diff --git a/Library/Homebrew/global.rb b/Library/Homebrew/global.rb
index e90846fc1..3d1e293d7 100644
--- a/Library/Homebrew/global.rb
+++ b/Library/Homebrew/global.rb
@@ -1,23 +1,15 @@
-require "pathname"
 require "English"
 require "json"
 require "json/add/exception"
+require "pathname"
+require "ostruct"
+require "pp"
 
-HOMEBREW_LIBRARY_PATH = Pathname.new(__FILE__).realpath.parent
-
-unless $LOAD_PATH.include?(HOMEBREW_LIBRARY_PATH.to_s)
-  $LOAD_PATH.push(HOMEBREW_LIBRARY_PATH.to_s)
-end
+require_relative "load_path"
 
 require "config"
-
-require "English"
-require "ostruct"
-require "messages"
-
-require "pp"
 require "extend/ARGV"
-
+require "messages"
 require "system_command"
 
 ARGV.extend(HomebrewArgvExtension)
diff --git a/Library/Homebrew/load_path.rb b/Library/Homebrew/load_path.rb
new file mode 100644
index 000000000..bab8941a9
--- /dev/null
+++ b/Library/Homebrew/load_path.rb
@@ -0,0 +1,7 @@
+require "pathname"
+
+HOMEBREW_LIBRARY_PATH = Pathname(__dir__).realpath
+
+unless $LOAD_PATH.include?(HOMEBREW_LIBRARY_PATH.to_s)
+  $LOAD_PATH.push(HOMEBREW_LIBRARY_PATH.to_s)
+end
diff --git a/Library/Homebrew/rubocops.rb b/Library/Homebrew/rubocops.rb
index e0a532363..b5dd08187 100644
--- a/Library/Homebrew/rubocops.rb
+++ b/Library/Homebrew/rubocops.rb
@@ -1,14 +1,16 @@
-require_relative "./rubocops/formula_desc_cop"
-require_relative "./rubocops/components_order_cop"
-require_relative "./rubocops/components_redundancy_cop"
-require_relative "./rubocops/dependency_order_cop"
-require_relative "./rubocops/homepage_cop"
-require_relative "./rubocops/text_cop"
-require_relative "./rubocops/caveats_cop"
-require_relative "./rubocops/checksum_cop"
-require_relative "./rubocops/patches_cop"
-require_relative "./rubocops/conflicts_cop"
-require_relative "./rubocops/options_cop"
-require_relative "./rubocops/urls_cop"
-require_relative "./rubocops/lines_cop"
-require_relative "./rubocops/class_cop"
+require_relative "load_path"
+
+require "rubocops/formula_desc_cop"
+require "rubocops/components_order_cop"
+require "rubocops/components_redundancy_cop"
+require "rubocops/dependency_order_cop"
+require "rubocops/homepage_cop"
+require "rubocops/text_cop"
+require "rubocops/caveats_cop"
+require "rubocops/checksum_cop"
+require "rubocops/patches_cop"
+require "rubocops/conflicts_cop"
+require "rubocops/options_cop"
+require "rubocops/urls_cop"
+require "rubocops/lines_cop"
+require "rubocops/class_cop"
diff --git a/Library/Homebrew/rubocops/caveats_cop.rb b/Library/Homebrew/rubocops/caveats_cop.rb
index 3935d5638..7ce22f22a 100644
--- a/Library/Homebrew/rubocops/caveats_cop.rb
+++ b/Library/Homebrew/rubocops/caveats_cop.rb
@@ -1,4 +1,4 @@
-require_relative "./extend/formula_cop"
+require "rubocops/extend/formula_cop"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/checksum_cop.rb b/Library/Homebrew/rubocops/checksum_cop.rb
index 4dd8ad91c..6eee16f2b 100644
--- a/Library/Homebrew/rubocops/checksum_cop.rb
+++ b/Library/Homebrew/rubocops/checksum_cop.rb
@@ -1,4 +1,4 @@
-require_relative "./extend/formula_cop"
+require "rubocops/extend/formula_cop"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/class_cop.rb b/Library/Homebrew/rubocops/class_cop.rb
index 10263f163..1a41b7b25 100644
--- a/Library/Homebrew/rubocops/class_cop.rb
+++ b/Library/Homebrew/rubocops/class_cop.rb
@@ -1,4 +1,4 @@
-require_relative "./extend/formula_cop"
+require "rubocops/extend/formula_cop"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/components_order_cop.rb b/Library/Homebrew/rubocops/components_order_cop.rb
index 245833405..385d36837 100644
--- a/Library/Homebrew/rubocops/components_order_cop.rb
+++ b/Library/Homebrew/rubocops/components_order_cop.rb
@@ -1,4 +1,4 @@
-require_relative "./extend/formula_cop"
+require "rubocops/extend/formula_cop"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/components_redundancy_cop.rb b/Library/Homebrew/rubocops/components_redundancy_cop.rb
index b6986db60..553800337 100644
--- a/Library/Homebrew/rubocops/components_redundancy_cop.rb
+++ b/Library/Homebrew/rubocops/components_redundancy_cop.rb
@@ -1,4 +1,4 @@
-require_relative "./extend/formula_cop"
+require "rubocops/extend/formula_cop"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/conflicts_cop.rb b/Library/Homebrew/rubocops/conflicts_cop.rb
index 826c98616..c7b37c51e 100644
--- a/Library/Homebrew/rubocops/conflicts_cop.rb
+++ b/Library/Homebrew/rubocops/conflicts_cop.rb
@@ -1,5 +1,5 @@
-require_relative "./extend/formula_cop"
-require_relative "../extend/string"
+require "rubocops/extend/formula_cop"
+require "extend/string"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/dependency_order_cop.rb b/Library/Homebrew/rubocops/dependency_order_cop.rb
index 884ed0c1d..ab3056253 100644
--- a/Library/Homebrew/rubocops/dependency_order_cop.rb
+++ b/Library/Homebrew/rubocops/dependency_order_cop.rb
@@ -1,4 +1,4 @@
-require_relative "./extend/formula_cop"
+require "rubocops/extend/formula_cop"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/extend/formula_cop.rb b/Library/Homebrew/rubocops/extend/formula_cop.rb
index 362a5134c..73d7c4ae0 100644
--- a/Library/Homebrew/rubocops/extend/formula_cop.rb
+++ b/Library/Homebrew/rubocops/extend/formula_cop.rb
@@ -7,7 +7,7 @@ ensure
   $VERBOSE = old_verbosity
 end
 
