Merge pull request #12937 from Homebrew/dependabot/bundler/Library/Homebrew/rubocop-rspec-2.9.0

build(deps): bump rubocop-rspec from 2.8.0 to 2.9.0 in /Library/Homebrew

Library/Homebrew/Gemfile.lock

@@ -141,7 +141,7 @@ GEM
       activesupport (>= 4.2.0)
       rack (>= 1.1)
       rubocop (>= 1.7.0, < 2.0)
-    rubocop-rspec (2.8.0)
+    rubocop-rspec (2.9.0)
       rubocop (~> 1.19)
     rubocop-sorbet (0.6.7)
       rubocop (>= 0.90.0)

Library/Homebrew/sorbet/rbi/gems/rubocop-rspec@2.9.0.rbi

@@ -112,6 +112,16 @@ end
 
 RuboCop::Cop::RSpec::Be::MSG = T.let(T.unsafe(nil), String)
 
+class RuboCop::Cop::RSpec::BeEq < ::RuboCop::Cop::RSpec::Base
+  extend ::RuboCop::Cop::AutoCorrector
+
+  def eq_type_with_identity?(param0 = T.unsafe(nil)); end
+  def on_send(node); end
+end
+
+RuboCop::Cop::RSpec::BeEq::MSG = T.let(T.unsafe(nil), String)
+RuboCop::Cop::RSpec::BeEq::RESTRICT_ON_SEND = T.let(T.unsafe(nil), Array)
+
 class RuboCop::Cop::RSpec::BeEql < ::RuboCop::Cop::RSpec::Base
   extend ::RuboCop::Cop::AutoCorrector
 
@@ -122,6 +132,16 @@ end
 RuboCop::Cop::RSpec::BeEql::MSG = T.let(T.unsafe(nil), String)
 RuboCop::Cop::RSpec::BeEql::RESTRICT_ON_SEND = T.let(T.unsafe(nil), Array)
 
+class RuboCop::Cop::RSpec::BeNil < ::RuboCop::Cop::RSpec::Base
+  extend ::RuboCop::Cop::AutoCorrector
+
+  def nil_value_expectation?(param0 = T.unsafe(nil)); end
+  def on_send(node); end
+end
+
+RuboCop::Cop::RSpec::BeNil::MSG = T.let(T.unsafe(nil), String)
+RuboCop::Cop::RSpec::BeNil::RESTRICT_ON_SEND = T.let(T.unsafe(nil), Array)
+
 class RuboCop::Cop::RSpec::BeforeAfterAll < ::RuboCop::Cop::RSpec::Base
   def before_or_after_all(param0 = T.unsafe(nil)); end
   def on_send(node); end

Library/Homebrew/test/ENV_spec.rb

@@ -11,7 +11,7 @@ describe "ENV" do
 
     it "supports switching compilers" do
       subject.clang
-      expect(subject["LD"]).to be nil
+      expect(subject["LD"]).to be_nil
       expect(subject["CC"]).to eq(subject["OBJC"])
     end
 
@@ -23,7 +23,7 @@ describe "ENV" do
           subject["foo"] = "bar"
         end
 
-        expect(subject["foo"]).to be nil
+        expect(subject["foo"]).to be_nil
         expect(subject).to eq(before)
       end
 
@@ -37,7 +37,7 @@ describe "ENV" do
           end
         }.to raise_error(StandardError)
 
-        expect(subject["foo"]).to be nil
+        expect(subject["foo"]).to be_nil
         expect(subject).to eq(before)
       end
 
@@ -139,7 +139,7 @@ describe "ENV" do
       subject["MAKEFLAGS"] = "-j4"
 
       subject.deparallelize do
-        expect(subject["MAKEFLAGS"]).to be nil
+        expect(subject["MAKEFLAGS"]).to be_nil
       end
 
       expect(subject["MAKEFLAGS"]).to eq("-j4")

Library/Homebrew/test/PATH_spec.rb

@@ -125,7 +125,7 @@ describe PATH do
     end
 
     it "returns nil instead of an empty #{described_class}" do
-      expect(described_class.new.existing).to be nil
+      expect(described_class.new.existing).to be_nil
     end
   end
 end

