Class: Bundler::RubygemsIntegration

Inherits:
Object
  • Object
show all
Defined in:
lib/bundler/rubygems_integration.rb

Constant Summary collapse

EXT_LOCK =
Monitor.new

Instance Method Summary collapse

Constructor Details

#initializeRubygemsIntegration

Returns a new instance of RubygemsIntegration.



15
16
17
18
# File 'lib/bundler/rubygems_integration.rb', line 15

def initialize
  @replaced_methods = {}
  backport_ext_builder_monitor
end

Instance Method Details

#add_default_gems_to(specs) ⇒ Object

Add default gems not already present in specs, and return them as a hash.



365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
# File 'lib/bundler/rubygems_integration.rb', line 365

def add_default_gems_to(specs)
  specs_by_name = specs.reduce({}) do |h, s|
    h[s.name] = s
    h
  end

  Bundler.rubygems.default_stubs.each do |stub|
    default_spec = stub.to_spec
    default_spec_name = default_spec.name
    next if specs_by_name.key?(default_spec_name)

    specs << default_spec
    specs_by_name[default_spec_name] = default_spec
  end

  specs_by_name
end

#add_to_load_path(paths) ⇒ Object



46
47
48
49
50
51
52
53
54
55
56
# File 'lib/bundler/rubygems_integration.rb', line 46

def add_to_load_path(paths)
  return Gem.add_to_load_path(*paths) if Gem.respond_to?(:add_to_load_path)

  if insert_index = Gem.load_path_insert_index
    # Gem directories must come after -I and ENV['RUBYLIB']
    $LOAD_PATH.insert(insert_index, *paths)
  else
    # We are probably testing in core, -I and RUBYLIB don't apply
    $LOAD_PATH.unshift(*paths)
  end
end

#all_specsObject



511
512
513
514
515
# File 'lib/bundler/rubygems_integration.rb', line 511

def all_specs
  Gem::Specification.stubs.map do |stub|
    StubSpecification.from_stub(stub)
  end
end

#backport_ext_builder_monitorObject



517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
# File 'lib/bundler/rubygems_integration.rb', line 517

def backport_ext_builder_monitor
  # So we can avoid requiring "rubygems/ext" in its entirety
  Gem.module_eval <<-RUBY, __FILE__, __LINE__ + 1
    module Ext
    end
  RUBY

  require "rubygems/ext/builder"

  Gem::Ext::Builder.class_eval do
    unless const_defined?(:CHDIR_MONITOR)
      const_set(:CHDIR_MONITOR, EXT_LOCK)
    end

    remove_const(:CHDIR_MUTEX) if const_defined?(:CHDIR_MUTEX)
    const_set(:CHDIR_MUTEX, const_get(:CHDIR_MONITOR))
  end
end

#bin_path(gem, bin, ver) ⇒ Object



177
178
179
# File 'lib/bundler/rubygems_integration.rb', line 177

def bin_path(gem, bin, ver)
  Gem.bin_path(gem, bin, ver)
end

#build(spec, skip_validation = false) ⇒ Object



502
503
504
505
# File 'lib/bundler/rubygems_integration.rb', line 502

def build(spec, skip_validation = false)
  require "rubygems/package"
  Gem::Package.build(spec, skip_validation)
end

#build_argsObject



32
33
34
35
# File 'lib/bundler/rubygems_integration.rb', line 32

def build_args
  require "rubygems/command"
  Gem::Command.build_args
end

#build_args=(args) ⇒ Object



37
38
39
40
# File 'lib/bundler/rubygems_integration.rb', line 37

def build_args=(args)
  require "rubygems/command"
  Gem::Command.build_args = args
end

#build_gem(gem_dir, spec) ⇒ Object



211
212
213
# File 'lib/bundler/rubygems_integration.rb', line 211

def build_gem(gem_dir, spec)
  build(spec)
end

#clear_pathsObject



173
174
175
# File 'lib/bundler/rubygems_integration.rb', line 173

def clear_paths
  Gem.clear_paths
end

#correct_for_windows_path(path) ⇒ Object



119
120
121
122
123
124
125
126
127
# File 'lib/bundler/rubygems_integration.rb', line 119

def correct_for_windows_path(path)
  if Gem::Util.respond_to?(:correct_for_windows_path)
    Gem::Util.correct_for_windows_path(path)
  elsif path[0].chr == "/" && path[1].chr =~ /[a-z]/i && path[2].chr == ":"
    path[1..-1]
  else
    path
  end
end

