Update to RubyGems 2.4.5.

lib/ruby/stdlib/rubygems.rb

@@ -9,7 +9,7 @@
 require 'thread'
 
 module Gem
-  VERSION = '2.4.4'
+  VERSION = '2.4.5'
 end
 
 # Must be first since it unloads the prelude from 1.9.2
@@ -232,7 +232,13 @@ def self.bin_path(name, exec_name = nil, *requirements)
     requirements = Gem::Requirement.default if
       requirements.empty?
 
-    specs = Gem::Dependency.new(name, requirements).matching_specs(true)
+    dep = Gem::Dependency.new name, requirements
+
+    loaded = Gem.loaded_specs[name]
+
+    return loaded.bin_file exec_name if loaded && dep.matches_spec?(loaded)
+
+    specs = dep.matching_specs(true)
 
     raise Gem::GemNotFoundException,
           "can't find gem #{name} (#{requirements})" if specs.empty?

lib/ruby/stdlib/rubygems/basic_specification.rb

@@ -58,23 +58,28 @@ def base_dir
   # Return true if this spec can require +file+.
 
   def contains_requirable_file? file
-    if instance_variable_defined?(:@ignored) or
-       instance_variable_defined?('@ignored') then
-      return false
-    elsif missing_extensions? then
-      @ignored = true
-
-      warn "Ignoring #{full_name} because its extensions are not built.  " +
-           "Try: gem pristine #{full_name}"
-      return false
-    end
-
-    suffixes = Gem.suffixes
-
-    full_require_paths.any? do |dir|
-      base = "#{dir}/#{file}"
-      suffixes.any? { |suf| File.file? "#{base}#{suf}" }
-    end
+    @contains_requirable_file ||= {}
+    @contains_requirable_file[file] ||=
+    begin
+      if instance_variable_defined?(:@ignored) or
+         instance_variable_defined?('@ignored') then
+        return false
+      elsif missing_extensions? then
+        @ignored = true
+
+        warn "Ignoring #{full_name} because its extensions are not built.  " +
+             "Try: gem pristine #{name} --version #{version}"
+        return false
+      end
+
+      suffixes = Gem.suffixes
+
+      full_require_paths.any? do |dir|
+        base = "#{dir}/#{file}"
+        suffixes.any? { |suf| File.file? "#{base}#{suf}" }
+      end
+    end ? :yes : :no
+    @contains_requirable_file[file] == :yes
   end
 
   def default_gem?
@@ -134,13 +139,38 @@ def full_name
   # activated.
 
   def full_require_paths
-    full_paths = raw_require_paths.map do |path|
-      File.join full_gem_path, path
-    end
+    @full_require_paths ||=
+    begin
+      full_paths = raw_require_paths.map do |path|
+        File.join full_gem_path, path
+      end
 
-    full_paths.unshift extension_dir unless @extensions.nil? || @extensions.empty?
+      full_paths.unshift extension_dir unless @extensions.nil? || @extensions.empty?
 
-    full_paths
+      full_paths
+    end
+  end
+
+  ##
+  # Full path of the target library file.
+  # If the file is not in this gem, return nil.
+
+  def to_fullpath path
+    if activated? then
+      @paths_map ||= {}
+      @paths_map[path] ||=
+      begin
+        fullpath = nil
+        suffixes = Gem.suffixes
+        full_require_paths.find do |dir|
+          suffixes.find do |suf|
+            File.file?(fullpath = "#{dir}/#{path}#{suf}")
+          end
+        end ? fullpath : nil
+      end
+    else
+      nil
+    end
   end
 
   ##

lib/ruby/stdlib/rubygems/commands/contents_command.rb

@@ -146,7 +146,6 @@ def gem_names # :nodoc:
 
   def path_description spec_dirs # :nodoc:
     if spec_dirs.empty? then
-      spec_dirs = Gem::Specification.dirs
       "default gem paths"
     else
       "specified path"

lib/ruby/stdlib/rubygems/commands/pristine_command.rb

@@ -109,6 +109,11 @@ def execute
         next
       end
 
+      if spec.bundled_gem_in_old_ruby?
+        say "Skipped #{spec.full_name}, it is bundled with old Ruby"
+        next
+      end
+
       unless spec.extensions.empty? or options[:extensions] then
         say "Skipped #{spec.full_name}, it needs to compile an extension"
         next
@@ -120,8 +125,17 @@ def execute
         require 'rubygems/remote_fetcher'
 