Library/Homebrew/test/api/bottle_spec.rb

@@ -53,12 +53,12 @@ describe Homebrew::API::Bottle do
   describe "::available?" do
     it "returns `true` if `fetch` succeeds" do
       allow(described_class).to receive(:fetch)
-      expect(described_class.available?("foo")).to eq true
+      expect(described_class.available?("foo")).to be true
     end
 
     it "returns `false` if `fetch` fails" do
       allow(described_class).to receive(:fetch).and_raise ArgumentError
-      expect(described_class.available?("foo")).to eq false
+      expect(described_class.available?("foo")).to be false
     end
   end
 

Library/Homebrew/test/cask/dsl_spec.rb

@@ -342,7 +342,7 @@ describe Cask::DSL, :cask do
       let(:token) { "with-depends-on-formula" }
 
       it "allows depends_on formula to be specified" do
-        expect(cask.depends_on.formula).not_to be nil
+        expect(cask.depends_on.formula).not_to be_nil
       end
     end
 
@@ -350,7 +350,7 @@ describe Cask::DSL, :cask do
       let(:token) { "with-depends-on-formula-multiple" }
 
       it "allows multiple depends_on formula to be specified" do
-        expect(cask.depends_on.formula).not_to be nil
+        expect(cask.depends_on.formula).not_to be_nil
       end
     end
   end
@@ -360,7 +360,7 @@ describe Cask::DSL, :cask do
       let(:token) { "with-depends-on-cask" }
 
       it "is allowed" do
-        expect(cask.depends_on.cask).not_to be nil
+        expect(cask.depends_on.cask).not_to be_nil
       end
     end
 
@@ -368,7 +368,7 @@ describe Cask::DSL, :cask do
       let(:token) { "with-depends-on-cask-multiple" }
 
       it "is allowed" do
-        expect(cask.depends_on.cask).not_to be nil
+        expect(cask.depends_on.cask).not_to be_nil
       end
     end
   end
@@ -396,7 +396,7 @@ describe Cask::DSL, :cask do
       let(:token) { "with-depends-on-arch" }
 
       it "is allowed to be specified" do
-        expect(cask.depends_on.arch).not_to be nil
+        expect(cask.depends_on.arch).not_to be_nil
       end
     end
 

Library/Homebrew/test/caveats_spec.rb

@@ -107,7 +107,7 @@ describe Caveats do
         end
         caveats = described_class.new(f).caveats
 
-        expect(f.service?).to eq(true)
+        expect(f.service?).to be(true)
         expect(caveats).to include("#{f.bin}/php test")
         expect(caveats).to include("background service")
       end

Library/Homebrew/test/checksum_spec.rb

@@ -18,6 +18,6 @@ describe Checksum do
 
     it { is_expected.to eq(other) }
     it { is_expected.not_to eq(other_reversed) }
-    it { is_expected.not_to eq(nil) }
+    it { is_expected.not_to be_nil }
   end
 end

Library/Homebrew/test/cli/parser_spec.rb

@@ -41,7 +41,7 @@ describe Homebrew::CLI::Parser do
 
       it "does not set the positive name if the positive flag is not passed" do
         args = parser.parse([])
-        expect(args.positive?).to be nil
+        expect(args.positive?).to be_nil
       end
     end
 

Library/Homebrew/test/commands_spec.rb

@@ -70,7 +70,7 @@ describe Commands do
     specify "returns the path for an internal command" do
       expect(described_class.path("rbcmd")).to eq(HOMEBREW_LIBRARY_PATH/"cmd/rbcmd.rb")
       expect(described_class.path("shcmd")).to eq(HOMEBREW_LIBRARY_PATH/"cmd/shcmd.sh")
-      expect(described_class.path("idontexist1234")).to be nil
+      expect(described_class.path("idontexist1234")).to be_nil
     end
 
