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Edit File : config_file.rb \| Size : 12.69 KB
# frozen_string_literal: true #-- # Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others. # All rights reserved. # See LICENSE.txt for permissions. #++ require 'rubygems/user_interaction' require 'rbconfig' ## # Gem::ConfigFile RubyGems options and gem command options from gemrc. # # gemrc is a YAML file that uses strings to match gem command arguments and # symbols to match RubyGems options. # # Gem command arguments use a String key that matches the command name and # allow you to specify default arguments: # # install: --no-rdoc --no-ri # update: --no-rdoc --no-ri # # You can use <tt>gem:</tt> to set default arguments for all commands. # # RubyGems options use symbol keys. Valid options are: # # +:backtrace+:: See #backtrace # +:sources+:: Sets Gem::sources # +:verbose+:: See #verbose # +:concurrent_downloads+:: See #concurrent_downloads # # gemrc files may exist in various locations and are read and merged in # the following order: # # - system wide (/etc/gemrc) # - per user (~/.gemrc) # - per environment (gemrc files listed in the GEMRC environment variable) class Gem::ConfigFile include Gem::UserInteraction DEFAULT_BACKTRACE = false DEFAULT_BULK_THRESHOLD = 1000 DEFAULT_VERBOSITY = true DEFAULT_UPDATE_SOURCES = true DEFAULT_CONCURRENT_DOWNLOADS = 8 DEFAULT_CERT_EXPIRATION_LENGTH_DAYS = 365 ## # For Ruby packagers to set configuration defaults. Set in # rubygems/defaults/operating_system.rb OPERATING_SYSTEM_DEFAULTS = Gem.operating_system_defaults ## # For Ruby implementers to set configuration defaults. Set in # rubygems/defaults/#{RUBY_ENGINE}.rb PLATFORM_DEFAULTS = Gem.platform_defaults # :stopdoc: SYSTEM_CONFIG_PATH = begin require "etc" Etc.sysconfdir rescue LoadError, NoMethodError RbConfig::CONFIG["sysconfdir"] \|\| "/etc" end # :startdoc: SYSTEM_WIDE_CONFIG_FILE = File.join SYSTEM_CONFIG_PATH, 'gemrc' ## # List of arguments supplied to the config file object. attr_reader :args ## # Where to look for gems (deprecated) attr_accessor :path ## # Where to install gems (deprecated) attr_accessor :home ## # True if we print backtraces on errors. attr_writer :backtrace ## # Bulk threshold value. If the number of missing gems are above this # threshold value, then a bulk download technique is used. (deprecated) attr_accessor :bulk_threshold ## # Verbose level of output: # * false -- No output # * true -- Normal output # * :loud -- Extra output attr_accessor :verbose ## # Number of gem downloads that should be performed concurrently. attr_accessor :concurrent_downloads ## # True if we want to update the SourceInfoCache every time, false otherwise attr_accessor :update_sources ## # True if we want to force specification of gem server when pushing a gem attr_accessor :disable_default_gem_server # openssl verify mode value, used for remote https connection attr_reader :ssl_verify_mode ## # Path name of directory or file of openssl CA certificate, used for remote # https connection attr_accessor :ssl_ca_cert ## # sources to look for gems attr_accessor :sources ## # Expiration length to sign a certificate attr_accessor :cert_expiration_length_days ## # Path name of directory or file of openssl client certificate, used for remote https connection with client authentication attr_reader :ssl_client_cert ## # Create the config file object. +args+ is the list of arguments # from the command line. # # The following command line options are handled early here rather # than later at the time most command options are processed. # # <tt>--config-file</tt>, <tt>--config-file==NAME</tt>:: # Obviously these need to be handled by the ConfigFile object to ensure we # get the right config file. # # <tt>--backtrace</tt>:: # Backtrace needs to be turned on early so that errors