# File lib/bundler/settings.rb, line 84
def initialize(root = nil)
  @root            = root
  @local_config    = load_config(local_config_file)
  @global_config   = load_config(global_config_file)
  @temporary       = {}
end

# File lib/bundler/settings.rb, line 448
def self.normalize_uri(uri)
  uri = uri.to_s
  if uri =~ NORMALIZE_URI_OPTIONS_PATTERN
    prefix = $1
    uri = $2
    suffix = $3
  end
  uri = "#{uri}/" unless uri.end_with?("/")
  uri = URI(uri)
  unless uri.absolute?
    raise ArgumentError, format("Gem sources must be absolute. You provided '%s'.", uri)
  end
  "#{prefix}#{uri}#{suffix}"
end

# File lib/bundler/settings.rb, line 91
def [](name)
  key = key_for(name)
  value = @temporary.fetch(key) do
          @local_config.fetch(key) do
          ENV.fetch(key) do
          @global_config.fetch(key) do
          DEFAULT_CONFIG.fetch(name) do
            nil
          end end end end end

  converted_value(value, name)
end

# File lib/bundler/settings.rb, line 153
def all
  env_keys = ENV.keys.grep(/\ABUNDLE_.+/)

  keys = @temporary.keys | @global_config.keys | @local_config.keys | env_keys

  keys.map do |key|
    key.sub(/^BUNDLE_/, "").gsub(/__/, ".").downcase
  end
end

# File lib/bundler/settings.rb, line 283
def allow_sudo?
  key = key_for(:path)
  path_configured = @temporary.key?(key) || @local_config.key?(key)
  !path_configured
end

# File lib/bundler/settings.rb, line 293
def app_cache_path
  @app_cache_path ||= self[:cache_path] || "vendor/cache"
end

# File lib/bundler/settings.rb, line 176
def credentials_for(uri)
  self[uri.to_s] || self[uri.host]
end

# File lib/bundler/settings.rb, line 180
def gem_mirrors
  all.inject(Mirrors.new) do |mirrors, k|
    mirrors.parse(k, self[k]) if k.start_with?("mirror.")
    mirrors
  end
end

# File lib/bundler/settings.rb, line 289
def ignore_config?
  ENV["BUNDLE_IGNORE_CONFIG"]
end

# File lib/bundler/settings.rb, line 306
def key_for(key)
  key = Settings.normalize_uri(key).to_s if key.is_a?(String) && /https?:/ =~ key
  key = key.to_s.gsub(".", "__").upcase
  "BUNDLE_#{key}"
end

# File lib/bundler/settings.rb, line 163
def local_overrides
  repos = {}
  all.each do |k|
    repos[$'] = self[k] if k =~ /^local\./
  end
  repos
end

# File lib/bundler/settings.rb, line 187
def locations(key)
  key = key_for(key)
  locations = {}
  locations[:temporary] = @temporary[key] if @temporary.key?(key)
  locations[:local]  = @local_config[key] if @local_config.key?(key)
  locations[:env]    = ENV[key] if ENV[key]
  locations[:global] = @global_config[key] if @global_config.key?(key)
  locations[:default] = DEFAULT_CONFIG[key] if DEFAULT_CONFIG.key?(key)
  locations
end

# File lib/bundler/settings.rb, line 171
def mirror_for(uri)
  uri = URI(uri.to_s) unless uri.is_a?(URI)
  gem_mirrors.for(uri.to_s).uri
end

# File lib/bundler/settings.rb, line 225
def path
  key  = key_for(:path)
  path = ENV[key] || @global_config[key]
  if path && !@temporary.key?(key) && !@local_config.key?(key)
    return Path.new(path, Bundler.feature_flag.global_path_appends_ruby_scope?, false, false)
  end

  system_path = self["path.system"] || (self[:disable_shared_gems] == false)
  Path.new(self[:path], true, system_path, Bundler.feature_flag.default_install_uses_path?)
end

# File lib/bundler/settings.rb, line 198
def pretty_values_for(exposed_key)
  key = key_for(exposed_key)

  locations = []

  if @temporary.key?(key)
    locations << "Set for the current command: #{converted_value(@temporary[key], exposed_key).inspect}"
  end

  if @local_config.key?(key)
    locations << "Set for your local app (#{local_config_file}): #{converted_value(@local_config[key], exposed_key).inspect}"
  end

  if value = ENV[key]
    locations << "Set via #{key}: #{converted_value(value, exposed_key).inspect}"
  end

  if @global_config.key?(key)
    locations << "Set for the current user (#{global_config_file}): #{converted_value(@global_config[key], exposed_key).inspect}"
  end

  return ["You have not configured a value for `#{exposed_key}`"] if locations.empty?
  locations
end