-require_relative "../../extend/string"
+require "extend/string"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/formula_desc_cop.rb b/Library/Homebrew/rubocops/formula_desc_cop.rb
index abdaf869f..5d3483f66 100644
--- a/Library/Homebrew/rubocops/formula_desc_cop.rb
+++ b/Library/Homebrew/rubocops/formula_desc_cop.rb
@@ -1,5 +1,5 @@
-require_relative "./extend/formula_cop"
-require_relative "../extend/string"
+require "rubocops/extend/formula_cop"
+require "extend/string"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/homepage_cop.rb b/Library/Homebrew/rubocops/homepage_cop.rb
index ea7aa9196..1c07f2896 100644
--- a/Library/Homebrew/rubocops/homepage_cop.rb
+++ b/Library/Homebrew/rubocops/homepage_cop.rb
@@ -1,4 +1,4 @@
-require_relative "./extend/formula_cop"
+require "rubocops/extend/formula_cop"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/lines_cop.rb b/Library/Homebrew/rubocops/lines_cop.rb
index 551c9aec2..6a17fd2fc 100644
--- a/Library/Homebrew/rubocops/lines_cop.rb
+++ b/Library/Homebrew/rubocops/lines_cop.rb
@@ -1,4 +1,4 @@
-require_relative "./extend/formula_cop"
+require "rubocops/extend/formula_cop"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/options_cop.rb b/Library/Homebrew/rubocops/options_cop.rb
index c39709d7b..db20d9576 100644
--- a/Library/Homebrew/rubocops/options_cop.rb
+++ b/Library/Homebrew/rubocops/options_cop.rb
@@ -1,4 +1,4 @@
-require_relative "./extend/formula_cop"
+require "rubocops/extend/formula_cop"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/patches_cop.rb b/Library/Homebrew/rubocops/patches_cop.rb
index da89510ad..338fcf235 100644
--- a/Library/Homebrew/rubocops/patches_cop.rb
+++ b/Library/Homebrew/rubocops/patches_cop.rb
@@ -1,5 +1,5 @@
-require_relative "./extend/formula_cop"
-require_relative "../extend/string"
+require "rubocops/extend/formula_cop"
+require "extend/string"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/text_cop.rb b/Library/Homebrew/rubocops/text_cop.rb
index da828fe11..0ca6bce28 100644
--- a/Library/Homebrew/rubocops/text_cop.rb
+++ b/Library/Homebrew/rubocops/text_cop.rb
@@ -1,4 +1,4 @@
-require_relative "./extend/formula_cop"
+require "rubocops/extend/formula_cop"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/rubocops/urls_cop.rb b/Library/Homebrew/rubocops/urls_cop.rb
index 30420a793..0dfe5158b 100644
--- a/Library/Homebrew/rubocops/urls_cop.rb
+++ b/Library/Homebrew/rubocops/urls_cop.rb
@@ -1,4 +1,4 @@
-require_relative "./extend/formula_cop"
+require "rubocops/extend/formula_cop"
 