before normal # option parsing can be properly handled. # # <tt>--debug</tt>:: # Enable Ruby level debug messages. Handled early for the same reason as # --backtrace. #-- # TODO: parse options upstream, pass in options directly def initialize(args) set_config_file_name(args) @backtrace = DEFAULT_BACKTRACE @bulk_threshold = DEFAULT_BULK_THRESHOLD @verbose = DEFAULT_VERBOSITY @update_sources = DEFAULT_UPDATE_SOURCES @concurrent_downloads = DEFAULT_CONCURRENT_DOWNLOADS @cert_expiration_length_days = DEFAULT_CERT_EXPIRATION_LENGTH_DAYS operating_system_config = Marshal.load Marshal.dump(OPERATING_SYSTEM_DEFAULTS) platform_config = Marshal.load Marshal.dump(PLATFORM_DEFAULTS) system_config = load_file SYSTEM_WIDE_CONFIG_FILE user_config = load_file config_file_name.dup.tap(&Gem::UNTAINT) environment_config = (ENV['GEMRC'] \|\| '') .split(File::PATH_SEPARATOR).inject({}) do \|result, file\| result.merge load_file file end @hash = operating_system_config.merge platform_config unless args.index '--norc' @hash = @hash.merge system_config @hash = @hash.merge user_config @hash = @hash.merge environment_config end # HACK these override command-line args, which is bad @backtrace = @hash[:backtrace] if @hash.key? :backtrace @bulk_threshold = @hash[:bulk_threshold] if @hash.key? :bulk_threshold @home = @hash[:gemhome] if @hash.key? :gemhome @path = @hash[:gempath] if @hash.key? :gempath @update_sources = @hash[:update_sources] if @hash.key? :update_sources @verbose = @hash[:verbose] if @hash.key? :verbose @disable_default_gem_server = @hash[:disable_default_gem_server] if @hash.key? :disable_default_gem_server @sources = @hash[:sources] if @hash.key? :sources @cert_expiration_length_days = @hash[:cert_expiration_length_days] if @hash.key? :cert_expiration_length_days @ssl_verify_mode = @hash[:ssl_verify_mode] if @hash.key? :ssl_verify_mode @ssl_ca_cert = @hash[:ssl_ca_cert] if @hash.key? :ssl_ca_cert @ssl_client_cert = @hash[:ssl_client_cert] if @hash.key? :ssl_client_cert @api_keys = nil @rubygems_api_key = nil handle_arguments args end ## # Hash of RubyGems.org and alternate API keys def api_keys load_api_keys unless @api_keys @api_keys end ## # Checks the permissions of the credentials file. If they are not 0600 an # error message is displayed and RubyGems aborts. def check_credentials_permissions return if Gem.win_platform? # windows doesn't write 0600 as 0600 return unless File.exist? credentials_path existing_permissions = File.stat(credentials_path).mode & 0777 return if existing_permissions == 0600 alert_error <<-ERROR Your gem push credentials file located at: \t#{credentials_path} has file permissions of 0#{existing_permissions.to_s 8} but 0600 is required. To fix this error run: \tchmod 0600 #{credentials_path} You should reset your credentials at: \thttps://rubygems.org/profile/edit if you believe they were disclosed to a third party. ERROR terminate_interaction 1 end ## # Location of RubyGems.org credentials def credentials_path File.join Gem.user_home, '.gem', 'credentials' end def load_api_keys check_credentials_permissions @api_keys = if File.exist? credentials_path load_file(credentials_path) else @hash end if @api_keys.key? :rubygems_api_key @rubygems_api_key = @api_keys[:rubygems_api_key] @api_keys[:rubygems] = @api_keys.delete :rubygems_api_key unless @api_keys.key? :rubygems end end ## # Returns the RubyGems.org API key def rubygems_api_key load_api_keys unless @rubygems_api_key @rubygems_api_key end ## # Sets the RubyGems.org API key to +api_key+ def rubygems_api_key=(api_key) set_api_key :rubygems_api_key, api_key @rubygems_api_key = api_key end ## # Set a specific host's API key to +api_key+ def set_api_key(host, api_key) check_credentials_permissions config = load_file(credentials_path).merge(host => api_key) dirname = File.dirname credentials_path Dir.mkdir(dirname) unless File.exist? dirname Gem.load_yaml permissions = 0600 & (~File.umask) File.open(credentials_path, 'w', permissions) do \|f\| f.write config.to_yaml end load_api_keys # reload end ## # Remove the +~/.gem/credentials+ file to clear all the current sessions. def unset_api_key! return false unless File.exist?