Untangle the system gem path and the default bundle path in the specs

23 files changed, 123 insertions, 85 deletions

diff --git a/lib/bundler/resolver.rb b/lib/bundler/resolver.rb
index 4aeffa7265..00cd0cad26 100644
--- a/lib/bundler/resolver.rb
+++ b/lib/bundler/resolver.rb
@@ -453,7 +453,7 @@ module Bundler
           message << if versions_with_platforms.any?
                        "The source contains '#{name}' at: #{formatted_versions_with_platforms(versions_with_platforms)}"
                      else
-                       "The source does not contain any versions of '#{requirement}'"
+                       "The source does not contain any versions of '#{name}'"
                      end
         else
           message = "Could not find gem '#{requirement}' in any of the gem sources " \
diff --git a/spec/commands/clean_spec.rb b/spec/commands/clean_spec.rb
index 387098cdc7..9be8f24fda 100644
--- a/spec/commands/clean_spec.rb
+++ b/spec/commands/clean_spec.rb
@@ -467,8 +467,9 @@ RSpec.describe "bundle clean" do
 
   describe "when missing permissions" do
     before { ENV["BUNDLE_PATH__SYSTEM"] = "true" }
+    let(:system_cache_path) { system_gem_path("cache") }
     after do
-      FileUtils.chmod(0o755, default_bundle_path("cache"))
+      FileUtils.chmod(0o755, system_cache_path)
     end
     it "returns a helpful error message" do
       gemfile <<-G
@@ -486,7 +487,6 @@ RSpec.describe "bundle clean" do
       G
       bundle :install
 
-      system_cache_path = default_bundle_path("cache")
       FileUtils.chmod(0o500, system_cache_path)
 
       bundle :clean, :force => true
diff --git a/spec/commands/exec_spec.rb b/spec/commands/exec_spec.rb
index 8acc00fc91..bcc436d39b 100644
--- a/spec/commands/exec_spec.rb
+++ b/spec/commands/exec_spec.rb
@@ -3,7 +3,7 @@
 RSpec.describe "bundle exec" do
   let(:system_gems_to_install) { %w[rack-1.0.0 rack-0.9.1] }
   before :each do
-    system_gems(system_gems_to_install)
+    system_gems(system_gems_to_install, :path => :bundle_path)
   end
 
   it "activates the correct gem" do
diff --git a/spec/commands/install_spec.rb b/spec/commands/install_spec.rb
index fd825a374f..46ec7105a0 100644
--- a/spec/commands/install_spec.rb
+++ b/spec/commands/install_spec.rb
@@ -29,13 +29,23 @@ RSpec.describe "bundle install with gem sources" do
       expect(bundled_app("Gemfile.lock")).to exist
     end
 
-    it "does not create ./.bundle by default" do
+    it "does not create ./.bundle by default", :bundler => "< 2" do
       gemfile <<-G
         source "file://#{gem_repo1}"
         gem "rack"
       G
 
-      bundle :install # can't use install_gemfile since it sets retry
+      bundle! :install # can't use install_gemfile since it sets retry
+      expect(bundled_app(".bundle")).not_to exist
+    end
+
+    it "does not create ./.bundle by default when installing to system gems" do
+      gemfile <<-G
+        source "file://#{gem_repo1}"
+        gem "rack"
+      G
+
+      bundle! :install, :env => { "BUNDLE_PATH__SYSTEM" => true } # can't use install_gemfile since it sets retry
       expect(bundled_app(".bundle")).not_to exist
     end
 