         say "Cached gem for #{spec.full_name} not found, attempting to fetch..."
+
         dep = Gem::Dependency.new spec.name, spec.version
-        Gem::RemoteFetcher.fetcher.download_to_cache dep
+        found, _ = Gem::SpecFetcher.fetcher.spec_for_dependency dep
+
+        if found.empty?
+          say "Skipped #{spec.full_name}, it was not found from cache and remote sources"
+          next
+        end
+
+        spec_candidate, source = found.first
+        Gem::RemoteFetcher.fetcher.download spec_candidate, source.uri.to_s, spec.base_dir
       end
 
       env_shebang =

lib/ruby/stdlib/rubygems/commands/uninstall_command.rb

@@ -124,7 +124,7 @@ def execute
   end
 
   def uninstall_all
-    _, specs = Gem::Specification.partition { |spec| spec.default_gem? }
+    specs = Gem::Specification.reject { |spec| spec.default_gem? }
 
     specs.each do |spec|
       options[:version] = spec.version

lib/ruby/stdlib/rubygems/commands/update_command.rb

@@ -84,8 +84,6 @@ def check_update_arguments # :nodoc:
   end
 
   def execute
-    hig = {}
-
     if options[:system] then
       update_rubygems
       return

lib/ruby/stdlib/rubygems/core_ext/kernel_gem.rb

@@ -55,7 +55,14 @@ def gem(gem_name, *requirements) # :doc:
       gem_name = gem_name.name
     end
 
-    spec = Gem::Dependency.new(gem_name, *requirements).to_spec
+    dep = Gem::Dependency.new(gem_name, *requirements)
+
+    loaded = Gem.loaded_specs[gem_name]
+
+    return false if loaded && dep.matches_spec?(loaded)
+
+    spec = dep.to_spec
+
     Gem::LOADED_SPECS_MUTEX.synchronize {
       spec.activate
     } if spec

lib/ruby/stdlib/rubygems/core_ext/kernel_require.rb

@@ -66,7 +66,7 @@ def require path
 
     begin
       RUBYGEMS_ACTIVATION_MONITOR.exit
-      return gem_original_require(path)
+      return gem_original_require(spec.to_fullpath(path) || path)
     end if spec
 
     # Attempt to find +path+ in any unresolved gems...

lib/ruby/stdlib/rubygems/dependency.rb

@@ -281,7 +281,7 @@ def matching_specs platform_only = false
       }
     end
 
-    matches = matches.sort_by { |s| s.sort_obj } # HACK: shouldn't be needed
+    matches.sort_by { |s| s.sort_obj } # HACK: shouldn't be needed
   end
 
   ##

lib/ruby/stdlib/rubygems/ext/ext_conf_builder.rb

@@ -49,7 +49,7 @@ def self.build(extension, directory, dest_path, results, args=[], lib_dir=nil)
             FileUtils.mkdir_p lib_dir
             entries = Dir.entries(tmp_dest) - %w[. ..]
             entries = entries.map { |entry| File.join tmp_dest, entry }
-            FileUtils.cp_r entries, lib_dir
+            FileUtils.cp_r entries, lib_dir, :remove_destination => true
           end
 
           FileEntry.new(tmp_dest).traverse do |ent|

lib/ruby/stdlib/rubygems/installer.rb

@@ -421,8 +421,8 @@ def generate_bin # :nodoc:
         next
       end
 
-      mode = File.stat(bin_path).mode | 0111
-      FileUtils.chmod mode, bin_path
+      mode = File.stat(bin_path).mode
+      FileUtils.chmod mode | 0111, bin_path unless (mode | 0111) == mode
 
       check_executable_overwrite filename
 

lib/ruby/stdlib/rubygems/package/old.rb

@@ -153,10 +153,10 @@ def spec
 
     begin
       @spec = Gem::Specification.from_yaml yaml
-    rescue yaml_error => e
+    rescue yaml_error
       raise Gem::Exception, "Failed to parse gem specification out of gem file"
     end
-  rescue ArgumentError => e
+  rescue ArgumentError
     raise Gem::Exception, "Failed to parse gem specification out of gem file"
   end
 

lib/ruby/stdlib/rubygems/remote_fetcher.rb

@@ -326,7 +326,7 @@ def fetch_size(uri) # TODO: phase this out
 
   def correct_for_windows_path(path)
     if path[0].chr == '/' && path[1].chr =~ /[a-z]/i && path[2].chr == ':'
-      path = path[1..-1]
+      path[1..-1]
     else
       path
     end
@@ -352,6 +352,10 @@ def https?(uri)
     uri.scheme.downcase == 'https'
   end
 