(credentials_path) File.delete(credentials_path) end def load_file(filename) Gem.load_yaml yaml_errors = [ArgumentError] yaml_errors << Psych::SyntaxError if defined?(Psych::SyntaxError) return {} unless filename && !filename.empty? && File.exist?(filename) begin content = Gem::SafeYAML.load(File.read(filename)) unless content.kind_of? Hash warn "Failed to load #{filename} because it doesn't contain valid YAML hash" return {} end return content rescue yaml_errors => e warn "Failed to load #{filename}, #{e}" rescue Errno::EACCES warn "Failed to load #{filename} due to permissions problem." end {} end # True if the backtrace option has been specified, or debug is on. def backtrace @backtrace or $DEBUG end # The name of the configuration file. def config_file_name @config_file_name \|\| Gem.config_file end # Delegates to @hash def each(&block) hash = @hash.dup hash.delete :update_sources hash.delete :verbose hash.delete :backtrace hash.delete :bulk_threshold yield :update_sources, @update_sources yield :verbose, @verbose yield :backtrace, @backtrace yield :bulk_threshold, @bulk_threshold yield 'config_file_name', @config_file_name if @config_file_name hash.each(&block) end # Handle the command arguments. def handle_arguments(arg_list) @args = [] arg_list.each do \|arg\| case arg when /^--(backtrace\|traceback)$/ then @backtrace = true when /^--debug$/ then $DEBUG = true warn 'NOTE: Debugging mode prints all exceptions even when rescued' else @args << arg end end end # Really verbose mode gives you extra output. def really_verbose case verbose when true, false, nil then false else true end end # to_yaml only overwrites things you can't override on the command line. def to_yaml # :nodoc: yaml_hash = {} yaml_hash[:backtrace] = @hash.fetch(:backtrace, DEFAULT_BACKTRACE) yaml_hash[:bulk_threshold] = @hash.fetch(:bulk_threshold, DEFAULT_BULK_THRESHOLD) yaml_hash[:sources] = Gem.sources.to_a yaml_hash[:update_sources] = @hash.fetch(:update_sources, DEFAULT_UPDATE_SOURCES) yaml_hash[:verbose] = @hash.fetch(:verbose, DEFAULT_VERBOSITY) yaml_hash[:concurrent_downloads] = @hash.fetch(:concurrent_downloads, DEFAULT_CONCURRENT_DOWNLOADS) yaml_hash[:ssl_verify_mode] = @hash[:ssl_verify_mode] if @hash.key? :ssl_verify_mode yaml_hash[:ssl_ca_cert] = @hash[:ssl_ca_cert] if @hash.key? :ssl_ca_cert yaml_hash[:ssl_client_cert] = @hash[:ssl_client_cert] if @hash.key? :ssl_client_cert keys = yaml_hash.keys.map { \|key\| key.to_s } keys << 'debug' re = Regexp.union(keys) @hash.each do \|key, value\| key = key.to_s next if key =~ re yaml_hash[key.to_s] = value end yaml_hash.to_yaml end # Writes out this config file, replacing its source. def write File.open config_file_name, 'w' do \|io\| io.write to_yaml end end # Return the configuration information for +key+. def [](key) @hash[key.to_s] end # Set configuration option +key+ to +value+. def []=(key, value) @hash[key.to_s] = value end def ==(other) # :nodoc: self.class === other and @backtrace == other.backtrace and @bulk_threshold == other.bulk_threshold and @verbose == other.verbose and @update_sources == other.update_sources and @hash == other.hash end attr_reader :hash protected :hash private def set_config_file_name(args) @config_file_name = ENV["GEMRC"] need_config_file_name = false args.each do \|arg\| if need_config_file_name @config_file_name = arg need_config_file_name = false elsif arg =~ /^--config-file=(.*)/ @config_file_name = $1 elsif arg =~ /^--config-file$/ need_config_file_name = true end end end end Back