@@ -166,7 +176,7 @@ RSpec.describe "bundle install with gem sources" do
     end
 
     it "does not reinstall any gem that is already available locally" do
-      system_gems "activesupport-2.3.2"
+      system_gems "activesupport-2.3.2", :path => :bundle_path
 
       build_repo2 do
         build_gem "activesupport", "2.3.2" do |s|
@@ -183,7 +193,7 @@ RSpec.describe "bundle install with gem sources" do
     end
 
     it "works when the gemfile specifies gems that only exist in the system" do
-      build_gem "foo", :to_system => true
+      build_gem "foo", :to_bundle => true
       install_gemfile <<-G
         source "file://#{gem_repo1}"
         gem "rack"
@@ -194,7 +204,7 @@ RSpec.describe "bundle install with gem sources" do
     end
 
     it "prioritizes local gems over remote gems" do
-      build_gem "rack", "1.0.0", :to_system => true do |s|
+      build_gem "rack", "1.0.0", :to_bundle => true do |s|
         s.add_dependency "activesupport", "2.3.5"
       end
 
diff --git a/spec/commands/newgem_spec.rb b/spec/commands/newgem_spec.rb
index d08a0c0c6b..8543989ca2 100644
--- a/spec/commands/newgem_spec.rb
+++ b/spec/commands/newgem_spec.rb
@@ -191,8 +191,6 @@ RSpec.describe "bundle gem" do
   end
 
   it "generates a valid gemspec" do
-    system_gems ["rake-10.0.2"]
-
     in_app_root
     bundle "gem newgem --bin"
 
@@ -214,6 +212,7 @@ RSpec.describe "bundle gem" do
     end
 
     Dir.chdir(bundled_app("newgem")) do
+      system_gems ["rake-10.0.2"], :path => :bundle_path
       bundle! "exec rake build"
     end
 
diff --git a/spec/commands/show_spec.rb b/spec/commands/show_spec.rb
index 56d8b50a10..9b2648bf75 100644
--- a/spec/commands/show_spec.rb
+++ b/spec/commands/show_spec.rb
@@ -31,12 +31,12 @@ RSpec.describe "bundle show" do
     end
 
     it "warns if path no longer exists on disk" do
-      FileUtils.rm_rf("#{system_gem_path}/gems/rails-2.3.2")
+      FileUtils.rm_rf(default_bundle_path("gems", "rails-2.3.2"))
 
       bundle "show rails"
 
-      expect(out).to match(/has been deleted/i)
-      expect(out).to include(default_bundle_path("gems", "rails-2.3.2").to_s)
+      expect(out).to match(/has been deleted/i).
+        and include(default_bundle_path("gems", "rails-2.3.2").to_s)
     end
 
     it "prints the path to the running bundler" do
diff --git a/spec/install/allow_offline_install_spec.rb b/spec/install/allow_offline_install_spec.rb
index 6ef4a95df9..6b335e23d5 100644
--- a/spec/install/allow_offline_install_spec.rb
+++ b/spec/install/allow_offline_install_spec.rb
@@ -26,7 +26,7 @@ RSpec.describe "bundle install with :allow_offline_install" do
 
   context "with cached data locally" do
     it "will install from the compact index" do
-      system_gems ["rack-1.0.0"]
+      system_gems ["rack-1.0.0"], :path => :bundle_path
 
       install_gemfile! <<-G, :artifice => "compact_index"
         source "http://testgemserver.local"
diff --git a/spec/install/gemfile/gemspec_spec.rb b/spec/install/gemfile/gemspec_spec.rb
index 2585f7106f..6ab974ee41 100644
--- a/spec/install/gemfile/gemspec_spec.rb
+++ b/spec/install/gemfile/gemspec_spec.rb
@@ -2,8 +2,10 @@
 
 RSpec.describe "bundle install from an existing gemspec" do
   before(:each) do
-    build_gem "bar", :to_system => true
-    build_gem "bar-dev", :to_system => true
+    build_repo2 do
+      build_gem "bar"
+      build_gem "bar-dev"
+    end
   end
 
   it "should install runtime and development dependencies" do
@@ -39,8 +41,10 @@ RSpec.describe "bundle install from an existing gemspec" do
   end
 
   it "should handle a list of requirements" do
-    build_gem "baz", "1.0", :to_system => true
-    build_gem "baz", "1.1", :to_system => true
+    update_repo2 do
+      build_gem "baz", "1.0"
+      build_gem "baz", "1.1"
+    end
 
     build_lib("foo", :path => tmp.join("foo")) do |s|
       s.write("Gemfile", "source :rubygems\ngemspec")
@@ -169,7 +173,7 @@ RSpec.describe "bundle install from an existing gemspec" do
       s.add_dependency "platform_specific"
     end
 
