Merge rubygems/bundler master

  Pick from https://github.com/rubygems/rubygems/commit/e9304aed7e43308b99e70c2f7b92028315fee8a5

37 files changed, 62 insertions, 60 deletions

diff --git a/lib/bundler/cli.rb b/lib/bundler/cli.rb
index ee73bdb506..a3eb494db2 100644
--- a/lib/bundler/cli.rb
+++ b/lib/bundler/cli.rb
@@ -156,6 +156,7 @@ module Bundler
       dependency listed in the gemspec file to the newly created Gemfile.
     D
     method_option "gemspec", :type => :string, :banner => "Use the specified .gemspec to create the Gemfile"
+    method_option "gemfile", :type => :string, :banner => "Use the specified name for the gemfile instead of 'Gemfile'"
     def init
       require_relative "cli/init"
       Init.new(options.dup).run
diff --git a/lib/bundler/cli/init.rb b/lib/bundler/cli/init.rb
index bc96507c29..246b9d6460 100644
--- a/lib/bundler/cli/init.rb
+++ b/lib/bundler/cli/init.rb
@@ -32,7 +32,7 @@ module Bundler
           file << spec.to_gemfile
         end
       else
-        File.open(File.expand_path("../templates/#{gemfile}", __dir__), "r") do |template|
+        File.open(File.expand_path("../templates/Gemfile", __dir__), "r") do |template|
           File.open(gemfile, "wb") do |destination|
             IO.copy_stream(template, destination)
           end
@@ -45,7 +45,7 @@ module Bundler
     private
 
     def gemfile
-      @gemfile ||= Bundler.preferred_gemfile_name
+      @gemfile ||= options[:gemfile] || Bundler.preferred_gemfile_name
     end
   end
 end
diff --git a/lib/bundler/installer/standalone.rb b/lib/bundler/installer/standalone.rb
index 2756626f8a..2a8c9a432d 100644
--- a/lib/bundler/installer/standalone.rb
+++ b/lib/bundler/installer/standalone.rb
@@ -52,7 +52,7 @@ module Bundler
 
     def gem_path(path, spec)
       full_path = Pathname.new(path).absolute? ? path : File.join(spec.full_gem_path, path)
-      if spec.source.instance_of?(Source::Path)
+      if spec.source.instance_of?(Source::Path) && spec.source.path.absolute?
         full_path
       else
         Pathname.new(full_path).relative_path_from(Bundler.root.join(bundler_path)).to_s
@@ -84,13 +84,17 @@ module Bundler
 
