#!/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
          next unless a =~ /\A--bundler(?:[= ](#{Gem::Version::VERSION_PATTERN}))?\z/
          bundler_version = $1 || ">= 0.a"
          update_index = i
        end
        bundler_version
      end

      def gemfile
        gemfile = ENV["BUNDLE_GEMFILE"]
        return gemfile if gemfile && !gemfile.empty?

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

      def lockfile
        lockfile =
          case File.basename(gemfile)
          when "gems.rb" then 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)
        return unless lockfile_contents =~ /\n\nBUNDLED WITH\n\s{2,}(#{Gem::Version::VERSION_PATTERN})\n/
        Regexp.last_match(1)
      end

      def bundler_version
        @bundler_version ||= begin
          env_var_version || cli_arg_version ||
            lockfile_version || "#{Gem::Requirement.default}.a"
        end
      end

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

        # must dup string for RG < 1.8 compatibility
        activate_bundler(bundler_version.dup)
      end

      def activate_bundler(bundler_version)
        if Gem::Version.correct?(bundler_version) && Gem::Version.new(bundler_version).release < Gem::Version.new("2.0")
          bundler_version = "< 2"
        end
        gem_error = activation_error_handling do
          gem "bundler", bundler_version
        end
        return if gem_error.nil?
        require_error = activation_error_handling do
          require "bundler/version"
        end
        return if require_error.nil? && Gem::Requirement.new(bundler_version).satisfied_by?(Gem::Version.new(Bundler::VERSION))
        warn "Activating bundler (#{bundler_version}) failed:\n#{gem_error.message}\n\nTo install the version of bundler this project requires, run `gem install bundler -v '#{bundler_version}'`"
        exit 42
      end

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

m.load_bundler!

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