-    install_gem "platform_specific-1.0-java"
+    system_gems "platform_specific-1.0-java", :path => :bundle_path, :keep_path => true
 
     install_gemfile! <<-G
       gemspec :path => '#{tmp.join("foo")}'
@@ -192,6 +196,7 @@ RSpec.describe "bundle install from an existing gemspec" do
   end
 
   it "allows the gemspec to activate other gems" do
+    ENV["BUNDLE_PATH__SYSTEM"] = "true"
     # see https://github.com/bundler/bundler/issues/5409
     #
     # issue was caused by rubygems having an unresolved gem during a require,
@@ -216,10 +221,10 @@ RSpec.describe "bundle install from an existing gemspec" do
       s.version = "1.0.0"
       s.add_dependency "bar", "= 1.0.0"
     end
-    build_gem "deps", :to_system => true do |s|
+    build_gem "deps", :to_bundle => true do |s|
       s.add_dependency "foo", "= 0.0.1"
     end
-    build_gem "foo", "0.0.1", :to_system => true
+    build_gem "foo", "0.0.1", :to_bundle => true
 
     install_gemfile <<-G
       source "file://#{gem_repo2}"
@@ -235,7 +240,7 @@ RSpec.describe "bundle install from an existing gemspec" do
       s.version = "1.0.0"
       s.add_dependency "bar", "= 1.0.0"
     end
-    build_repo2 do
+    update_repo2 do
       build_gem "deps" do |s|
         s.add_dependency "foo", "= 0.0.1"
       end
diff --git a/spec/install/gemfile/git_spec.rb b/spec/install/gemfile/git_spec.rb
index 71ef3c856f..a3e69325cc 100644
--- a/spec/install/gemfile/git_spec.rb
+++ b/spec/install/gemfile/git_spec.rb
@@ -287,7 +287,7 @@ RSpec.describe "bundle install with git sources" do
       # ensure we also git fetch after cloning
       bundle! :update, :all => bundle_update_requires_all?
 
-      Dir.chdir(Dir[system_gem_path("cache/bundler/git/foo-*")].first) do
+      Dir.chdir(Dir[default_bundle_path("cache/bundler/git/foo-*")].first) do
         sys_exec("git ls-remote .")
       end
 
@@ -893,6 +893,7 @@ RSpec.describe "bundle install with git sources" do
   it "prints a friendly error if a file blocks the git repo" do
     build_git "foo"
 
+    FileUtils.mkdir_p(default_bundle_path)
     FileUtils.touch(default_bundle_path("bundler"))
 
     install_gemfile <<-G
@@ -1118,7 +1119,7 @@ RSpec.describe "bundle install with git sources" do
       run! <<-R
         puts $:.grep(/ext/)
       R
-      expect(out).to eq(Pathname.glob(system_gem_path("bundler/gems/extensions/**/foo-1.0-*")).first.to_s)
+      expect(out).to eq(Pathname.glob(default_bundle_path("bundler/gems/extensions/**/foo-1.0-*")).first.to_s)
     end
 
     it "does not use old extension after ref changes" do
diff --git a/spec/install/gemfile/sources_spec.rb b/spec/install/gemfile/sources_spec.rb
index 6afe8bda59..0b837f87a1 100644
--- a/spec/install/gemfile/sources_spec.rb
+++ b/spec/install/gemfile/sources_spec.rb
@@ -394,7 +394,7 @@ RSpec.describe "bundle install with gems on multiple sources" do
 
