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|
require 'fileutils'
require 'pathname'
require 'yaml'
require 'bundler/rubygems_ext'
require 'bundler/version'
module Bundler
autoload :Definition, 'bundler/definition'
autoload :Dependency, 'bundler/dependency'
autoload :Dsl, 'bundler/dsl'
autoload :Environment, 'bundler/environment'
autoload :Index, 'bundler/index'
autoload :Installer, 'bundler/installer'
autoload :RemoteSpecification, 'bundler/remote_specification'
autoload :Resolver, 'bundler/resolver'
autoload :Runtime, 'bundler/runtime'
autoload :Settings, 'bundler/settings'
autoload :SharedHelpers, 'bundler/shared_helpers'
autoload :SpecSet, 'bundler/spec_set'
autoload :Source, 'bundler/source'
autoload :Specification, 'bundler/shared_helpers'
autoload :UI, 'bundler/ui'
GEM_LOADED = true
ORIGINAL_ENV = ENV.to_hash
class BundlerError < StandardError
def self.status_code(code = nil)
return @code unless code
@code = code
end
def status_code
self.class.status_code
end
end
class GemfileNotFound < BundlerError; status_code(10) ; end
class GemNotFound < BundlerError; status_code(7) ; end
class VersionConflict < BundlerError; status_code(6) ; end
class GemfileError < BundlerError; status_code(4) ; end
class GemfileChanged < GemfileError; status_code(4) ; end
class PathError < BundlerError; status_code(13) ; end
class GitError < BundlerError; status_code(11) ; end
class GemspecError < BundlerError; status_code(14) ; end
class DeprecatedMethod < BundlerError; status_code(12) ; end
class DeprecatedOption < BundlerError; status_code(12) ; end
class InvalidOption < BundlerError; status_code(15) ; end
class << self
attr_writer :ui, :bundle_path
def configure
@configured ||= begin
configure_gem_home_and_path
true
end
end
def ui
@ui ||= UI.new
end
def bundle_path
@bundle_path ||= begin
path = settings[:path] || "#{Gem.user_home}/.bundle/#{Gem.ruby_engine}/#{Gem::ConfigMap[:ruby_version]}"
Pathname.new(path).expand_path(root)
end
end
def gem_setup(*groups)
return @setup if @setup
if groups.empty?
# Load all groups, but only once
@setup = load.setup
else
# Figure out which groups haven't been loaded yet
unloaded = groups - (@completed_groups || [])
# Record groups that are now loaded
@completed_groups = groups | (@completed_groups || [])
# Load any groups that are not yet loaded
unloaded.any? ? load.setup(*unloaded) : load
end
end
alias setup gem_setup unless defined?(Bundler::ENV_LOADED)
def gem_require(*groups)
setup(*groups).require(*groups)
end
alias require gem_require unless defined?(Bundler::ENV_LOADED)
def load
@load ||= begin
if !update_env_file?
Kernel.require env_file
Bundler
else
runtime
end
end
end
def runtime
@runtime ||= Runtime.new(root, definition)
end
def definition
configure
lockfile = root.join("Gemfile.lock")
if lockfile.exist?
Definition.from_lock(lockfile)
else
Definition.from_gemfile(default_gemfile)
end
end
def home
bundle_path.join("bundler")
end
def install_path
home.join("gems")
end
def specs_path
bundle_path.join("specifications")
end
def cache
bundle_path.join("cache/bundler")
end
def root
default_gemfile.dirname
end
def app_config_path
SharedHelpers.app_config_path
end
def settings
@settings ||= Settings.new(app_config_path)
end
def env_file
SharedHelpers.env_file
end
def with_clean_env
bundled_env = ENV.to_hash
ENV.replace(ORIGINAL_ENV)
yield
ensure
ENV.replace(bundled_env.to_hash)
end
def default_gemfile
SharedHelpers.default_gemfile
end
private
def configure_gem_home_and_path
if settings[:disable_shared_gems]
ENV['GEM_PATH'] = ''
ENV['GEM_HOME'] = File.expand_path(bundle_path, root)
else
paths = [Gem.dir, Gem.path].flatten.compact.uniq.reject{|p| p.empty? }
ENV["GEM_PATH"] = paths.join(File::PATH_SEPARATOR)
ENV["GEM_HOME"] = bundle_path.to_s
end
Gem.clear_paths
end
def update_env_file?
if env_file.exist?
outdated = (env_file.read(100) !~ /Bundler #{Bundler::VERSION}/)
writable = env_file.writable?
if outdated && !writable
STDERR.puts "Cannot write to outdated .bundle/environment.rb to update it"
end
outdated && writable
else
true
end
end
end
end
|