#default_stubsObject



545
546
547
# File 'lib/bundler/rubygems_integration.rb', line 545

def default_stubs
  Gem::Specification.default_stubs("*.gemspec")
end

#download_gem(spec, uri, cache_dir) ⇒ Object



465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
# File 'lib/bundler/rubygems_integration.rb', line 465

def download_gem(spec, uri, cache_dir)
  require "rubygems/remote_fetcher"
  uri = Bundler.settings.mirror_for(uri)
  fetcher = gem_remote_fetcher
  fetcher.headers = { "X-Gemfile-Source" => spec.remote.original_uri.to_s } if spec.remote.original_uri
  Bundler::Retry.new("download gem from #{uri}").attempts do
    gem_file_name = spec.file_name
    local_gem_path = File.join cache_dir, gem_file_name
    return if File.exist? local_gem_path

    begin
      remote_gem_path = uri + "gems/#{gem_file_name}"
      remote_gem_path = remote_gem_path.to_s if provides?("< 3.2.0.rc.1")

      SharedHelpers.filesystem_access(local_gem_path) do
        fetcher.cache_update_path remote_gem_path, local_gem_path
      end
    rescue Gem::RemoteFetcher::FetchError
      raise if spec.original_platform == spec.platform

      original_gem_file_name = "#{spec.original_name}.gem"
      raise if gem_file_name == original_gem_file_name

      gem_file_name = original_gem_file_name
      retry
    end
  end
rescue Gem::RemoteFetcher::FetchError => e
  raise Bundler::HTTPError, "Could not download gem from #{uri} due to underlying error <#{e.message}>"
end

#ext_lockObject



202
203
204
# File 'lib/bundler/rubygems_integration.rb', line 202

def ext_lock
  EXT_LOCK
end

#fetch_all_remote_specs(remote) ⇒ Object



458
459
460
461
462
463
# File 'lib/bundler/rubygems_integration.rb', line 458

def fetch_all_remote_specs(remote)
  specs = fetch_specs(remote, "specs")
  pres = fetch_specs(remote, "prerelease_specs") || []

  specs.concat(pres)
end

#fetch_specs(remote, name) ⇒ Object



446
447
448
449
450
451
452
453
454
455
456
# File 'lib/bundler/rubygems_integration.rb', line 446

def fetch_specs(remote, name)
  require "rubygems/remote_fetcher"
  path = remote.uri.to_s + "#{name}.#{Gem.marshal_version}.gz"
  fetcher = gem_remote_fetcher
  fetcher.headers = { "X-Gemfile-Source" => remote.original_uri.to_s } if remote.original_uri
  string = fetcher.fetch_path(path)
  Bundler.load_marshal(string)
rescue Gem::RemoteFetcher::FetchError
  # it's okay for prerelease to fail
  raise unless name == "prerelease_specs"
end

#find_bundler(version) ⇒ Object



536
537
538
# File 'lib/bundler/rubygems_integration.rb', line 536

def find_bundler(version)
  find_name("bundler").find {|s| s.version.to_s == version }
end

#find_name(name) ⇒ Object



540
541
542
# File 'lib/bundler/rubygems_integration.rb', line 540

def find_name(name)
  Gem::Specification.stubs_for(name).map(&:to_spec)
end

#gem_bindirObject



133
134
135
# File 'lib/bundler/rubygems_integration.rb', line 133

def gem_bindir
  Gem.bindir
end

#gem_cacheObject



157
158
159
# File 'lib/bundler/rubygems_integration.rb', line 157

def gem_cache
  gem_path.map {|p| File.expand_path("cache", p) }
end

#gem_dirObject



129
130
131
# File 'lib/bundler/rubygems_integration.rb', line 129

def gem_dir
  Gem.dir
end

#gem_pathObject



141
142
143
# File 'lib/bundler/rubygems_integration.rb', line 141

def gem_path
  Gem.path
end

#gem_remote_fetcherObject



496
497
498
499
500
# File 'lib/bundler/rubygems_integration.rb', line 496

def gem_remote_fetcher
  require "rubygems/remote_fetcher"
  proxy = Gem.configuration[:http_proxy]
  Gem::RemoteFetcher.new(proxy)
end

#inflate(obj) ⇒ Object



115
116
117
# File 'lib/bundler/rubygems_integration.rb', line 115

def inflate(obj)
  Gem::Util.inflate(obj)
end

#load_env_pluginsObject



194
195
196
# File 'lib/bundler/rubygems_integration.rb', line 194

def load_env_plugins
  Gem.load_env_plugins if Gem.respond_to?(:load_env_plugins)
end