     context "with an existing lockfile" do
       before do
-        system_gems "rack-0.9.1", "rack-1.0.0"
+        system_gems "rack-0.9.1", "rack-1.0.0", :path => :bundle_path
 
         lockfile <<-L
           GEM
diff --git a/spec/install/gems/compact_index_spec.rb b/spec/install/gems/compact_index_spec.rb
index 6dadbd9fca..273366c32f 100644
--- a/spec/install/gems/compact_index_spec.rb
+++ b/spec/install/gems/compact_index_spec.rb
@@ -830,7 +830,7 @@ The checksum of /versions does not match the checksum provided by the server! So
         and include("The checksum for the downloaded `rack-1.0.0.gem` does not match the checksum given by the server.").
         and include("This means the contents of the downloaded gem is different from what was uploaded to the server, and could be a potential security issue.").
         and include("To resolve this issue:").
-        and include("1. delete the downloaded gem located at: `#{system_gem_path}/gems/rack-1.0.0/rack-1.0.0.gem`").
+        and include("1. delete the downloaded gem located at: `#{default_bundle_path}/gems/rack-1.0.0/rack-1.0.0.gem`").
         and include("2. run `bundle install`").
         and include("If you wish to continue installing the downloaded gem, and are certain it does not pose a security issue despite the mismatching checksum, do the following:").
         and include("1. run `bundle config disable_checksum_validation true` to turn off checksum verification").
diff --git a/spec/install/gemspecs_spec.rb b/spec/install/gemspecs_spec.rb
index a404a556b7..0c1ed99097 100644
--- a/spec/install/gemspecs_spec.rb
+++ b/spec/install/gemspecs_spec.rb
@@ -33,8 +33,8 @@ RSpec.describe "bundle install" do
       gem 'rack'
     G
 
-    FileUtils.mkdir_p "#{tmp}/gems/system/specifications"
-    File.open("#{tmp}/gems/system/specifications/rack-1.0.0.gemspec", "w+") do |f|
+    FileUtils.mkdir_p "#{default_bundle_path}/specifications"
+    File.open("#{default_bundle_path}/specifications/rack-1.0.0.gemspec", "w+") do |f|
       spec = Gem::Specification.new do |s|
         s.name = "rack"
         s.version = "1.0.0"
diff --git a/spec/install/post_bundle_message_spec.rb b/spec/install/post_bundle_message_spec.rb
index 08b70f9512..a953847bac 100644
--- a/spec/install/post_bundle_message_spec.rb
+++ b/spec/install/post_bundle_message_spec.rb
@@ -13,11 +13,13 @@ RSpec.describe "post bundle message" do
     G
   end
 
-  let(:bundle_show_message)       { "Use `bundle info [gemname]` to see where a bundled gem is installed." }
-  let(:bundle_deployment_message) { "Bundled gems are installed into `./vendor`" }
-  let(:bundle_complete_message)   { "Bundle complete!" }
-  let(:bundle_updated_message)    { "Bundle updated!" }
-  let(:installed_gems_stats)      { "4 Gemfile dependencies, 5 gems now installed." }
+  let(:bundle_path)                { "./.bundle" }
+  let(:bundle_show_system_message) { "Use `bundle info [gemname]` to see where a bundled gem is installed." }
+  let(:bundle_show_path_message)   { "Bundled gems are installed into `#{bundle_path}`" }
+  let(:bundle_complete_message)    { "Bundle complete!" }
+  let(:bundle_updated_message)     { "Bundle updated!" }
+  let(:installed_gems_stats)       { "4 Gemfile dependencies, 5 gems now installed." }
+  let(:bundle_show_message)        { Bundler::VERSION.split(".").first.to_i < 2 ? bundle_show_system_message : bundle_show_path_message }
 
   describe "for fresh bundle install" do
     it "without any options" do
@@ -53,30 +55,32 @@ RSpec.describe "post bundle message" do
     end
 