     specify "returns the path for an internal developer-command" do

Library/Homebrew/test/completions_spec.rb

@@ -207,9 +207,9 @@ describe Homebrew::Completions do
 
       it "handles --[no]- options correctly" do
         options = described_class.command_options("audit")
-        expect(options.key?("--appcast")).to eq true
-        expect(options.key?("--no-appcast")).to eq true
-        expect(options["--appcast"] == options["--no-appcast"]).to eq true
+        expect(options.key?("--appcast")).to be true
+        expect(options.key?("--no-appcast")).to be true
+        expect(options["--appcast"] == options["--no-appcast"]).to be true
       end
 
       it "return an empty array if command is not found" do
@@ -228,15 +228,15 @@ describe Homebrew::Completions do
 
     describe ".command_gets_completions?" do
       it "returns true for a non-cask command with options" do
-        expect(described_class.command_gets_completions?("install")).to eq true
+        expect(described_class.command_gets_completions?("install")).to be true
       end
 
       it "returns false for a non-cask command with no options" do
-        expect(described_class.command_gets_completions?("help")).to eq false
+        expect(described_class.command_gets_completions?("help")).to be false
       end
 
       it "returns false for a cask command" do
-        expect(described_class.command_gets_completions?("cask install")).to eq false
+        expect(described_class.command_gets_completions?("cask install")).to be false
       end
     end
 

Library/Homebrew/test/dependency_collector_spec.rb

@@ -65,7 +65,7 @@ describe DependencyCollector do
     it "creates a resource dependency from a '.gz' URL" do
       resource = Resource.new
       resource.url("https://brew.sh/foo.tar.gz")
-      expect(collector.add(resource)).to be nil
+      expect(collector.add(resource)).to be_nil
     end
 
     it "creates a resource dependency from a '.lz' URL" do

Library/Homebrew/test/dev-cmd/audit_spec.rb

@@ -46,7 +46,7 @@ module Homebrew
       expect(ft).to have_trailing_newline
 
       expect(ft =~ /\burl\b/).to be_truthy
-      expect(ft.line_number(/desc/)).to be nil
+      expect(ft.line_number(/desc/)).to be_nil
       expect(ft.line_number(/\burl\b/)).to eq(2)
       expect(ft).to include("Valid")
     end

Library/Homebrew/test/diagnostic_checks_spec.rb

@@ -68,7 +68,7 @@ describe Homebrew::Diagnostic::Checks do
     ENV["PATH"] = ENV["PATH"].gsub \
       %r{(?:^|#{File::PATH_SEPARATOR})#{HOMEBREW_PREFIX}/bin}o, ""
 
-    expect(checks.check_user_path_1).to be nil
+    expect(checks.check_user_path_1).to be_nil
     expect(checks.check_user_path_2)
       .to match("Homebrew's \"bin\" was not found in your PATH.")
   end
@@ -80,8 +80,8 @@ describe Homebrew::Diagnostic::Checks do
       ENV["HOMEBREW_PATH"].gsub(/(?:^|#{Regexp.escape(File::PATH_SEPARATOR)})#{Regexp.escape(sbin)}/, "")
     (sbin/"something").mkpath
 
-    expect(checks.check_user_path_1).to be nil
-    expect(checks.check_user_path_2).to be nil
+    expect(checks.check_user_path_1).to be_nil
+    expect(checks.check_user_path_2).to be_nil
     expect(checks.check_user_path_3)
       .to match("Homebrew's \"sbin\" was not found in your PATH")
   ensure

Library/Homebrew/test/exceptions_spec.rb

@@ -47,12 +47,12 @@ describe "Exception" do
 
     describe "#dependent_s" do
       it "returns nil if there is no dependent" do
-        expect(error.dependent_s).to be nil
+        expect(error.dependent_s).to be_nil
       end
 
       it "returns nil if it depended on by itself" do
         error.dependent = "foo"
-        expect(error.dependent_s).to be nil
+        expect(error.dependent_s).to be_nil
       end
 