# File lib/bundler/settings.rb, line 104
def set_command_option(key, value)
  if Bundler.feature_flag.forget_cli_options?
    temporary(key => value)
    value
  else
    command = if value.nil?
      "bundle config --delete #{key}"
    else
      "bundle config #{key} #{Array(value).join(":")}"
    end

    Bundler::SharedHelpers.major_deprecation 2,\
      "flags passed to commands " \
      "will no longer be automatically remembered. Instead please set flags " \
      "you want remembered between commands using `bundle config " \
      "<setting name> <setting value>`, i.e. `#{command}`"

    set_local(key, value)
  end
end

# File lib/bundler/settings.rb, line 125
def set_command_option_if_given(key, value)
  return if value.nil?
  set_command_option(key, value)
end

# File lib/bundler/settings.rb, line 149
def set_global(key, value)
  set_key(key, value, @global_config, global_config_file)
end

# File lib/bundler/settings.rb, line 130
def set_local(key, value)
  local_config_file || raise(GemfileNotFound, "Could not locate Gemfile")

  set_key(key, value, @local_config, local_config_file)
end

# File lib/bundler/settings.rb, line 136
def temporary(update)
  existing = Hash[update.map {|k, _| [k, @temporary[key_for(k)]] }]
  update.each do |k, v|
    set_key(k, v, @temporary, nil)
  end
  return unless block_given?
  begin
    yield
  ensure
    existing.each {|k, v| set_key(k, v, @temporary, nil) }
  end
end

# File lib/bundler/settings.rb, line 297
def validate!
  all.each do |raw_key|
    [@local_config, ENV, @global_config].each do |settings|
      value = converted_value(settings[key_for(raw_key)], raw_key)
      Validator.validate!(raw_key, value, settings.to_hash.dup)
    end
  end
end

# File lib/bundler/settings.rb, line 352
def array_to_s(array)
  array = Array(array)
  return nil if array.empty?
  array.join(":").tr(" ", ":")
end

# File lib/bundler/settings.rb, line 379
def converted_value(value, key)
  if is_array(key)
    to_array(value)
  elsif value.nil?
    nil
  elsif is_bool(key) || value == "false"
    to_bool(value)
  elsif is_num(key)
    value.to_i
  else
    value.to_s
  end
end

# File lib/bundler/settings.rb, line 393
def global_config_file
  if ENV["BUNDLE_CONFIG"] && !ENV["BUNDLE_CONFIG"].empty?
    Pathname.new(ENV["BUNDLE_CONFIG"])
  else
    begin
      Bundler.user_bundle_path("config")
    rescue PermissionError, GenericSystemCallError
      nil
    end
  end
end

# File lib/bundler/settings.rb, line 343
def is_array(key)
  ARRAY_KEYS.include?(key.to_s)
end

# File lib/bundler/settings.rb, line 326
def is_bool(name)
  BOOL_KEYS.include?(name.to_s) || BOOL_KEYS.include?(parent_setting_for(name.to_s))
end

# File lib/bundler/settings.rb, line 339
def is_num(key)
  NUMBER_KEYS.include?(key.to_s)
end

# File lib/bundler/settings.rb, line 423
def load_config(config_file)
  return {} if !config_file || ignore_config?
  SharedHelpers.filesystem_access(config_file, :read) do |file|
    valid_file = file.exist? && !file.size.zero?
    return {} unless valid_file
    require "bundler/yaml_serializer"
    YAMLSerializer.load file.read
  end
end

# File lib/bundler/settings.rb, line 405
def local_config_file
  Pathname.new(@root).join("config") if @root
end

# File lib/bundler/settings.rb, line 314
def parent_setting_for(name)
  split_specific_setting_for(name)[0]
end

# File lib/bundler/settings.rb, line 358
def set_key(raw_key, value, hash, file)
  raw_key = raw_key.to_s
  value = array_to_s(value) if is_array(raw_key)

  key = key_for(raw_key)

  return if hash[key] == value

  hash[key] = value
  hash.delete(key) if value.nil?

  Validator.validate!(raw_key, converted_value(value, raw_key), hash)

  return unless file
  SharedHelpers.filesystem_access(file) do |p|
    FileUtils.mkdir_p(p.dirname)
    require "bundler/yaml_serializer"
    p.open("w") {|f| f.write(YAMLSerializer.dump(hash)) }
  end
end

# File lib/bundler/settings.rb, line 318
def specific_gem_for(name)
  split_specific_setting_for(name)[1]
end

# File lib/bundler/settings.rb, line 322
def split_specific_setting_for(name)
  name.split(".")
end

# File lib/bundler/settings.rb, line 347
def to_array(value)
  return [] unless value
  value.split(":").map(&:to_sym)
end

# File lib/bundler/settings.rb, line 330
def to_bool(value)
  case value
  when nil, /\A(false|f|no|n|0|)\z/i, false
    false
  else
    true
  end
end