first || ' ') # must be running `bundle update`
      bundler_version = nil
      update_index = nil
      ARGV.each_with_index do |a, i|
        if update_index && update_index.succ == i &&
             a =~ Gem::Version::ANCHORED_VERSION_PATTERN
          bundler_version = a
        end
        unless a =~ /\A--bundler(?:[= ](#{Gem::Version::VERSION_PATTERN}))?\z/
          next
        end
        bundler_version = $1
        update_index = i
      end
      bundler_version
    end

    def gemfile
      gemfile = ENV['BUNDLE_GEMFILE']
      return gemfile if gemfile && !gemfile.empty? # rubocop:disable Rails/Present

      File.expand_path('../Gemfile', __dir__)
    end

    def lockfile
      lockfile =
        case File.basename(gemfile)
        when 'gems.rb'
          gemfile.sub(/\.rb$/, gemfile)
        else
          "#{gemfile}.lock"
        end
      File.expand_path(lockfile)
    end

    def lockfile_version
      return unless File.file?(lockfile)
      lockfile_contents = File.read(lockfile)
      unless lockfile_contents =~
               /\n\nBUNDLED WITH\n\s{2,}(#{Gem::Version::VERSION_PATTERN})\n/
        return
      end
      Regexp.last_match(1)
    end

    def bundler_requirement
      @bundler_requirement ||=
        env_var_version || cli_arg_version ||
          bundler_requirement_for(lockfile_version)
    end

    def bundler_requirement_for(version)
      return "#{Gem::Requirement.default}.a" unless version

      bundler_gem_version = Gem::Version.new(version)

      requirement = bundler_gem_version.approximate_recommendation

      return requirement unless Gem.rubygems_version < Gem::Version.new('2.7.0')

      requirement += '.a' if bundler_gem_version.prerelease?

      requirement
    end

    def load_bundler!
      ENV['BUNDLE_GEMFILE'] ||= gemfile

      activate_bundler
    end

    def activate_bundler
      gem_error =
        activation_error_handling { gem 'bundler', bundler_requirement }
      return if gem_error.nil?
      require_error = activation_error_handling { require 'bundler/version' }
      if require_error.nil? &&
           Gem::Requirement
             .new(bundler_requirement)
             .satisfied_by?(Gem::Version.new(Bundler::VERSION))
        return
      end
      warn "Activating bundler (#{bundler_requirement}) failed:\n#{gem_error.message}\n\nTo install the version of bundler this project requires, run `gem install bundler -v '#{bundler_requirement}'`"
      exit 42
    end

    def activation_error_handling
      yield
      nil
    rescue StandardError, LoadError => e
      e
    end
  end

m.load_bundler!

load Gem.bin_path('bundler', 'bundle') if m.invoked_as_script?