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Bundler::RubygemsIntegration

Public Class Methods

provides?(req_str) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 11
def self.provides?(req_str)
  Gem::Requirement.new(req_str).satisfied_by?(version)
end
version() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 7
def self.version
  @version ||= Gem::Version.new(Gem::VERSION)
end

Public Instance Methods

backport_base_dir() click to toggle source

This backports base_dir which replaces installation path Rubygems 1.8+

# File lib/bundler/rubygems_integration.rb, line 367
def backport_base_dir
  redefine_method(Gem::Specification, :base_dir) do
    return Gem.dir unless loaded_from
    File.dirname File.dirname loaded_from
  end
end
backport_cache_file() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 374
def backport_cache_file
  redefine_method(Gem::Specification, :cache_dir) do
    @cache_dir ||= File.join base_dir, "cache"
  end

  redefine_method(Gem::Specification, :cache_file) do
    @cache_file ||= File.join cache_dir, "#{full_name}.gem"
  end
end
backport_segment_generation() click to toggle source

This backports the correct segment generation code from Rubygems 1.4+ by monkeypatching it into the method in Rubygems 1.3.6 and 1.3.7.

# File lib/bundler/rubygems_integration.rb, line 348
def backport_segment_generation
  redefine_method(Gem::Version, :segments) do
    @segments ||= @version.scan(/[0-9]+|[a-z]+/).map do |s|
      /^\d+$/ =~ s ? s.to_i : s
    end
  end
end
backport_spec_file() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 384
def backport_spec_file
  redefine_method(Gem::Specification, :spec_dir) do
    @spec_dir ||= File.join base_dir, "specifications"
  end

  redefine_method(Gem::Specification, :spec_file) do
    @spec_file ||= File.join spec_dir, "#{full_name}.gemspec"
  end
end
backport_yaml_initialize() click to toggle source

This backport fixes the marshaling of @segments.

# File lib/bundler/rubygems_integration.rb, line 357
def backport_yaml_initialize
  redefine_method(Gem::Version, :yaml_initialize) do |tag, map|
    @version = map['version']
    @segments = nil
    @hash = nil
  end
end
bin_path(gem, bin, ver) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 124
def bin_path(gem, bin, ver)
  Gem.bin_path(gem, bin, ver)
end
build(spec, skip_validation = false) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 190
def build(spec, skip_validation = false)
  require 'rubygems/builder'
  Gem::Builder.new(spec).build
end
build_args() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 23
def build_args
  Gem::Command.build_args
end
build_args=(args) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 27
def build_args=(args)
  Gem::Command.build_args = args
end
build_gem(gem_dir, spec) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 195
def build_gem(gem_dir, spec)
  SharedHelpers.chdir(gem_dir) { build(spec) }
end
clear_paths() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 120
def clear_paths
  Gem.clear_paths
end
config_map() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 112
def config_map
  Gem::ConfigMap
end
configuration() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 47
def configuration
  Gem.configuration
rescue Gem::SystemExitException => e
  Bundler.ui.error "#{e.class}: #{e.message}"
  Bundler.ui.trace e
  raise Gem::SystemExitException
end
download_gem(spec, uri, path) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 199
def download_gem(spec, uri, path)
  uri = Bundler::Source.mirror_for(uri)
  fetcher = Gem::RemoteFetcher.new(configuration[:http_proxy])
  fetcher.download(spec, uri, path)
end
fetch_all_remote_specs() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 149
def fetch_all_remote_specs
  # Fetch all specs, minus prerelease specs
  spec_list = fetch_specs(true, false)
  # Then fetch the prerelease specs
  fetch_prerelease_specs.each {|k, v| spec_list[k] += v }