Edit File : config_file.rb | Size : 12.69 KB

# frozen_string_literal: true
#--
# Copyright 2006 by Chad Fowler, Rich Kilmer, Jim Weirich and others.
# All rights reserved.
# See LICENSE.txt for permissions.
#++

require 'rubygems/user_interaction'
require 'rbconfig'

##
# Gem::ConfigFile RubyGems options and gem command options from gemrc.
#
# gemrc is a YAML file that uses strings to match gem command arguments and
# symbols to match RubyGems options.
#
# Gem command arguments use a String key that matches the command name and
# allow you to specify default arguments:
#
#   install: --no-rdoc --no-ri
#   update: --no-rdoc --no-ri
#
# You can use <tt>gem:</tt> to set default arguments for all commands.
#
# RubyGems options use symbol keys.  Valid options are:
#
# +:backtrace+:: See #backtrace
# +:sources+:: Sets Gem::sources
# +:verbose+:: See #verbose
# +:concurrent_downloads+:: See #concurrent_downloads
#
# gemrc files may exist in various locations and are read and merged in
# the following order:
#
# - system wide (/etc/gemrc)
# - per user (~/.gemrc)
# - per environment (gemrc files listed in the GEMRC environment variable)

class Gem::ConfigFile

include Gem::UserInteraction

DEFAULT_BACKTRACE = false
  DEFAULT_BULK_THRESHOLD = 1000
  DEFAULT_VERBOSITY = true
  DEFAULT_UPDATE_SOURCES = true
  DEFAULT_CONCURRENT_DOWNLOADS = 8
  DEFAULT_CERT_EXPIRATION_LENGTH_DAYS = 365

##
  # For Ruby packagers to set configuration defaults.  Set in
  # rubygems/defaults/operating_system.rb

OPERATING_SYSTEM_DEFAULTS = Gem.operating_system_defaults

##
  # For Ruby implementers to set configuration defaults.  Set in
  # rubygems/defaults/#{RUBY_ENGINE}.rb

PLATFORM_DEFAULTS = Gem.platform_defaults

# :stopdoc:

SYSTEM_CONFIG_PATH =
    begin
      require "etc"
      Etc.sysconfdir
    rescue LoadError, NoMethodError
      RbConfig::CONFIG["sysconfdir"] || "/etc"
    end

# :startdoc:

SYSTEM_WIDE_CONFIG_FILE = File.join SYSTEM_CONFIG_PATH, 'gemrc'

##
  # List of arguments supplied to the config file object.

attr_reader :args

##
  # Where to look for gems (deprecated)

attr_accessor :path

##
  # Where to install gems (deprecated)

attr_accessor :home

##
  # True if we print backtraces on errors.

attr_writer :backtrace

##
  # Bulk threshold value.  If the number of missing gems are above this
  # threshold value, then a bulk download technique is used.  (deprecated)

attr_accessor :bulk_threshold

##
  # Verbose level of output:
  # * false -- No output
  # * true -- Normal output
  # * :loud -- Extra output

attr_accessor :verbose

##
  # Number of gem downloads that should be performed concurrently.

attr_accessor :concurrent_downloads

##
  # True if we want to update the SourceInfoCache every time, false otherwise

attr_accessor :update_sources

##
  # True if we want to force specification of gem server when pushing a gem

attr_accessor :disable_default_gem_server

# openssl verify mode value, used for remote https connection

attr_reader :ssl_verify_mode

##
  # Path name of directory or file of openssl CA certificate, used for remote
  # https connection

attr_accessor :ssl_ca_cert

##
  # sources to look for gems
  attr_accessor :sources

##
  # Expiration length to sign a certificate

attr_accessor :cert_expiration_length_days

##
  # Path name of directory or file of openssl client certificate, used for remote https connection with client authentication

attr_reader :ssl_client_cert

##
  # Create the config file object.  +args+ is the list of arguments
  # from the command line.
  #
  # The following command line options are handled early here rather
  # than later at the time most command options are processed.
  #
  # <tt>--config-file</tt>, <tt>--config-file==NAME</tt>::
  #   Obviously these need to be handled by the ConfigFile object to ensure we
  #   get the right config file.
  #
  # <tt>--backtrace</tt>::
  #   Backtrace needs to be turned on early so that errors before normal
  #   option parsing can be properly handled.
  #
  # <tt>--debug</tt>::
  #   Enable Ruby level debug messages.  Handled early for the same reason as
  #   --backtrace.
  #--
  # TODO: parse options upstream, pass in options directly

def initialize(args)
    set_config_file_name(args)

@backtrace = DEFAULT_BACKTRACE
    @bulk_threshold = DEFAULT_BULK_THRESHOLD
    @verbose = DEFAULT_VERBOSITY
    @update_sources = DEFAULT_UPDATE_SOURCES
    @concurrent_downloads = DEFAULT_CONCURRENT_DOWNLOADS
    @cert_expiration_length_days = DEFAULT_CERT_EXPIRATION_LENGTH_DAYS

operating_system_config = Marshal.load Marshal.dump(OPERATING_SYSTEM_DEFAULTS)
    platform_config = Marshal.load Marshal.dump(PLATFORM_DEFAULTS)
    system_config = load_file SYSTEM_WIDE_CONFIG_FILE
    user_config = load_file config_file_name.dup.tap(&Gem::UNTAINT)

environment_config = (ENV['GEMRC'] || '')
      .split(File::PATH_SEPARATOR).inject({}) do |result, file|
        result.merge load_file file
      end

