Vendor all Homebrew's gems.

Homebrew's actually ended up using a fair few gems. While we want to
avoid Bundler at runtime (and this PR still does that, in fact uses
Bundler even less at runtime than it did before) writing our own version
to use at build-time seems redundant.

6 files changed, 10 insertions, 89 deletions

diff --git a/Library/Homebrew/test/Gemfile b/Library/Homebrew/test/Gemfile
deleted file mode 100644
index f3c16c710..000000000
--- a/Library/Homebrew/test/Gemfile
+++ /dev/null
@@ -1,12 +0,0 @@
-source "https://rubygems.org"
-
-gem "parallel_tests"
-gem "rspec"
-gem "rubocop"
-gem "rspec-its", require: false
-gem "rspec-wait", require: false
-
-group :coverage do
-  gem "simplecov", require: false
-  gem "codecov", require: false
-end
diff --git a/Library/Homebrew/test/Gemfile.lock b/Library/Homebrew/test/Gemfile.lock
deleted file mode 100644
index 4d4eefd7d..000000000
--- a/Library/Homebrew/test/Gemfile.lock
+++ /dev/null
@@ -1,65 +0,0 @@
-GEM
-  remote: https://rubygems.org/
-  specs:
-    ast (2.3.0)
-    codecov (0.1.9)
-      json
-      simplecov
-      url
-    diff-lcs (1.3)
-    docile (1.1.5)
-    json (2.0.3)
-    parallel (1.10.0)
-    parallel_tests (2.13.0)
-      parallel
-    parser (2.4.0.0)
-      ast (~> 2.2)
-    powerpack (0.1.1)
-    rainbow (2.2.1)
-    rspec (3.5.0)
-      rspec-core (~> 3.5.0)
-      rspec-expectations (~> 3.5.0)
-      rspec-mocks (~> 3.5.0)
-    rspec-core (3.5.4)
-      rspec-support (~> 3.5.0)
-    rspec-expectations (3.5.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.5.0)
-    rspec-its (1.2.0)
-      rspec-core (>= 3.0.0)
-      rspec-expectations (>= 3.0.0)
-    rspec-mocks (3.5.0)
-      diff-lcs (>= 1.2.0, < 2.0)
-      rspec-support (~> 3.5.0)
-    rspec-support (3.5.0)
-    rspec-wait (0.0.9)
-      rspec (>= 3, < 4)
-    rubocop (0.47.1)
-      parser (>= 2.3.3.1, < 3.0)
-      powerpack (~> 0.1)
-      rainbow (>= 1.99.1, < 3.0)
-      ruby-progressbar (~> 1.7)
-      unicode-display_width (~> 1.0, >= 1.0.1)
-    ruby-progressbar (1.8.1)
-    simplecov (0.13.0)
-      docile (~> 1.1.0)
-      json (>= 1.8, < 3)
-      simplecov-html (~> 0.10.0)
-    simplecov-html (0.10.0)
-    unicode-display_width (1.1.3)
-    url (0.3.2)
-
-PLATFORMS
-  ruby
-
-DEPENDENCIES
-  codecov
-  parallel_tests
-  rspec
-  rspec-its
-  rspec-wait
-  rubocop
-  simplecov
-
-BUNDLED WITH
-   1.14.5
diff --git a/Library/Homebrew/test/cask/cask_spec.rb b/Library/Homebrew/test/cask/cask_spec.rb
index 3736f3c01..a8c4ecf5f 100644
--- a/Library/Homebrew/test/cask/cask_spec.rb
+++ b/Library/Homebrew/test/cask/cask_spec.rb
@@ -24,7 +24,7 @@ describe Hbc::Cask, :cask do
   describe "load" do
     let(:tap_path) { Hbc.default_tap.path }
     let(:file_dirname) { Pathname.new(__FILE__).dirname }
-    let(:relative_tap_path) { tap_path.relative_path_from(file_dirname) }
+    let(:relative_tap_path) { tap_path.realpath.relative_path_from(file_dirname) }
 
     it "returns an instance of the Cask for the given token" do
       c = Hbc::CaskLoader.load("local-caffeine")
@@ -56,7 +56,9 @@ describe Hbc::Cask, :cask do
     end
 
     it "returns an instance of the Cask from a relative file location" do
-      c = Hbc::CaskLoader.load(relative_tap_path/"Casks/local-caffeine.rb")
+      c = file_dirname.cd do
+        Hbc::CaskLoader.load(relative_tap_path/"Casks/local-caffeine.rb")
+      end
       expect(c).to be_kind_of(Hbc::Cask)
       expect(c.token).to eq("local-caffeine")
     end
diff --git a/Library/Homebrew/test/cask/cli/style_spec.rb b/Library/Homebrew/test/cask/cli/style_spec.rb
index d41636beb..d021d8000 100644
--- a/Library/Homebrew/test/cask/cli/style_spec.rb
+++ b/Library/Homebrew/test/cask/cli/style_spec.rb
@@ -62,7 +62,7 @@ describe Hbc::CLI::Style, :cask do
 
     context "when installation succeeds" do
       before do
-        allow(Homebrew).to receive(:install_gem_setup_path!)
+        allow(Homebrew).to receive(:run_bundler_if_needed!)
       end
 
       it "exits successfully" do
@@ -72,7 +72,7 @@ describe Hbc::CLI::Style, :cask do
 
     context "when installation fails" do
       before do
-        allow(Homebrew).to receive(:install_gem_setup_path!).and_raise(SystemExit)
+        allow(Homebrew).to receive(:run_bundler_if_needed!).and_raise(SystemExit)
       end
 
       it "raises an error" do
diff --git a/Library/Homebrew/test/support/helper/spec/shared_context/integration_test.rb b/Library/Homebrew/test/support/helper/spec/shared_context/integration_test.rb
index ae1854f58..3a36f1853 100644
--- a/Library/Homebrew/test/support/helper/spec/shared_context/integration_test.rb
+++ b/Library/Homebrew/test/support/helper/spec/shared_context/integration_test.rb
@@ -89,12 +89,10 @@ RSpec.shared_context "integration test" do
     ruby_args << "-rtest/support/helper/integration_mocks"
     ruby_args << (HOMEBREW_LIBRARY_PATH/"brew.rb").resolved_path.to_s
 
-    Bundler.with_original_env do
-      stdout, stderr, status = Open3.capture3(env, RUBY_PATH, *ruby_args, *args)
-      $stdout.print stdout
-      $stderr.print stderr
-      status
-    end
+    stdout, stderr, status = Open3.capture3(env, RUBY_PATH, *ruby_args, *args)
+    $stdout.print stdout
+    $stderr.print stderr
+    status
   end
 
   def setup_test_formula(name, content = nil)
diff --git a/Library/Homebrew/test/support/lib/config.rb b/Library/Homebrew/test/support/lib/config.rb
index 3a0a76722..fb5c210fe 100644
--- a/Library/Homebrew/test/support/lib/config.rb
+++ b/Library/Homebrew/test/support/lib/config.rb
@@ -2,8 +2,6 @@ unless ENV["HOMEBREW_BREW_FILE"]
   raise "HOMEBREW_BREW_FILE was not exported! Please call bin/brew directly!"
 end
 
-require "constants"
-
 require "tmpdir"
 require "pathname"