  return spec_list
end
fetch_prerelease_specs() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 143
def fetch_prerelease_specs
  fetch_specs(false, true)
rescue Gem::RemoteFetcher::FetchError
  [] # if we can't download them, there aren't any
end
fetch_specs(all, pre, &blk) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 137
def fetch_specs(all, pre, &blk)
  specs = Gem::SpecFetcher.new.list(all, pre)
  specs.each { yield } if block_given?
  specs
end
gem_bindir() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 84
def gem_bindir
  Gem.bindir
end
gem_cache() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 96
def gem_cache
  gem_path.map{|p| File.expand_path("cache", p) }
end
gem_dir() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 80
def gem_dir
  Gem.dir
end
gem_from_path(path, policy = nil) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 168
def gem_from_path(path, policy = nil)
  require 'rubygems/format'
  Gem::Format.from_file_by_path(path, policy)
end
gem_path() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 92
def gem_path
  Gem.path
end
inflate(obj) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 63
def inflate(obj)
  Gem.inflate(obj)
end
loaded_specs(name) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 31
def loaded_specs(name)
  Gem.loaded_specs[name]
end
mark_loaded(spec) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 35
def mark_loaded(spec)
  Gem.loaded_specs[spec.name] = spec
end
marshal_spec_dir() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 108
def marshal_spec_dir
  Gem::MARSHAL_SPEC_DIR
end
path(obj) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 39
def path(obj)
  obj.to_s
end
platforms() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 43
def platforms
  Gem.platforms
end
preserve_paths() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 128
def preserve_paths
  # this is a no-op outside of Rubygems 1.8
  yield
end
provides?(req_str) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 19
def provides?(req_str)
  self.class.provides?(req_str)
end
read_binary(path) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 59
def read_binary(path)
  Gem.read_binary(path)
end
redefine_method(klass, method, &block) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 394
def redefine_method(klass, method, &block)
  if klass.instance_methods(false).include?(method)
    klass.send(:remove_method, method)
  end
  klass.send(:define_method, method, &block)
end
replace_bin_path(specs) click to toggle source

Used to make bin stubs that are not created by bundler work under bundler. The new Gem.bin_path only considers gems in specs

# File lib/bundler/rubygems_integration.rb, line 296
def replace_bin_path(specs)
  gem_class = (class << Gem ; self ; end)
  redefine_method(gem_class, :bin_path) do |name, *args|
    exec_name = args.first

    if exec_name == 'bundle'
      return ENV['BUNDLE_BIN_PATH']
    end

    spec = nil

    if exec_name
      spec = specs.find { |s| s.executables.include?(exec_name) }
      unless spec.name == name
        warn "Bundler is using a binstub that was created for a different gem.\n"                "This is deprecated, in future versions you may need to `bundle binstub #{name}` "                "to work around a system/bundle conflict."
      end
      spec or raise Gem::Exception, "can't find executable #{exec_name}"
    else
      spec = specs.find  { |s| s.name == name }
      exec_name = spec.default_executable or raise Gem::Exception, "no default executable for #{spec.full_name}"
    end

    gem_bin = File.join(spec.full_gem_path, spec.bindir, exec_name)
    gem_from_path_bin = File.join(File.dirname(spec.loaded_from), spec.bindir, exec_name)
    File.exist?(gem_bin) ? gem_bin : gem_from_path_bin
  end
end
replace_entrypoints(specs) click to toggle source

Replace or hook into Rubygems to provide a bundlerized view of the world.

# File lib/bundler/rubygems_integration.rb, line 335
def replace_entrypoints(specs)
  replace_gem(specs)

  stub_rubygems(specs)

  replace_bin_path(specs)
  replace_refresh

  Gem.clear_paths
end
replace_gem(specs) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 230
def replace_gem(specs)
  reverse_rubygems_kernel_mixin

  executables = specs.map { |s| s.executables }.flatten

  ::Kernel.send(:define_method, :gem) do |dep, *reqs|
    if executables.include? File.basename(caller.first.split(':').first)
      return
    end
    reqs.pop if reqs.last.is_a?(Hash)

    unless dep.respond_to?(:name) && dep.respond_to?(:requirement)
      dep = Gem::Dependency.new(dep, reqs)
    end

    spec = specs.find  { |s| s.name == dep.name }

    if spec.nil?

      e = Gem::LoadError.new "#{dep.name} is not part of the bundle. Add it to Gemfile."
      e.name = dep.name
      if e.respond_to?(:requirement=)
        e.requirement = dep.requirement
      else
        e.version_requirement = dep.requirement
      end
      raise e
    elsif dep !~ spec
      e = Gem::LoadError.new "can't activate #{dep}, already activated #{spec.full_name}. "                                   "Make sure all dependencies are added to Gemfile."
      e.name = dep.name
      if e.respond_to?(:requirement=)
        e.requirement = dep.requirement
      else
        e.version_requirement = dep.requirement
      end
      raise e
    end

    true
  end
end
replace_refresh() click to toggle source

Because Bundler has a static view of what specs are available, we don’t refresh, so stub it out.