@hash = operating_system_config.merge platform_config
    unless args.index '--norc'
      @hash = @hash.merge system_config
      @hash = @hash.merge user_config
      @hash = @hash.merge environment_config
    end

# HACK these override command-line args, which is bad
    @backtrace                   = @hash[:backtrace]                   if @hash.key? :backtrace
    @bulk_threshold              = @hash[:bulk_threshold]              if @hash.key? :bulk_threshold
    @home                        = @hash[:gemhome]                     if @hash.key? :gemhome
    @path                        = @hash[:gempath]                     if @hash.key? :gempath
    @update_sources              = @hash[:update_sources]              if @hash.key? :update_sources
    @verbose                     = @hash[:verbose]                     if @hash.key? :verbose
    @disable_default_gem_server  = @hash[:disable_default_gem_server]  if @hash.key? :disable_default_gem_server
    @sources                     = @hash[:sources]                     if @hash.key? :sources
    @cert_expiration_length_days = @hash[:cert_expiration_length_days] if @hash.key? :cert_expiration_length_days

@ssl_verify_mode  = @hash[:ssl_verify_mode]  if @hash.key? :ssl_verify_mode
    @ssl_ca_cert      = @hash[:ssl_ca_cert]      if @hash.key? :ssl_ca_cert
    @ssl_client_cert  = @hash[:ssl_client_cert]  if @hash.key? :ssl_client_cert

@api_keys         = nil
    @rubygems_api_key = nil

handle_arguments args
  end

##
  # Hash of RubyGems.org and alternate API keys

def api_keys
    load_api_keys unless @api_keys

@api_keys
  end

##
  # Checks the permissions of the credentials file.  If they are not 0600 an
  # error message is displayed and RubyGems aborts.

def check_credentials_permissions
    return if Gem.win_platform? # windows doesn't write 0600 as 0600
    return unless File.exist? credentials_path

existing_permissions = File.stat(credentials_path).mode & 0777

return if existing_permissions == 0600

alert_error <<-ERROR
Your gem push credentials file located at:

\t#{credentials_path}

has file permissions of 0#{existing_permissions.to_s 8} but 0600 is required.

To fix this error run:

\tchmod 0600 #{credentials_path}

You should reset your credentials at:

\thttps://rubygems.org/profile/edit

if you believe they were disclosed to a third party.
    ERROR

terminate_interaction 1
  end

##
  # Location of RubyGems.org credentials

def credentials_path
    File.join Gem.user_home, '.gem', 'credentials'
  end

def load_api_keys
    check_credentials_permissions

@api_keys = if File.exist? credentials_path
                  load_file(credentials_path)
                else
                  @hash
                end

if @api_keys.key? :rubygems_api_key
      @rubygems_api_key    = @api_keys[:rubygems_api_key]
      @api_keys[:rubygems] = @api_keys.delete :rubygems_api_key unless
        @api_keys.key? :rubygems
    end
  end

##
  # Returns the RubyGems.org API key

def rubygems_api_key
    load_api_keys unless @rubygems_api_key

@rubygems_api_key
  end

##
  # Sets the RubyGems.org API key to +api_key+

def rubygems_api_key=(api_key)
    set_api_key :rubygems_api_key, api_key

@rubygems_api_key = api_key
  end

##
  # Set a specific host's API key to +api_key+

def set_api_key(host, api_key)
    check_credentials_permissions

config = load_file(credentials_path).merge(host => api_key)

dirname = File.dirname credentials_path
    Dir.mkdir(dirname) unless File.exist? dirname

Gem.load_yaml

permissions = 0600 & (~File.umask)
    File.open(credentials_path, 'w', permissions) do |f|
      f.write config.to_yaml
    end

load_api_keys # reload
  end

##
  # Remove the +~/.gem/credentials+ file to clear all the current sessions.

def unset_api_key!
    return false unless File.exist?(credentials_path)