     def reverse_rubygems_kernel_mixin
       <<~END
-      kernel = (class << ::Kernel; self; end)
-      [kernel, ::Kernel].each do |k|
-        if k.private_method_defined?(:gem_original_require)
-          private_require = k.private_method_defined?(:require)
-          k.send(:remove_method, :require)
-          k.send(:define_method, :require, k.instance_method(:gem_original_require))
-          k.send(:private, :require) if private_require
+      if Gem.respond_to?(:discover_gems_on_require=)
+        Gem.discover_gems_on_require = false
+      else
+        kernel = (class << ::Kernel; self; end)
+        [kernel, ::Kernel].each do |k|
+          if k.private_method_defined?(:gem_original_require)
+            private_require = k.private_method_defined?(:require)
+            k.send(:remove_method, :require)
+            k.send(:define_method, :require, k.instance_method(:gem_original_require))
+            k.send(:private, :require) if private_require
+          end
         end
       end
       END
diff --git a/lib/bundler/man/bundle-add.1 b/lib/bundler/man/bundle-add.1
index 805bd5450d..0e21c75506 100644
--- a/lib/bundler/man/bundle-add.1
+++ b/lib/bundler/man/bundle-add.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-ADD" "1" "January 2023" "" ""
+.TH "BUNDLE\-ADD" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-add\fR \- Add gem to the Gemfile and run bundle install
diff --git a/lib/bundler/man/bundle-binstubs.1 b/lib/bundler/man/bundle-binstubs.1
index f5efe77e10..2774e9d28a 100644
--- a/lib/bundler/man/bundle-binstubs.1
+++ b/lib/bundler/man/bundle-binstubs.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-BINSTUBS" "1" "January 2023" "" ""
+.TH "BUNDLE\-BINSTUBS" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-binstubs\fR \- Install the binstubs of the listed gems
diff --git a/lib/bundler/man/bundle-cache.1 b/lib/bundler/man/bundle-cache.1
index a17f1a6b06..f24b63c6fc 100644
--- a/lib/bundler/man/bundle-cache.1
+++ b/lib/bundler/man/bundle-cache.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-CACHE" "1" "January 2023" "" ""
+.TH "BUNDLE\-CACHE" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-cache\fR \- Package your needed \fB\.gem\fR files into your application
diff --git a/lib/bundler/man/bundle-check.1 b/lib/bundler/man/bundle-check.1
index f1bf0b1821..7679945c48 100644
--- a/lib/bundler/man/bundle-check.1
+++ b/lib/bundler/man/bundle-check.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-CHECK" "1" "January 2023" "" ""
+.TH "BUNDLE\-CHECK" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-check\fR \- Verifies if dependencies are satisfied by installed gems
diff --git a/lib/bundler/man/bundle-clean.1 b/lib/bundler/man/bundle-clean.1
index b05a8eb0eb..2eb745698c 100644
--- a/lib/bundler/man/bundle-clean.1
+++ b/lib/bundler/man/bundle-clean.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-CLEAN" "1" "January 2023" "" ""
+.TH "BUNDLE\-CLEAN" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-clean\fR \- Cleans up unused gems in your bundler directory
diff --git a/lib/bundler/man/bundle-config.1 b/lib/bundler/man/bundle-config.1
index fdb06c321d..493b57e1de 100644
--- a/lib/bundler/man/bundle-config.1
+++ b/lib/bundler/man/bundle-config.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-CONFIG" "1" "January 2023" "" ""
+.TH "BUNDLE\-CONFIG" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-config\fR \- Set bundler configuration options
diff --git a/lib/bundler/man/bundle-console.1 b/lib/bundler/man/bundle-console.1
index 6cb0f0f810..ff239004bf 100644
--- a/lib/bundler/man/bundle-console.1
+++ b/lib/bundler/man/bundle-console.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-CONSOLE" "1" "January 2023" "" ""
+.TH "BUNDLE\-CONSOLE" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-console\fR \- Deprecated way to open an IRB session with the bundle pre\-loaded
diff --git a/lib/bundler/man/bundle-doctor.1 b/lib/bundler/man/bundle-doctor.1
index bfe928c9a1..e463b67477 100644
--- a/lib/bundler/man/bundle-doctor.1
+++ b/lib/bundler/man/bundle-doctor.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-DOCTOR" "1" "January 2023" "" ""
+.TH "BUNDLE\-DOCTOR" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-doctor\fR \- Checks the bundle for common problems
diff --git a/lib/bundler/man/bundle-exec.1 b/lib/bundler/man/bundle-exec.1
index 281f3faede..9e9efe8b6d 100644
--- a/lib/bundler/man/bundle-exec.1
+++ b/lib/bundler/man/bundle-exec.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-EXEC" "1" "January 2023" "" ""
+.TH "BUNDLE\-EXEC" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-exec\fR \- Execute a command in the context of the bundle
diff --git a/lib/bundler/man/bundle-gem.1 b/lib/bundler/man/bundle-gem.1
index 4bac1bf442..ea64871fb6 100644
--- a/lib/bundler/man/bundle-gem.1
+++ b/lib/bundler/man/bundle-gem.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-GEM" "1" "January 2023" "" ""
+.TH "BUNDLE\-GEM" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-gem\fR \- Generate a project skeleton for creating a rubygem
diff --git a/lib/bundler/man/bundle-help.1 b/lib/bundler/man/bundle-help.1
index 47a42a497e..a3b059ea07 100644
--- a/lib/bundler/man/bundle-help.1
+++ b/lib/bundler/man/bundle-help.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-HELP" "1" "January 2023" "" ""
+.TH "BUNDLE\-HELP" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-help\fR \- Displays detailed help for each subcommand
diff --git a/lib/bundler/man/bundle-info.1 b/lib/bundler/man/bundle-info.1
index e9f5583e85..5af60c6a77 100644
--- a/lib/bundler/man/bundle-info.1
+++ b/lib/bundler/man/bundle-info.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-INFO" "1" "January 2023" "" ""
+.TH "BUNDLE\-INFO" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-info\fR \- Show information for the given gem in your bundle
diff --git a/lib/bundler/man/bundle-init.1 b/lib/bundler/man/bundle-init.1
index 9e8b059f1f..e93b4fd5e9 100644
--- a/lib/bundler/man/bundle-init.1
+++ b/lib/bundler/man/bundle-init.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-INIT" "1" "January 2023" "" ""
+.TH "BUNDLE\-INIT" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-init\fR \- Generates a Gemfile into the current working directory
@@ -18,6 +18,10 @@ Init generates a default [\fBGemfile(5)\fR][Gemfile(5)] in the current working d
 \fB\-\-gemspec\fR
 Use the specified \.gemspec to create the [\fBGemfile(5)\fR][Gemfile(5)]
 .
+.TP
+\fB\-\-gemfile\fR
+Use the specified name for the gemfile instead of \fBGemfile\fR
+.
 .SH "FILES"
 Included in the default [\fBGemfile(5)\fR][Gemfile(5)] generated is the line \fB# frozen_string_literal: true\fR\. This is a magic comment supported for the first time in Ruby 2\.3\. The presence of this line results in all string literals in the file being implicitly frozen\.
 .
diff --git a/lib/bundler/man/bundle-init.1.ronn b/lib/bundler/man/bundle-init.1.ronn
index 9d3d97deea..7d3cede1f6 100644
--- a/lib/bundler/man/bundle-init.1.ronn
+++ b/lib/bundler/man/bundle-init.1.ronn
@@ -16,6 +16,8 @@ created [`Gemfile(5)`][Gemfile(5)].
 