     describe "with --path and" do
+      let(:bundle_path) { "./vendor" }
+
       it "without any options" do
         bundle! :install, forgotten_command_line_options(:path => "vendor")
-        expect(out).to include(bundle_deployment_message)
+        expect(out).to include(bundle_show_path_message)
         expect(out).to_not include("Gems in the group")
         expect(out).to include(bundle_complete_message)
       end
 
       it "with --without one group" do
         bundle! :install, forgotten_command_line_options(:without => "emo", :path => "vendor")
-        expect(out).to include(bundle_deployment_message)
+        expect(out).to include(bundle_show_path_message)
         expect(out).to include("Gems in the group emo were not installed")
         expect(out).to include(bundle_complete_message)
       end
 
       it "with --without two groups" do
         bundle! :install, forgotten_command_line_options(:without => "emo test", :path => "vendor")
-        expect(out).to include(bundle_deployment_message)
+        expect(out).to include(bundle_show_path_message)
         expect(out).to include("Gems in the groups emo and test were not installed")
         expect(out).to include(bundle_complete_message)
       end
 
       it "with --without more groups" do
         bundle! :install, forgotten_command_line_options(:without => "emo obama test", :path => "vendor")
-        expect(out).to include(bundle_deployment_message)
+        expect(out).to include(bundle_show_path_message)
         expect(out).to include("Gems in the groups emo, obama and test were not installed")
         expect(out).to include(bundle_complete_message)
       end
diff --git a/spec/install/process_lock_spec.rb b/spec/install/process_lock_spec.rb
index 113fd37934..02217f493b 100644
--- a/spec/install/process_lock_spec.rb
+++ b/spec/install/process_lock_spec.rb
@@ -2,6 +2,8 @@
 
 RSpec.describe "process lock spec" do
   describe "when an install operation is already holding a process lock" do
+    before { FileUtils.mkdir_p(default_bundle_path) }
+
     it "will not run a second concurrent bundle install until the lock is released" do
       thread = Thread.new do
         Bundler::ProcessLock.lock(default_bundle_path) do
diff --git a/spec/other/platform_spec.rb b/spec/other/platform_spec.rb
index 7b0c71311f..63831c89b6 100644
--- a/spec/other/platform_spec.rb
+++ b/spec/other/platform_spec.rb
@@ -595,7 +595,7 @@ G
     end
 
     it "prints path if ruby version is correct" do
-      gemfile <<-G
+      install_gemfile! <<-G
         source "file://#{gem_repo1}"
         gem "rails"
 
@@ -608,7 +608,7 @@ G
 
     it "prints path if ruby version is correct for any engine" do
       simulate_ruby_engine "jruby" do
-        gemfile <<-G
+        install_gemfile! <<-G
           source "file://#{gem_repo1}"
           gem "rails"
 
@@ -676,11 +676,10 @@ G
 
   context "bundle cache" do
     before do
-      gemfile <<-G
+      install_gemfile <<-G
+        source "file:#{gem_repo1}"
         gem 'rack'
       G
-
-      system_gems "rack-1.0.0"
     end
 
     it "copies the .gem file to vendor/cache when ruby version matches" do
@@ -696,13 +695,14 @@ G
 
     it "copies the .gem file to vendor/cache when ruby version matches for any engine" do
       simulate_ruby_engine "jruby" do
-        gemfile <<-G
+        install_gemfile! <<-G
+          source "file:#{gem_repo1}"
           gem 'rack'
 
           #{ruby_version_correct_engineless}
         G
 
-        bundle :cache
+        bundle! :cache
         expect(bundled_app("vendor/cache/rack-1.0.0.gem")).to exist
       end
     end
@@ -757,11 +757,10 @@ G
 
   context "bundle pack" do
     before do
-      gemfile <<-G
+      install_gemfile! <<-G
+        source "file:#{gem_repo1}"
         gem 'rack'
       G
-
-      system_gems "rack-1.0.0"
     end
 
     it "copies the .gem file to vendor/cache when ruby version matches" do
@@ -777,7 +776,8 @@ G
 
     it "copies the .gem file to vendor/cache when ruby version matches any engine" do
       simulate_ruby_engine "jruby" do
-        gemfile <<-G
+        install_gemfile! <<-G
+          source "file:#{gem_repo1}"
           gem 'rack'
 