 module RuboCop
   module Cop
diff --git a/Library/Homebrew/tap.rb b/Library/Homebrew/tap.rb
index 7d5010259..7b7ec6a72 100644
--- a/Library/Homebrew/tap.rb
+++ b/Library/Homebrew/tap.rb
@@ -271,7 +271,7 @@ class Tap
           raise "Cannot tap #{name}: invalid syntax in tap!"
         end
       end
-    rescue Interrupt, ErrorDuringExecution, RuntimeError
+    rescue Interrupt, RuntimeError
       ignore_interrupts do
         # wait for git to possibly cleanup the top directory when interrupt happens.
         sleep 0.1
diff --git a/Library/Homebrew/test/rubocop_spec.rb b/Library/Homebrew/test/rubocop_spec.rb
new file mode 100644
index 000000000..64f86ad44
--- /dev/null
+++ b/Library/Homebrew/test/rubocop_spec.rb
@@ -0,0 +1,18 @@
+require "open3"
+
+describe "RuboCop" do
+  context "when calling `rubocop` outside of the Homebrew environment" do
+    before do
+      ENV.keys.each do |key|
+        ENV.delete(key) if key.start_with?("HOMEBREW_")
+      end
+
+      ENV["XDG_CACHE_HOME"] = "#{HOMEBREW_CACHE}/style"
+    end
+
+    it "loads all Formula cops without errors" do
+      _, _, status = Open3.capture3("rubocop", TEST_FIXTURE_DIR/"testball.rb")
+      expect(status).to be_a_success
+    end
+  end
+end
diff --git a/Library/Homebrew/test/rubocops/caveats_cop_spec.rb b/Library/Homebrew/test/rubocops/caveats_cop_spec.rb
index 3ab4efd14..c38f9d4ea 100644
--- a/Library/Homebrew/test/rubocops/caveats_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/caveats_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/caveats_cop"
+require "rubocops/caveats_cop"
 
 describe RuboCop::Cop::FormulaAudit::Caveats do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/checksum_cop_spec.rb b/Library/Homebrew/test/rubocops/checksum_cop_spec.rb
index edc301584..802bcfee6 100644
--- a/Library/Homebrew/test/rubocops/checksum_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/checksum_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/checksum_cop"
+require "rubocops/checksum_cop"
 
 describe RuboCop::Cop::FormulaAudit::Checksum do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/class_cop_spec.rb b/Library/Homebrew/test/rubocops/class_cop_spec.rb
index 7ada0bebd..8273f3ebc 100644
--- a/Library/Homebrew/test/rubocops/class_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/class_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/class_cop"
+require "rubocops/class_cop"
 
 describe RuboCop::Cop::FormulaAudit::ClassName do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/components_order_cop_spec.rb b/Library/Homebrew/test/rubocops/components_order_cop_spec.rb
index cc69b696e..38a25cfc6 100644
--- a/Library/Homebrew/test/rubocops/components_order_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/components_order_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/components_order_cop"
+require "rubocops/components_order_cop"
 