 * `--gemspec`:
   Use the specified .gemspec to create the [`Gemfile(5)`][Gemfile(5)]
+* `--gemfile`:
+  Use the specified name for the gemfile instead of `Gemfile`
 
 ## FILES
 
diff --git a/lib/bundler/man/bundle-inject.1 b/lib/bundler/man/bundle-inject.1
index 0b0766a40c..657d5ef4a7 100644
--- a/lib/bundler/man/bundle-inject.1
+++ b/lib/bundler/man/bundle-inject.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-INJECT" "1" "January 2023" "" ""
+.TH "BUNDLE\-INJECT" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-inject\fR \- Add named gem(s) with version requirements to Gemfile
diff --git a/lib/bundler/man/bundle-install.1 b/lib/bundler/man/bundle-install.1
index fcf6a6a66c..8f144692f3 100644
--- a/lib/bundler/man/bundle-install.1
+++ b/lib/bundler/man/bundle-install.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-INSTALL" "1" "January 2023" "" ""
+.TH "BUNDLE\-INSTALL" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-install\fR \- Install the dependencies specified in your Gemfile
diff --git a/lib/bundler/man/bundle-list.1 b/lib/bundler/man/bundle-list.1
index 37d2c837e4..f24f62dd38 100644
--- a/lib/bundler/man/bundle-list.1
+++ b/lib/bundler/man/bundle-list.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-LIST" "1" "January 2023" "" ""
+.TH "BUNDLE\-LIST" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-list\fR \- List all the gems in the bundle
diff --git a/lib/bundler/man/bundle-lock.1 b/lib/bundler/man/bundle-lock.1
index 422da46d00..55d1035d77 100644
--- a/lib/bundler/man/bundle-lock.1
+++ b/lib/bundler/man/bundle-lock.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-LOCK" "1" "January 2023" "" ""
+.TH "BUNDLE\-LOCK" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-lock\fR \- Creates / Updates a lockfile without installing
diff --git a/lib/bundler/man/bundle-open.1 b/lib/bundler/man/bundle-open.1
index c831bf9ce9..ff44d1224f 100644
--- a/lib/bundler/man/bundle-open.1
+++ b/lib/bundler/man/bundle-open.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-OPEN" "1" "January 2023" "" ""
+.TH "BUNDLE\-OPEN" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-open\fR \- Opens the source directory for a gem in your bundle
diff --git a/lib/bundler/man/bundle-outdated.1 b/lib/bundler/man/bundle-outdated.1
index 40fe8a4def..8455b71b45 100644
--- a/lib/bundler/man/bundle-outdated.1
+++ b/lib/bundler/man/bundle-outdated.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-OUTDATED" "1" "January 2023" "" ""
+.TH "BUNDLE\-OUTDATED" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-outdated\fR \- List installed gems with newer versions available
diff --git a/lib/bundler/man/bundle-platform.1 b/lib/bundler/man/bundle-platform.1
index d0015a80ef..2794878719 100644
--- a/lib/bundler/man/bundle-platform.1
+++ b/lib/bundler/man/bundle-platform.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-PLATFORM" "1" "January 2023" "" ""
+.TH "BUNDLE\-PLATFORM" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-platform\fR \- Displays platform compatibility information
diff --git a/lib/bundler/man/bundle-plugin.1 b/lib/bundler/man/bundle-plugin.1
index a231bb1e3d..39d3dfa04e 100644
--- a/lib/bundler/man/bundle-plugin.1
+++ b/lib/bundler/man/bundle-plugin.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-PLUGIN" "1" "January 2023" "" ""
+.TH "BUNDLE\-PLUGIN" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-plugin\fR \- Manage Bundler plugins
