JezK
Edit File: environment_preserver.rb
# frozen_string_literal: true module Bundler class EnvironmentPreserver INTENTIONALLY_NIL = "BUNDLER_ENVIRONMENT_PRESERVER_INTENTIONALLY_NIL".freeze BUNDLER_KEYS = %w[ BUNDLE_BIN_PATH BUNDLE_GEMFILE BUNDLER_VERSION GEM_HOME GEM_PATH MANPATH PATH RB_USER_INSTALL RUBYLIB RUBYOPT ].map(&:freeze).freeze BUNDLER_PREFIX = "BUNDLER_ORIG_".freeze 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