 describe RuboCop::Cop::FormulaAudit::ComponentsOrder do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/components_redundancy_cop_spec.rb b/Library/Homebrew/test/rubocops/components_redundancy_cop_spec.rb
index f363ca385..3cb44387c 100644
--- a/Library/Homebrew/test/rubocops/components_redundancy_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/components_redundancy_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/components_redundancy_cop"
+require "rubocops/components_redundancy_cop"
 
 describe RuboCop::Cop::FormulaAudit::ComponentsRedundancy do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/conflicts_cop_spec.rb b/Library/Homebrew/test/rubocops/conflicts_cop_spec.rb
index 788d9f6fc..0f311f904 100644
--- a/Library/Homebrew/test/rubocops/conflicts_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/conflicts_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/conflicts_cop"
+require "rubocops/conflicts_cop"
 
 describe RuboCop::Cop::FormulaAudit::Conflicts do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/dependency_order_cop_spec.rb b/Library/Homebrew/test/rubocops/dependency_order_cop_spec.rb
index 38af72d23..6f19cc329 100644
--- a/Library/Homebrew/test/rubocops/dependency_order_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/dependency_order_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/dependency_order_cop"
+require "rubocops/dependency_order_cop"
 
 describe RuboCop::Cop::NewFormulaAudit::DependencyOrder do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/formula_desc_cop_spec.rb b/Library/Homebrew/test/rubocops/formula_desc_cop_spec.rb
index 32a8e3f91..79eb3a293 100644
--- a/Library/Homebrew/test/rubocops/formula_desc_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/formula_desc_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/formula_desc_cop"
+require "rubocops/formula_desc_cop"
 
 describe RuboCop::Cop::FormulaAudit::DescLength do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/homepage_cop_spec.rb b/Library/Homebrew/test/rubocops/homepage_cop_spec.rb
index 2620572bb..9240db0fd 100644
--- a/Library/Homebrew/test/rubocops/homepage_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/homepage_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/homepage_cop"
+require "rubocops/homepage_cop"
 
 describe RuboCop::Cop::FormulaAudit::Homepage do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/lines_cop_spec.rb b/Library/Homebrew/test/rubocops/lines_cop_spec.rb
index 00190a32b..7195efb1b 100644
--- a/Library/Homebrew/test/rubocops/lines_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/lines_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/lines_cop"
+require "rubocops/lines_cop"
 
 describe RuboCop::Cop::FormulaAudit::Lines do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/options_cop_spec.rb b/Library/Homebrew/test/rubocops/options_cop_spec.rb
index 79f1d0d52..ef0e824bb 100644
--- a/Library/Homebrew/test/rubocops/options_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/options_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/options_cop"
+require "rubocops/options_cop"
 
 describe RuboCop::Cop::FormulaAudit::Options do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/patches_cop_spec.rb b/Library/Homebrew/test/rubocops/patches_cop_spec.rb
index a10254de2..7173092ba 100644
--- a/Library/Homebrew/test/rubocops/patches_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/patches_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/patches_cop"
+require "rubocops/patches_cop"
 
 describe RuboCop::Cop::FormulaAudit::Patches do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/text_cop_spec.rb b/Library/Homebrew/test/rubocops/text_cop_spec.rb
index 1cb87980a..d141ba82f 100644
--- a/Library/Homebrew/test/rubocops/text_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/text_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/text_cop"
+require "rubocops/text_cop"
 
 describe RuboCop::Cop::FormulaAudit::Text do
   subject(:cop) { described_class.new }
diff --git a/Library/Homebrew/test/rubocops/urls_cop_spec.rb b/Library/Homebrew/test/rubocops/urls_cop_spec.rb
index bc39a08e5..5664b93cc 100644
--- a/Library/Homebrew/test/rubocops/urls_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/urls_cop_spec.rb
@@ -1,4 +1,4 @@
-require_relative "../../rubocops/urls_cop"
+require "rubocops/urls_cop"
 
 describe RuboCop::Cop::FormulaAudit::Urls do
   subject(:cop) { described_class.new }