diff --git a/lib/bundler/man/bundle-pristine.1 b/lib/bundler/man/bundle-pristine.1
index 8f4bad3db6..f42c7ce156 100644
--- a/lib/bundler/man/bundle-pristine.1
+++ b/lib/bundler/man/bundle-pristine.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-PRISTINE" "1" "January 2023" "" ""
+.TH "BUNDLE\-PRISTINE" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-pristine\fR \- Restores installed gems to their pristine condition
diff --git a/lib/bundler/man/bundle-remove.1 b/lib/bundler/man/bundle-remove.1
index 97a65016ac..b18d80554d 100644
--- a/lib/bundler/man/bundle-remove.1
+++ b/lib/bundler/man/bundle-remove.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-REMOVE" "1" "January 2023" "" ""
+.TH "BUNDLE\-REMOVE" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-remove\fR \- Removes gems from the Gemfile
diff --git a/lib/bundler/man/bundle-show.1 b/lib/bundler/man/bundle-show.1
index 82706d45f3..efd9ccb0e0 100644
--- a/lib/bundler/man/bundle-show.1
+++ b/lib/bundler/man/bundle-show.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-SHOW" "1" "January 2023" "" ""
+.TH "BUNDLE\-SHOW" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-show\fR \- Shows all the gems in your bundle, or the path to a gem
diff --git a/lib/bundler/man/bundle-update.1 b/lib/bundler/man/bundle-update.1
index 65448f4806..c67c44ff86 100644
--- a/lib/bundler/man/bundle-update.1
+++ b/lib/bundler/man/bundle-update.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-UPDATE" "1" "January 2023" "" ""
+.TH "BUNDLE\-UPDATE" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-update\fR \- Update your gems to the latest available versions
diff --git a/lib/bundler/man/bundle-version.1 b/lib/bundler/man/bundle-version.1
index bb03e8b5d6..9a3820f3e6 100644
--- a/lib/bundler/man/bundle-version.1
+++ b/lib/bundler/man/bundle-version.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-VERSION" "1" "January 2023" "" ""
+.TH "BUNDLE\-VERSION" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-version\fR \- Prints Bundler version information
diff --git a/lib/bundler/man/bundle-viz.1 b/lib/bundler/man/bundle-viz.1
index 23fb95b738..3a07010309 100644
--- a/lib/bundler/man/bundle-viz.1
+++ b/lib/bundler/man/bundle-viz.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE\-VIZ" "1" "January 2023" "" ""
+.TH "BUNDLE\-VIZ" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\-viz\fR \- Generates a visual dependency graph for your Gemfile
diff --git a/lib/bundler/man/bundle.1 b/lib/bundler/man/bundle.1
index 39f3807f30..873ba566b1 100644
--- a/lib/bundler/man/bundle.1
+++ b/lib/bundler/man/bundle.1
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "BUNDLE" "1" "January 2023" "" ""
+.TH "BUNDLE" "1" "February 2023" "" ""
 .
 .SH "NAME"
 \fBbundle\fR \- Ruby Dependency Management
diff --git a/lib/bundler/man/gemfile.5 b/lib/bundler/man/gemfile.5
index 740a01e0cc..a9124d26ea 100644
--- a/lib/bundler/man/gemfile.5
+++ b/lib/bundler/man/gemfile.5
@@ -1,7 +1,7 @@
 .\" generated with Ronn/v0.7.3
 .\" http://github.com/rtomayko/ronn/tree/0.7.3
 .
-.TH "GEMFILE" "5" "January 2023" "" ""
+.TH "GEMFILE" "5" "February 2023" "" ""
 .
 .SH "NAME"
 \fBGemfile\fR \- A format for describing gem dependencies for Ruby programs
diff --git a/lib/bundler/resolver.rb b/lib/bundler/resolver.rb
index 8237ff53fe..c17086ea78 100644
--- a/lib/bundler/resolver.rb
+++ b/lib/bundler/resolver.rb
@@ -37,7 +37,9 @@ module Bundler
       root_version = Resolver::Candidate.new(0)
 