+  def close_all
+    @pools.each_value {|pool| pool.close_all}
+  end
+
   protected
 
   # we have our own signing code here to avoid a dependency on the aws-sdk gem

lib/ruby/stdlib/rubygems/request/connection_pools.rb

@@ -28,6 +28,10 @@ def pool_for uri
     end
   end
 
+  def close_all
+    @pools.each_value {|pool| pool.close_all}
+  end
+
   private
 
   ##
@@ -69,7 +73,7 @@ def net_http_args uri, proxy_uri
         Gem::UriFormatter.new(proxy_uri.password).unescape,
       ]
     elsif no_proxy? uri.host, no_proxy then
-      net_http_args += [nil, nil]
+      net_http_args + [nil, nil]
     else
       net_http_args
     end

lib/ruby/stdlib/rubygems/request/http_pool.rb

@@ -23,6 +23,15 @@ def checkin connection
     @queue.push connection
   end
 
+  def close_all
+    until @queue.empty?
+      if connection = @queue.pop(true) and connection.started?
+        connection.finish
+      end
+    end
+    @queue.push(nil)
+  end
+
   private
 
   def make_connection

lib/ruby/stdlib/rubygems/request_set.rb

@@ -403,10 +403,7 @@ def tsort_each_child node # :nodoc:
               "Unresolved dependency found during sorting - #{dep} (requested by #{node.spec.full_name})"
       end
 
-      begin
-        yield match
-      rescue TSort::Cyclic
-      end
+      yield match
     end
   end
 

lib/ruby/stdlib/rubygems/request_set/lockfile.rb

@@ -200,6 +200,8 @@ def add_PLATFORMS out # :nodoc:
 
     platforms = @requests.map { |request| request.spec.platform }.uniq
 
+    platforms = platforms.sort_by { |platform| platform.to_s }
+
     platforms.sort.each do |platform|
       out << "  #{platform}"
     end
@@ -277,14 +279,7 @@ def parse_DEPENDENCIES # :nodoc:
       when :bang then
         get :bang
 
-        spec = @set.sets.select { |set|
-          Gem::Resolver::GitSet    === set or
-          Gem::Resolver::VendorSet === set
-        }.map { |set|
-          set.specs[name]
-        }.compact.first
-
-        requirements << spec.version
+        requirements << pinned_requirement(name)
       when :l_paren then
         get :l_paren
 
@@ -300,6 +295,13 @@ def parse_DEPENDENCIES # :nodoc:
         end
 
         get :r_paren
+
+        if peek[0] == :bang then
+          requirements.clear
+          requirements << pinned_requirement(name)
+
+          get :bang
+        end
       end
 
       @set.gem name, *requirements
@@ -507,6 +509,17 @@ def peek # :nodoc:
     @tokens.first || [:EOF]
   end
 
+  def pinned_requirement name # :nodoc:
+    spec = @set.sets.select { |set|
+      Gem::Resolver::GitSet    === set or
+        Gem::Resolver::VendorSet === set
+    }.map { |set|
+      set.specs[name]
+    }.compact.first
+
+    spec.version
+  end
+
   def skip type # :nodoc:
     get while not @tokens.empty? and peek.first == type
   end

lib/ruby/stdlib/rubygems/resolver/api_set.rb

@@ -72,7 +72,7 @@ def prefetch reqs
     @to_fetch += needed
   end
 
-  def prefetch_now
+  def prefetch_now # :nodoc:
     needed, @to_fetch = @to_fetch, []
 
     uri = @dep_uri + "?gems=#{needed.sort.join ','}"

lib/ruby/stdlib/rubygems/resolver/installer_set.rb

@@ -154,7 +154,7 @@ def find_all req
   end
 
   def prefetch(reqs)
-    @remote_set.prefetch(reqs)
+    @remote_set.prefetch(reqs) if consider_remote?
   end
 
   def prerelease= allow_prerelease

lib/ruby/stdlib/rubygems/source.rb

@@ -26,8 +26,12 @@ class Gem::Source
   # Creates a new Source which will use the index located at +uri+.
 
   def initialize(uri)
-    unless uri.kind_of? URI
-      uri = URI.parse(uri.to_s)
+    begin
+      unless uri.kind_of? URI
+        uri = URI.parse(uri.to_s)
+      end
+    rescue URI::InvalidURIError
+      raise if Gem::Source == self.class
     end
 
     @uri = uri