           #{ruby_version_correct_engineless}
@@ -839,7 +839,7 @@ G
   context "bundle exec" do
     before do
       ENV["BUNDLER_FORCE_TTY"] = "true"
-      system_gems "rack-1.0.0", "rack-0.9.1"
+      system_gems "rack-1.0.0", "rack-0.9.1", :path => :bundle_path
     end
 
     it "activates the correct gem when ruby version matches" do
@@ -855,6 +855,7 @@ G
 
     it "activates the correct gem when ruby version matches any engine" do
       simulate_ruby_engine "jruby" do
+        system_gems "rack-1.0.0", "rack-0.9.1", :path => :bundle_path
         gemfile <<-G
           gem "rack", "0.9.1"
 
@@ -1179,6 +1180,7 @@ G
 
     it "returns list of outdated gems when the ruby version matches for any engine" do
       simulate_ruby_engine "jruby" do
+        bundle! :install
         update_repo2 do
           build_gem "activesupport", "3.0"
           update_git "foo", :path => lib_path("foo")
diff --git a/spec/runtime/load_spec.rb b/spec/runtime/load_spec.rb
index 8f38e4fd04..b74dbde3f6 100644
--- a/spec/runtime/load_spec.rb
+++ b/spec/runtime/load_spec.rb
@@ -1,13 +1,9 @@
 # frozen_string_literal: true
 
 RSpec.describe "Bundler.load" do
-  before :each do
-    system_gems "rack-1.0.0"
-  end
-
   describe "with a gemfile" do
     before(:each) do
-      gemfile <<-G
+      install_gemfile! <<-G
         source "file://#{gem_repo1}"
         gem "rack"
       G
@@ -35,6 +31,7 @@ RSpec.describe "Bundler.load" do
         source "file://#{gem_repo1}"
         gem "rack"
       G
+      bundle! :install
     end
 
     it "provides a list of the env dependencies" do
@@ -76,13 +73,13 @@ RSpec.describe "Bundler.load" do
 
   describe "when called twice" do
     it "doesn't try to load the runtime twice" do
-      system_gems "rack-1.0.0", "activesupport-2.3.5"
-      gemfile <<-G
+      install_gemfile! <<-G
+        source "file:#{gem_repo1}"
         gem "rack"
         gem "activesupport", :group => :test
       G
 
-      ruby <<-RUBY
+      ruby! <<-RUBY
         require "bundler"
         Bundler.setup :default
         Bundler.require :default
@@ -100,8 +97,8 @@ RSpec.describe "Bundler.load" do
 
   describe "not hurting brittle rubygems" do
     it "does not inject #source into the generated YAML of the gem specs" do
-      system_gems "activerecord-2.3.2", "activesupport-2.3.2"
-      gemfile <<-G
+      install_gemfile! <<-G
+        source "file:#{gem_repo1}"
         gem "activerecord"
       G
 
diff --git a/spec/runtime/platform_spec.rb b/spec/runtime/platform_spec.rb
index 5160d602e0..f38f733845 100644
--- a/spec/runtime/platform_spec.rb
+++ b/spec/runtime/platform_spec.rb
@@ -48,10 +48,8 @@ RSpec.describe "Bundler.setup with multi platform stuff" do
         nokogiri
     G
 
-    system_gems "nokogiri-1.4.2"
-
     simulate_platform "x86-darwin-10"
-    gemfile <<-G
+    install_gemfile! <<-G
       source "file://#{gem_repo1}"
       gem "nokogiri"
     G
@@ -77,9 +75,7 @@ RSpec.describe "Bundler.setup with multi platform stuff" do
 
     simulate_platform "x86-darwin-100"
 