#load_plugin_files(files) ⇒ Object



190
191
192
# File 'lib/bundler/rubygems_integration.rb', line 190

def load_plugin_files(files)
  Gem.load_plugin_files(files) if Gem.respond_to?(:load_plugin_files)
end

#load_pluginsObject



186
187
188
# File 'lib/bundler/rubygems_integration.rb', line 186

def load_plugins
  Gem.load_plugins if Gem.respond_to?(:load_plugins)
end

#loaded_gem_pathsObject



181
182
183
184
# File 'lib/bundler/rubygems_integration.rb', line 181

def loaded_gem_paths
  loaded_gem_paths = Gem.loaded_specs.map {|_, s| s.full_require_paths }
  loaded_gem_paths.flatten
end

#loaded_specs(name) ⇒ Object



42
43
44
# File 'lib/bundler/rubygems_integration.rb', line 42

def loaded_specs(name)
  Gem.loaded_specs[name]
end

#mark_loaded(spec) ⇒ Object



58
59
60
61
62
63
64
65
# File 'lib/bundler/rubygems_integration.rb', line 58

def mark_loaded(spec)
  if spec.respond_to?(:activated=)
    current = Gem.loaded_specs[spec.name]
    current.activated = false if current
    spec.activated = true
  end
  Gem.loaded_specs[spec.name] = spec
end

#marshal_spec_dirObject



169
170
171
# File 'lib/bundler/rubygems_integration.rb', line 169

def marshal_spec_dir
  Gem::MARSHAL_SPEC_DIR
end

#method_visibility(klass, method) ⇒ Object



416
417
418
419
420
421
422
423
424
# File 'lib/bundler/rubygems_integration.rb', line 416

def method_visibility(klass, method)
  if klass.private_method_defined?(method)
    :private
  elsif klass.protected_method_defined?(method)
    :protected
  else
    :public
  end
end

#path(obj) ⇒ Object



103
104
105
# File 'lib/bundler/rubygems_integration.rb', line 103

def path(obj)
  obj.to_s
end

#path_separatorObject



507
508
509
# File 'lib/bundler/rubygems_integration.rb', line 507

def path_separator
  Gem.path_separator
end

#plain_specsObject



438
439
440
# File 'lib/bundler/rubygems_integration.rb', line 438

def plain_specs
  Gem::Specification._all
end

#plain_specs=(specs) ⇒ Object



442
443
444
# File 'lib/bundler/rubygems_integration.rb', line 442

def plain_specs=(specs)
  Gem::Specification.all = specs
end

#post_reset_hooksObject



149
150
151
# File 'lib/bundler/rubygems_integration.rb', line 149

def post_reset_hooks
  Gem.post_reset_hooks
end

#provides?(req_str) ⇒ Boolean

Returns:

  • (Boolean)


24
25
26
# File 'lib/bundler/rubygems_integration.rb', line 24

def provides?(req_str)
  Gem::Requirement.new(req_str).satisfied_by?(version)
end

#read_binary(path) ⇒ Object



111
112
113
# File 'lib/bundler/rubygems_integration.rb', line 111

def read_binary(path)
  Gem.read_binary(path)
end

#redefine_method(klass, method, unbound_method = nil, &block) ⇒ Object



395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
# File 'lib/bundler/rubygems_integration.rb', line 395

def redefine_method(klass, method, unbound_method = nil, &block)
  visibility = method_visibility(klass, method)
  begin
    if (instance_method = klass.instance_method(method)) && method != :initialize
      # doing this to ensure we also get private methods
      klass.send(:remove_method, method)
    end
  rescue NameError
    # method isn't defined
    nil
  end
  @replaced_methods[[method, klass]] = instance_method
  if unbound_method
    klass.send(:define_method, method, unbound_method)
    klass.send(visibility, method)
  elsif block
    klass.send(:define_method, method, &block)
    klass.send(visibility, method)
  end
end

