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@@ -1,3 +1,109 @@
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#!/usr/bin/env ruby
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-ENV['BUNDLE_GEMFILE'] ||= File.expand_path('../Gemfile', __dir__)
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-load Gem.bin_path('bundler', 'bundle')
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+# frozen_string_literal: true
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+
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+#
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+# This file was generated by Bundler.
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+#
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+# The application 'bundle' is installed as part of a gem, and
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+# this file is here to facilitate running it.
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+#
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+
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+require "rubygems"
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+
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+m = Module.new do
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+ module_function
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+
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+ def invoked_as_script?
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+ File.expand_path($0) == File.expand_path(__FILE__)
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+ end
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+
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+ def env_var_version
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+ ENV["BUNDLER_VERSION"]
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+ end
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+
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+ def cli_arg_version
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+ return unless invoked_as_script? # don't want to hijack other binstubs
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+ return unless "update".start_with?(ARGV.first || " ") # must be running `bundle update`
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+ bundler_version = nil
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+ update_index = nil
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+ ARGV.each_with_index do |a, i|
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+ if update_index && update_index.succ == i && a.match?(Gem::Version::ANCHORED_VERSION_PATTERN)
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+ bundler_version = a
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+ end
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+ next unless a =~ /\A--bundler(?:[= ](#{Gem::Version::VERSION_PATTERN}))?\z/
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+ bundler_version = $1
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+ update_index = i
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+ end
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+ bundler_version
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+ end
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+
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+ def gemfile
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+ gemfile = ENV["BUNDLE_GEMFILE"]
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+ return gemfile if gemfile && !gemfile.empty?
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+
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+ File.expand_path("../Gemfile", __dir__)
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+ end
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+
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+ def lockfile
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+ lockfile =
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+ case File.basename(gemfile)
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+ when "gems.rb" then gemfile.sub(/\.rb$/, ".locked")
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+ else "#{gemfile}.lock"
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+ end
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+ File.expand_path(lockfile)
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+ end
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+
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+ def lockfile_version
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+ return unless File.file?(lockfile)
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+ lockfile_contents = File.read(lockfile)
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+ return unless lockfile_contents =~ /\n\nBUNDLED WITH\n\s{2,}(#{Gem::Version::VERSION_PATTERN})\n/
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+ Regexp.last_match(1)
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+ end
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+
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+ def bundler_requirement
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+ @bundler_requirement ||=
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+ env_var_version ||
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+ cli_arg_version ||
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+ bundler_requirement_for(lockfile_version)
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+ end
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+
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+ def bundler_requirement_for(version)
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+ return "#{Gem::Requirement.default}.a" unless version
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+
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+ bundler_gem_version = Gem::Version.new(version)
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+
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+ bundler_gem_version.approximate_recommendation
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+ end
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+
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+ def load_bundler!
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+ ENV["BUNDLE_GEMFILE"] ||= gemfile
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+
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+ activate_bundler
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+ end
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+
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+ def activate_bundler
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+ gem_error = activation_error_handling do
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+ gem "bundler", bundler_requirement
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+ end
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+ return if gem_error.nil?
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+ require_error = activation_error_handling do
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+ require "bundler/version"
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+ end
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+ return if require_error.nil? && Gem::Requirement.new(bundler_requirement).satisfied_by?(Gem::Version.new(Bundler::VERSION))
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+ 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}'`"
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+ exit 42
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+ end
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+
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+ def activation_error_handling
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+ yield
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+ nil
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+ rescue StandardError, LoadError => e
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+ e
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+ end
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+end
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+
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+m.load_bundler!
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+
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+if m.invoked_as_script?
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+ load Gem.bin_path("bundler", "bundle")
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+end
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