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PATH: opt / alt / ruby32 / share / gems / gems / bundler-2.4.19 / lib / bundler

# frozen_string_literal: true

module Bundler
  class EnvironmentPreserver
    INTENTIONALLY_NIL = "BUNDLER_ENVIRONMENT_PRESERVER_INTENTIONALLY_NIL"
    BUNDLER_KEYS = %w[
      BUNDLE_BIN_PATH
      BUNDLE_GEMFILE
      BUNDLER_VERSION
      BUNDLER_SETUP
      GEM_HOME
      GEM_PATH
      MANPATH
      PATH
      RB_USER_INSTALL
      RUBYLIB
      RUBYOPT
    ].map(&:freeze).freeze
    BUNDLER_PREFIX = "BUNDLER_ORIG_"

def self.from_env
      new(env_to_hash(ENV), BUNDLER_KEYS)
    end

def self.env_to_hash(env)
      to_hash = env.to_hash
      return to_hash unless Gem.win_platform?

to_hash.each_with_object({}) {|(k,v), a| a[k.upcase] = v }
    end

# @param env [Hash]
    # @param keys [Array<String>]
    def initialize(env, keys)
      @original = env
      @keys = keys
      @prefix = BUNDLER_PREFIX
    end

# Replaces `ENV` with the bundler environment variables backed up
    def replace_with_backup
      unless Gem.win_platform?
        ENV.replace(backup)
        return
      end

# Fallback logic for Windows below to workaround
      # https://bugs.ruby-lang.org/issues/16798. Can be dropped once all
      # supported rubies include the fix for that.

ENV.clear

backup.each {|k, v| ENV[k] = v }
    end

# @return [Hash]
    def backup
      env = @original.clone
      @keys.each do |key|
        value = env[key]
        if !value.nil? && !value.empty?
          env[@prefix + key] ||= value
        elsif value.nil?
          env[@prefix + key] ||= INTENTIONALLY_NIL
        end
      end
      env
    end

# @return [Hash]
    def restore
      env = @original.clone
      @keys.each do |key|
        value_original = env[@prefix + key]
        next if value_original.nil? || value_original.empty?
        if value_original == INTENTIONALLY_NIL
          env.delete(key)
        else
          env[key] = value_original
        end
        env.delete(@prefix + key)
      end
      env
    end
  end
end

[+] settings
[+] plugin
[-] gem_version_promoter.rb [open]
[-] vendored_fileutils.rb [open]
[+] ..
[-] feature_flag.rb [open]
[+] resolver
[-] shared_helpers.rb [open]
[-] settings.rb [open]
[-] self_manager.rb [open]
[-] dependency.rb [open]
[-] lazy_specification.rb [open]
[-] dsl.rb [open]
[-] uri_normalizer.rb [open]
[-] injector.rb [open]
[+] cli
[-] gem_tasks.rb [open]
[-] retry.rb [open]
[-] vendored_persistent.rb [open]
[-] force_platform.rb [open]
[-] setup.rb [open]
[-] vendored_thor.rb [open]
[-] resolver.rb [open]
[-] deployment.rb [open]
[-] deprecate.rb [open]
[-] fetcher.rb [open]
[+] ui
[-] vlad.rb [open]
[-] index.rb [open]
[-] mirror.rb [open]
[-] match_metadata.rb [open]
[-] source.rb [open]
[-] vendored_pub_grub.rb [open]
[-] endpoint_specification.rb [open]
[-] remote_specification.rb [open]
[-] vendored_tsort.rb [open]
[-] current_ruby.rb [open]
[-] lockfile_generator.rb [open]
[+] templates
[-] ui.rb [open]
[-] graph.rb [open]
[-] rubygems_gem_installer.rb [open]
[-] plugin.rb [open]
[+] source
[-] errors.rb [open]
[-] source_list.rb [open]
[+] compact_index_client
[-] uri_credentials_filter.rb [open]
[-] compact_index_client.rb [open]
[-] version.rb [open]
[+] vendor
[-] constants.rb [open]
[-] definition.rb [open]
[-] process_lock.rb [open]
[-] spec_set.rb [open]
[-] gem_helper.rb [open]
[+] man
[-] environment_preserver.rb [open]
[-] rubygems_ext.rb [open]
[-] safe_marshal.rb [open]
[-] yaml_serializer.rb [open]
[+] fetcher
[-] runtime.rb [open]
[+] installer
[-] similarity_detector.rb [open]
[-] friendly_errors.rb [open]
[-] capistrano.rb [open]
[-] cli.rb [open]
[-] vendored_uri.rb [open]
[-] env.rb [open]
[-] ruby_version.rb [open]
[-] inline.rb [open]
[-] match_remote_metadata.rb [open]
[-] match_platform.rb [open]
[-] build_metadata.rb [open]
[-] rubygems_integration.rb [open]
[-] stub_specification.rb [open]
[-] lockfile_parser.rb [open]
[-] gem_helpers.rb [open]
[-] ruby_dsl.rb [open]
[-] installer.rb [open]
[-] source_map.rb [open]
[-] worker.rb [open]
[-] digest.rb [open]