#replace_bin_path(specs_by_name) ⇒ Object

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



287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
# File 'lib/bundler/rubygems_integration.rb', line 287

def replace_bin_path(specs_by_name)
  gem_class = (class << Gem; self; end)

  redefine_method(gem_class, :find_spec_for_exe) do |gem_name, *args|
    exec_name = args.first
    raise ArgumentError, "you must supply exec_name" unless exec_name

    spec_with_name = specs_by_name[gem_name]
    matching_specs_by_exec_name = specs_by_name.values.select {|s| s.executables.include?(exec_name) }
    spec = matching_specs_by_exec_name.delete(spec_with_name)

    unless spec || !matching_specs_by_exec_name.empty?
      message = "can't find executable #{exec_name} for gem #{gem_name}"
      if spec_with_name.nil?
        message += ". #{gem_name} is not currently included in the bundle, " \
                   "perhaps you meant to add it to your #{Bundler.default_gemfile.basename}?"
      end
      raise Gem::Exception, message
    end

    unless spec
      spec = matching_specs_by_exec_name.shift
      warn \
        "Bundler is using a binstub that was created for a different gem (#{spec.name}).\n" \
        "You should run `bundle binstub #{gem_name}` " \
        "to work around a system/bundle conflict."
    end

    unless matching_specs_by_exec_name.empty?
      conflicting_names = matching_specs_by_exec_name.map(&:name).join(", ")
      warn \
        "The `#{exec_name}` executable in the `#{spec.name}` gem is being loaded, but it's also present in other gems (#{conflicting_names}).\n" \
        "If you meant to run the executable for another gem, make sure you use a project specific binstub (`bundle binstub <gem_name>`).\n" \
        "If you plan to use multiple conflicting executables, generate binstubs for them and disambiguate their names."
    end

    spec
  end

  redefine_method(gem_class, :activate_bin_path) do |name, *args|
    exec_name = args.first
    return ENV["BUNDLE_BIN_PATH"] if exec_name == "bundle"

    # Copy of Rubygems activate_bin_path impl
    requirement = args.last
    spec = find_spec_for_exe name, exec_name, [requirement]

    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

  redefine_method(gem_class, :bin_path) do |name, *args|
    exec_name = args.first
    return ENV["BUNDLE_BIN_PATH"] if exec_name == "bundle"

    spec = find_spec_for_exe(name, *args)
    exec_name ||= spec.default_executable

    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) ⇒ Object

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



354
355
356
357
358
359
360
361
362
# File 'lib/bundler/rubygems_integration.rb', line 354

def replace_entrypoints(specs)
  specs_by_name = add_default_gems_to(specs)

  replace_gem(specs, specs_by_name)
  stub_rubygems(specs)
  replace_bin_path(specs_by_name)

  Gem.clear_paths
end

#replace_gem(specs, specs_by_name) ⇒ Object



238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
# File 'lib/bundler/rubygems_integration.rb', line 238

def replace_gem(specs, specs_by_name)
  reverse_rubygems_kernel_mixin

  executables = nil

  kernel = (class << ::Kernel; self; end)
  [kernel, ::Kernel].each do |kernel_class|
    redefine_method(kernel_class, :gem) do |dep, *reqs|
      if executables && executables.include?(File.basename(caller.first.split(":").first))
        break
      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

      if spec = specs_by_name[dep.name]
        return true if dep.matches_spec?(spec)
      end

      message = if spec.nil?
        target_file = begin
                        Bundler.default_gemfile.basename
                      rescue GemfileNotFound
                        "inline Gemfile"
                      end
        "#{dep.name} is not part of the bundle." \
        " Add it to your #{target_file}."
      else
        "can't activate #{dep}, already activated #{spec.full_name}. " \
        "Make sure all dependencies are added to Gemfile."
      end

      e = Gem::LoadError.new(message)
      e.name = dep.name
      e.requirement = dep.requirement
      raise e
    end

    # backwards compatibility shim, see https://github.com/rubygems/bundler/issues/5102
    kernel_class.send(:public, :gem) if Bundler.feature_flag.setup_makes_kernel_gem_public?
  end
end

#resetObject



145
146
147
# File 'lib/bundler/rubygems_integration.rb', line 145

def reset
  Gem::Specification.reset
end

#reverse_rubygems_kernel_mixinObject



228
229
230
231
232
233
234
235
236
# File 'lib/bundler/rubygems_integration.rb', line 228

def reverse_rubygems_kernel_mixin
  # Disable rubygems' gem activation system
  kernel = (class << ::Kernel; self; end)
  [kernel, ::Kernel].each do |k|
    if k.private_method_defined?(:gem_original_require)
      redefine_method(k, :require, k.instance_method(:gem_original_require))
    end
  end
end

#ruby_engineObject



107
108
109
# File 'lib/bundler/rubygems_integration.rb', line 107

def ruby_engine
  Gem.ruby_engine
end

#security_policiesObject



219
220
221
222
223
224
225
226
# File 'lib/bundler/rubygems_integration.rb', line 219

def security_policies
  @security_policies ||= begin
    require "rubygems/security"
    Gem::Security::Policies
  rescue LoadError, NameError
    {}
  end
end