File.delete(credentials_path)
  end

def load_file(filename)
    Gem.load_yaml

yaml_errors = [ArgumentError]
    yaml_errors << Psych::SyntaxError if defined?(Psych::SyntaxError)

return {} unless filename && !filename.empty? && File.exist?(filename)

begin
      content = Gem::SafeYAML.load(File.read(filename))
      unless content.kind_of? Hash
        warn "Failed to load #{filename} because it doesn't contain valid YAML hash"
        return {}
      end
      return content
    rescue *yaml_errors => e
      warn "Failed to load #{filename}, #{e}"
    rescue Errno::EACCES
      warn "Failed to load #{filename} due to permissions problem."
    end

{}
  end

# True if the backtrace option has been specified, or debug is on.
  def backtrace
    @backtrace or $DEBUG
  end

# The name of the configuration file.
  def config_file_name
    @config_file_name || Gem.config_file
  end

# Delegates to @hash
  def each(&block)
    hash = @hash.dup
    hash.delete :update_sources
    hash.delete :verbose
    hash.delete :backtrace
    hash.delete :bulk_threshold

yield :update_sources, @update_sources
    yield :verbose, @verbose
    yield :backtrace, @backtrace
    yield :bulk_threshold, @bulk_threshold

yield 'config_file_name', @config_file_name if @config_file_name

hash.each(&block)
  end

# Handle the command arguments.
  def handle_arguments(arg_list)
    @args = []

arg_list.each do |arg|
      case arg
      when /^--(backtrace|traceback)$/ then
        @backtrace = true
      when /^--debug$/ then
        $DEBUG = true

warn 'NOTE:  Debugging mode prints all exceptions even when rescued'
      else
        @args << arg
      end
    end
  end

# Really verbose mode gives you extra output.
  def really_verbose
    case verbose
    when true, false, nil then
      false
    else
      true
    end
  end

# to_yaml only overwrites things you can't override on the command line.
  def to_yaml # :nodoc:
    yaml_hash = {}
    yaml_hash[:backtrace] = @hash.fetch(:backtrace, DEFAULT_BACKTRACE)
    yaml_hash[:bulk_threshold] = @hash.fetch(:bulk_threshold, DEFAULT_BULK_THRESHOLD)
    yaml_hash[:sources] = Gem.sources.to_a
    yaml_hash[:update_sources] = @hash.fetch(:update_sources, DEFAULT_UPDATE_SOURCES)
    yaml_hash[:verbose] = @hash.fetch(:verbose, DEFAULT_VERBOSITY)

yaml_hash[:concurrent_downloads] =
      @hash.fetch(:concurrent_downloads, DEFAULT_CONCURRENT_DOWNLOADS)

yaml_hash[:ssl_verify_mode] =
      @hash[:ssl_verify_mode] if @hash.key? :ssl_verify_mode

yaml_hash[:ssl_ca_cert] =
      @hash[:ssl_ca_cert] if @hash.key? :ssl_ca_cert

yaml_hash[:ssl_client_cert] =
      @hash[:ssl_client_cert] if @hash.key? :ssl_client_cert

keys = yaml_hash.keys.map { |key| key.to_s }
    keys << 'debug'
    re = Regexp.union(*keys)

@hash.each do |key, value|
      key = key.to_s
      next if key =~ re
      yaml_hash[key.to_s] = value
    end

yaml_hash.to_yaml
  end

# Writes out this config file, replacing its source.
  def write
    File.open config_file_name, 'w' do |io|
      io.write to_yaml
    end
  end

# Return the configuration information for +key+.
  def [](key)
    @hash[key.to_s]
  end

# Set configuration option +key+ to +value+.
  def []=(key, value)
    @hash[key.to_s] = value
  end

def ==(other) # :nodoc:
    self.class === other and
      @backtrace == other.backtrace and
      @bulk_threshold == other.bulk_threshold and
      @verbose == other.verbose and
      @update_sources == other.update_sources and
      @hash == other.hash
  end

attr_reader :hash
  protected :hash

private

def set_config_file_name(args)
    @config_file_name = ENV["GEMRC"]
    need_config_file_name = false

args.each do |arg|
      if need_config_file_name
        @config_file_name = arg
        need_config_file_name = false
      elsif arg =~ /^--config-file=(.*)/
        @config_file_name = $1
      elsif arg =~ /^--config-file$/
        need_config_file_name = true
      end
    end
  end

end

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