       @all_specs = Hash.new do |specs, name|
-        specs[name] = source_for(name).specs.search(name).sort_by {|s| [s.version, s.platform.to_s] }
+        specs[name] = source_for(name).specs.search(name).reject do |s|
+          s.dependencies.any? {|d| d.name == name && !d.requirement.satisfied_by?(s.version) } # ignore versions that depend on themselves incorrectly
+        end.sort_by {|s| [s.version, s.platform.to_s] }
       end
 
       @sorted_versions = Hash.new do |candidates, package|
@@ -55,7 +57,7 @@ module Bundler
           { root_version => root_dependencies }
         else
           Hash.new do |versions, version|
-            versions[version] = to_dependency_hash(version.dependencies, @packages)
+            versions[version] = to_dependency_hash(version.dependencies.reject {|d| d.name == package.name }, @packages)
           end
         end
       end
@@ -186,11 +188,6 @@ module Bundler
       package_deps = @cached_dependencies[package]
       sorted_versions = @sorted_versions[package]
       package_deps[version].map do |dep_package, dep_constraint|
-        if package == dep_package
-          cause = PubGrub::Incompatibility::CircularDependency.new(dep_package, dep_constraint.constraint_string)
-          return [PubGrub::Incompatibility.new([PubGrub::Term.new(dep_constraint, true)], :cause => cause)]
-        end
-
         low = high = sorted_versions.index(version)
 
         # find version low such that all >= low share the same dep
diff --git a/lib/bundler/rubygems_integration.rb b/lib/bundler/rubygems_integration.rb
index c67c69266e..94753ca755 100644
--- a/lib/bundler/rubygems_integration.rb
+++ b/lib/bundler/rubygems_integration.rb
@@ -227,10 +227,14 @@ module Bundler
 
     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))
+      if Gem.respond_to?(:discover_gems_on_require=)
+        Gem.discover_gems_on_require = false
+      else
+        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
     end
diff --git a/lib/bundler/templates/gems.rb b/lib/bundler/templates/gems.rb
deleted file mode 100644
index d2403f18b2..0000000000
--- a/lib/bundler/templates/gems.rb
+++ /dev/null
@@ -1,5 +0,0 @@
-# frozen_string_literal: true
-
-source "https://rubygems.org"
-
-# gem "rails"
diff --git a/lib/bundler/vendor/pub_grub/lib/pub_grub/incompatibility.rb b/lib/bundler/vendor/pub_grub/lib/pub_grub/incompatibility.rb
index 0d96cef23b..239eaf3401 100644
--- a/lib/bundler/vendor/pub_grub/lib/pub_grub/incompatibility.rb
+++ b/lib/bundler/vendor/pub_grub/lib/pub_grub/incompatibility.rb
@@ -8,9 +8,6 @@ module Bundler::PubGrub
     InvalidDependency = Struct.new(:package, :constraint) do
     end
 
-    CircularDependency = Struct.new(:package, :constraint) do
-    end
-
     NoVersions = Struct.new(:constraint) do
     end
 
@@ -66,8 +63,6 @@ module Bundler::PubGrub
         "#{terms[0].to_s(allow_every: true)} depends on #{terms[1].invert}"
       when Bundler::PubGrub::Incompatibility::InvalidDependency
         "#{terms[0].to_s(allow_every: true)} depends on unknown package #{cause.package}"
-      when Bundler::PubGrub::Incompatibility::CircularDependency
-        "#{terms[0].to_s(allow_every: true)} depends on itself"
       when Bundler::PubGrub::Incompatibility::NoVersions
         "no versions satisfy #{cause.constraint}"
       when Bundler::PubGrub::Incompatibility::ConflictCause