#security_policy_keysObject



215
216
217
# File 'lib/bundler/rubygems_integration.rb', line 215

def security_policy_keys
  %w[High Medium Low AlmostNo No].map {|level| "#{level}Security" }
end

#set_installed_by_version(spec, installed_by_version = Gem::VERSION) ⇒ Object



77
78
79
80
# File 'lib/bundler/rubygems_integration.rb', line 77

def set_installed_by_version(spec, installed_by_version = Gem::VERSION)
  return unless spec.respond_to?(:installed_by_version=)
  spec.installed_by_version = Gem::Version.create(installed_by_version)
end

#spec_cache_dirsObject



161
162
163
164
165
166
167
# File 'lib/bundler/rubygems_integration.rb', line 161

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) ⇒ Object



206
207
208
209
# File 'lib/bundler/rubygems_integration.rb', line 206

def spec_from_gem(path)
  require "rubygems/package"
  Gem::Package.new(path).spec
end

#spec_matches_for_glob(spec, glob) ⇒ Object



91
92
93
94
95
96
97
# File 'lib/bundler/rubygems_integration.rb', line 91

def spec_matches_for_glob(spec, glob)
  return spec.matches_for_glob(glob) if spec.respond_to?(:matches_for_glob)

  spec.load_paths.map do |lp|
    Dir["#{lp}/#{glob}#{suffix_pattern}"]
  end.flatten(1)
end

#spec_missing_extensions?(spec, default = true) ⇒ Boolean

Returns:

  • (Boolean)


82
83
84
85
86
87
88
89
# File 'lib/bundler/rubygems_integration.rb', line 82

def spec_missing_extensions?(spec, default = true)
  return spec.missing_extensions? if spec.respond_to?(:missing_extensions?)

  return false if spec.default_gem?
  return false if spec.extensions.empty?

  default
end

#stub_rubygems(specs) ⇒ Object



426
427
428
429
430
431
432
433
434
435
436
# File 'lib/bundler/rubygems_integration.rb', line 426

def stub_rubygems(specs)
  Gem::Specification.all = specs

  Gem.post_reset do
    Gem::Specification.all = specs
  end

  redefine_method((class << Gem; self; end), :finish_resolve) do |*|
    []
  end
end

#stub_set_spec(stub, spec) ⇒ Object



99
100
101
# File 'lib/bundler/rubygems_integration.rb', line 99

def stub_set_spec(stub, spec)
  stub.instance_variable_set(:@spec, spec)
end

#suffix_patternObject



153
154
155
# File 'lib/bundler/rubygems_integration.rb', line 153

def suffix_pattern
  Gem.suffix_pattern
end

#supports_bundler_trampolining?Boolean

Returns:

  • (Boolean)


28
29
30
# File 'lib/bundler/rubygems_integration.rb', line 28

def supports_bundler_trampolining?
  provides?(">= 3.3.0.a")
end

#ui=(obj) ⇒ Object



198
199
200
# File 'lib/bundler/rubygems_integration.rb', line 198

def ui=(obj)
  Gem::DefaultUserInteraction.ui = obj
end

#undo_replacementsObject



383
384
385
386
387
388
389
390
391
392
393
# File 'lib/bundler/rubygems_integration.rb', line 383

def undo_replacements
  @replaced_methods.each do |(sym, klass), method|
    redefine_method(klass, sym, method)
  end
  if Binding.public_method_defined?(:source_location)
    post_reset_hooks.reject! {|proc| proc.binding.source_location[0] == __FILE__ }
  else
    post_reset_hooks.reject! {|proc| proc.binding.eval("__FILE__") == __FILE__ }
  end
  @replaced_methods.clear
end

#user_homeObject



137
138
139
# File 'lib/bundler/rubygems_integration.rb', line 137

def user_home
  Gem.user_home
end

#validate(spec) ⇒ Object



67
68
69
70
71
72
73
74
75
# File 'lib/bundler/rubygems_integration.rb', line 67

def validate(spec)
  Bundler.ui.silence { spec.validate(false) }
rescue Gem::InvalidSpecificationException => e
  error_message = "The gemspec at #{spec.loaded_from} is not valid. Please fix this gemspec.\n" \
    "The validation error was '#{e.message}'\n"
  raise Gem::InvalidSpecificationException.new(error_message)
rescue Errno::ENOENT
  nil
end

#versionObject



20
21
22
# File 'lib/bundler/rubygems_integration.rb', line 20

def version
  @version ||= Gem.rubygems_version
end