-    system_gems "nokogiri-1.4.2", "platform_specific-1.0-x86-darwin-100"
-
-    gemfile <<-G
+    install_gemfile! <<-G
       source "file://#{gem_repo1}"
       gem "nokogiri"
       gem "platform_specific"
diff --git a/spec/runtime/require_spec.rb b/spec/runtime/require_spec.rb
index 5dcbba5d06..3eccd60fba 100644
--- a/spec/runtime/require_spec.rb
+++ b/spec/runtime/require_spec.rb
@@ -314,7 +314,7 @@ RSpec.describe "Bundler.require" do
 
     describe "a gem with different requires for different envs" do
       before(:each) do
-        build_gem "multi_gem", :to_system => true do |s|
+        build_gem "multi_gem", :to_bundle => true do |s|
           s.write "lib/one.rb", "puts 'ONE'"
           s.write "lib/two.rb", "puts 'TWO'"
         end
@@ -355,7 +355,7 @@ RSpec.describe "Bundler.require" do
 
     describe "with busted gems" do
       it "should be busted" do
-        build_gem "busted_require", :to_system => true do |s|
+        build_gem "busted_require", :to_bundle => true do |s|
           s.write "lib/busted_require.rb", "require 'no_such_file_omg'"
         end
 
diff --git a/spec/runtime/setup_spec.rb b/spec/runtime/setup_spec.rb
index 3f95399c2b..0ea07c7b0a 100644
--- a/spec/runtime/setup_spec.rb
+++ b/spec/runtime/setup_spec.rb
@@ -116,7 +116,7 @@ RSpec.describe "Bundler.setup" do
         tmp("rubygems/lib").to_s,
         root.join("../lib").expand_path.to_s,
       ] - without_bundler_load_path
-      lp.map! {|p| p.sub(/^#{system_gem_path}/, "") }
+      lp.map! {|p| p.sub(/^#{Regexp.union system_gem_path.to_s, default_bundle_path.to_s}/i, "") }
     end
 
     it "puts loaded gems after -I and RUBYLIB" do
@@ -787,7 +787,7 @@ end
         G
 
         run! "puts ENV['MANPATH']"
-        expect(out).to eq("#{system_gem_path("gems/with_man-1.0/man")}:/foo")
+        expect(out).to eq("#{default_bundle_path("gems/with_man-1.0/man")}:/foo")
       end
     end
 
@@ -801,7 +801,7 @@ end
         G
 
         run! "puts ENV['MANPATH']"
-        expect(out).to eq(system_gem_path("gems/with_man-1.0/man").to_s)
+        expect(out).to eq(default_bundle_path("gems/with_man-1.0/man").to_s)
       end
     end
   end
@@ -995,6 +995,7 @@ end
 
   describe "with system gems in the bundle" do
     before :each do
+      bundle! "config path.system true"
       system_gems "rack-1.0.0"
 
       install_gemfile <<-G
@@ -1008,7 +1009,6 @@ end
       run "puts Gem.path"
       paths = out.split("\n")
       expect(paths).to include(system_gem_path.to_s)
-      expect(paths).to include(default_bundle_path.to_s)
     end
   end
 
@@ -1310,6 +1310,8 @@ end
           end
         end
 
+        default_gems.reject! {|g| exemptions.include?(g) }
+
         install_gemfile! <<-G
           source "file:#{gem_repo4}"
           #{default_gems}.each do |g|
diff --git a/spec/support/builders.rb b/spec/support/builders.rb
index 6b15cffe5a..af91c5e6a7 100644
--- a/spec/support/builders.rb
+++ b/spec/support/builders.rb
@@ -718,18 +718,21 @@ module Spec
     class GemBuilder < LibBuilder
       def _build(opts)
         lib_path = super(opts.merge(:path => @context.tmp(".tmp/#{@spec.full_name}"), :no_default => opts[:no_default]))
+        destination = opts[:path] || _default_path
         Dir.chdir(lib_path) do
-          destination = opts[:path] || _default_path
           FileUtils.mkdir_p(destination)
 
           @spec.authors = ["that guy"] if !@spec.authors || @spec.authors.empty?
 