# File lib/bundler/rubygems_integration.rb, line 328
def replace_refresh
  gem_class = (class << Gem ; self ; end)
  redefine_method(gem_class, :refresh) { }
end
repository_subdirectories() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 116
def repository_subdirectories
  ]cache doc gems specifications]
end
reverse_rubygems_kernel_mixin() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 218
def reverse_rubygems_kernel_mixin
  # Disable rubygems' gem activation system
  ::Kernel.class_eval do
    if private_method_defined?(:gem_original_require)
      alias rubygems_require require
      alias require gem_original_require
    end

    undef gem
  end
end
ruby_engine() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 55
def ruby_engine
  Gem.ruby_engine
end
security_policies() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 209
def security_policies
  @security_policies ||= begin
    require 'rubygems/security'
    Gem::Security::Policies
  rescue LoadError, NameError
    {}
  end
end
security_policy_keys() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 205
def security_policy_keys
  %{High Medium Low AlmostNo No}.map { |level| "#{level}Security" }
end
sources() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 76
def sources
  Gem.sources
end
sources=(val) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 67
def sources=(val)
  # Gem.configuration creates a new Gem::ConfigFile, which by default will read ~/.gemrc
  # If that file exists, its settings (including sources) will overwrite the values we
  # are about to set here. In order to avoid that, we force memoizing the config file now.
  configuration

  Gem.sources = val
end
spec_cache_dirs() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 100
def spec_cache_dirs
  @spec_cache_dirs ||= begin
    dirs = gem_path.map {|dir| File.join(dir, 'specifications')}
    dirs << Gem.spec_cache_dir if Gem.respond_to?(:spec_cache_dir) # Not in Rubygems 2.0.3 or earlier
    dirs.uniq.select {|dir| File.directory? dir}
  end
end
spec_from_gem(path, policy = nil) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 173
def spec_from_gem(path, policy = nil)
  require 'rubygems/security'
  gem_from_path(path, security_policies[policy]).spec
rescue Gem::Package::FormatError
  raise GemspecError, "Could not read gem at #{path}. It may be corrupted."
rescue Exception, Gem::Exception, Gem::Security::Exception => e
  if e.is_a?(Gem::Security::Exception) ||
      e.message =~ /unknown trust policy|unsigned gem/ ||
      e.message =~ /couldn't verify (meta)?data signature/
    raise SecurityError,
      "The gem #{File.basename(path, '.gem')} can't be installed because "            "the security policy didn't allow it, with the message: #{e.message}"
  else
    raise e
  end
end
stub_source_index(specs) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 273
def stub_source_index(specs)
  Gem::SourceIndex.send(:alias_method, :old_initialize, :initialize)
  redefine_method(Gem::SourceIndex, :initialize) do |*args|
    @gems = {}
    # You're looking at this thinking: Oh! This is how I make those
    # rubygems deprecations go away!
    #
    # You'd be correct BUT using of this method in production code
    # must be approved by the rubygems team itself!
    #
    # This is your warning. If you use this and don't have approval
    # we can't protect you.
    #
    Deprecate.skip_during do
      self.spec_dirs = *args
      add_specs(*specs)
    end
  end
end
ui=(obj) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 133
def ui=(obj)
  Gem::DefaultUserInteraction.ui = obj
end
user_home() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 88
def user_home
  Gem.user_home
end
version() click to toggle source
# File lib/bundler/rubygems_integration.rb, line 15
def version
  self.class.version
end
with_build_args(args) click to toggle source
# File lib/bundler/rubygems_integration.rb, line 158
def with_build_args(args)
  old_args = self.build_args
  begin
    self.build_args = args
    yield
  ensure
    self.build_args = old_args
  end
end

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