           Bundler.rubygems.build(@spec, opts[:skip_validation])
-          if opts[:to_system]
-            `gem install --ignore-dependencies --no-ri --no-rdoc #{@spec.full_name}.gem`
-          else
-            FileUtils.mv("#{@spec.full_name}.gem", opts[:path] || _default_path)
-          end
+        end
+        gem_path = File.expand_path("#{@spec.full_name}.gem", lib_path)
+        if opts[:to_system]
+          @context.system_gems gem_path, :keep_path => true
+        elsif opts[:to_bundle]
+          @context.system_gems gem_path, :path => :bundle_path, :keep_path => true
+        else
+          FileUtils.mv(gem_path, destination)
         end
       end
 
diff --git a/spec/support/helpers.rb b/spec/support/helpers.rb
index be187d5332..a0b46bfad7 100644
--- a/spec/support/helpers.rb
+++ b/spec/support/helpers.rb
@@ -362,11 +362,24 @@ module Spec
     def system_gems(*gems)
       opts = gems.last.is_a?(Hash) ? gems.last : {}
       path = opts.fetch(:path, system_gem_path)
-      path = ruby!("require 'bundler'; puts Bundler.bundle_path") if path == :bundle_path
+      if path == :bundle_path
+        path = ruby!(<<-RUBY)
+          require "bundler"
+          begin
+            puts Bundler.bundle_path
+          rescue Bundler::GemfileNotFound
+            ENV["BUNDLE_GEMFILE"] = "Gemfile"
+            retry
+          end
+
+        RUBY
+      end
       gems = gems.flatten
 
-      FileUtils.rm_rf(path)
-      FileUtils.mkdir_p(path)
+      unless opts[:keep_path]
+        FileUtils.rm_rf(path)
+        FileUtils.mkdir_p(path)
+      end
 
       Gem.clear_paths
 
@@ -426,7 +439,7 @@ module Spec
 
     def simulate_new_machine
       system_gems []
-      FileUtils.rm_rf default_bundle_path
+      FileUtils.rm_rf system_gem_path
       FileUtils.rm_rf bundled_app(".bundle")
     end
 
diff --git a/spec/support/path.rb b/spec/support/path.rb
index cc9c5b3cad..54fc03c850 100644
--- a/spec/support/path.rb
+++ b/spec/support/path.rb
@@ -17,7 +17,11 @@ module Spec
     end
 
     def default_bundle_path(*path)
-      system_gem_path(*path)
+      if Bundler::VERSION.split(".").first.to_i < 2
+        system_gem_path(*path)
+      else
+        bundled_app(*[".bundle", ENV.fetch("BUNDLER_SPEC_RUBY_ENGINE", Gem.ruby_engine), Gem::ConfigMap[:ruby_version], *path].compact)
+      end
     end
 
     def bundled_app(*path)
diff --git a/spec/update/git_spec.rb b/spec/update/git_spec.rb
index b8f98ade27..95b0a95976 100644
--- a/spec/update/git_spec.rb
+++ b/spec/update/git_spec.rb
@@ -56,7 +56,7 @@ RSpec.describe "bundle update" do
 
     it "floats on master when updating all gems that are pinned to the source even if you have child dependencies" do
       build_git "foo", :path => lib_path("foo")
-      build_gem "bar", :to_system => true do |s|
+      build_gem "bar", :to_bundle => true do |s|
         s.add_dependency "foo"
       end
 
@@ -117,7 +117,7 @@ RSpec.describe "bundle update" do
 
     describe "with submodules" do
       before :each do
-        build_gem "submodule", :to_system => true do |s|
+        build_gem "submodule", :to_bundle => true do |s|
           s.write "lib/submodule.rb", "puts 'GEM'"
         end