       it "returns a string if there is a dependent" do

Library/Homebrew/test/formula_spec.rb

@@ -38,9 +38,9 @@ describe Formula do
       expect(f.full_name).to eq(name)
       expect(f.full_specified_name).to eq(name)
       expect(f.path).to eq(path)
-      expect(f.alias_path).to be nil
-      expect(f.alias_name).to be nil
-      expect(f.full_alias_name).to be nil
+      expect(f.alias_path).to be_nil
+      expect(f.alias_name).to be_nil
+      expect(f.full_alias_name).to be_nil
       expect(f.specified_path).to eq(path)
       expect { klass.new }.to raise_error(ArgumentError)
     end
@@ -70,9 +70,9 @@ describe Formula do
         expect(f.full_name).to eq(full_name)
         expect(f.full_specified_name).to eq(full_name)
         expect(f.path).to eq(path)
-        expect(f.alias_path).to be nil
-        expect(f.alias_name).to be nil
-        expect(f.full_alias_name).to be nil
+        expect(f.alias_path).to be_nil
+        expect(f.alias_name).to be_nil
+        expect(f.full_alias_name).to be_nil
         expect(f.specified_path).to eq(path)
         expect { klass.new }.to raise_error(ArgumentError)
       end
@@ -175,9 +175,9 @@ describe Formula do
     ]
     build_values_with_no_installed_alias.each do |build|
       f.build = build
-      expect(f.installed_alias_path).to be nil
-      expect(f.installed_alias_name).to be nil
-      expect(f.full_installed_alias_name).to be nil
+      expect(f.installed_alias_path).to be_nil
+      expect(f.installed_alias_name).to be_nil
+      expect(f.full_installed_alias_name).to be_nil
       expect(f.installed_specified_name).to eq(f.name)
       expect(f.full_installed_specified_name).to eq(f.name)
     end
@@ -210,9 +210,9 @@ describe Formula do
     ]
     build_values_with_no_installed_alias.each do |build|
       f.build = build
-      expect(f.installed_alias_path).to be nil
-      expect(f.installed_alias_name).to be nil
-      expect(f.full_installed_alias_name).to be nil
+      expect(f.installed_alias_path).to be_nil
+      expect(f.installed_alias_name).to be_nil
+      expect(f.full_installed_alias_name).to be_nil
       expect(f.installed_specified_name).to eq(f.name)
       expect(f.full_installed_specified_name).to eq(f.full_name)
     end
@@ -401,7 +401,7 @@ describe Formula do
   end
 
   specify "#<=>" do
-    expect(Testball.new <=> Object.new).to be nil
+    expect(Testball.new <=> Object.new).to be_nil
   end
 
   describe "#installed_alias_path" do
@@ -414,7 +414,7 @@ describe Formula do
       f.build = BuildOptions.new(Options.new, f.options)
 
       expect(f.alias_path).to eq(alias_path)
-      expect(f.installed_alias_path).to be nil
+      expect(f.installed_alias_path).to be_nil
     end
 
     example "alias paths with tab with non alias source path" do
@@ -427,7 +427,7 @@ describe Formula do
       f.build = Tab.new(source: { "path" => source_path.to_s })
 
       expect(f.alias_path).to eq(alias_path)
-      expect(f.installed_alias_path).to be nil
+      expect(f.installed_alias_path).to be_nil
     end
 
     example "alias paths with tab with alias source path" do
@@ -580,7 +580,7 @@ describe Formula do
       url "foo-1.0"
     end
 
-    expect(f.head).to be nil
+    expect(f.head).to be_nil
   end
 
   it "honors attributes declared before specs" do
@@ -719,7 +719,7 @@ describe Formula do
         url "https://brew.sh/test-1.0.tbz"
       end
 
-      expect(f.service).to eq(nil)
+      expect(f.service).to be_nil
     end
 
     specify "service complicated" do
@@ -735,7 +735,7 @@ describe Formula do
         working_dir var
         keep_alive true
       end
-      expect(f.service).not_to eq(nil)
+      expect(f.service).not_to be_nil
     end
 
     specify "service uses simple run" do
@@ -746,7 +746,7 @@ describe Formula do
         end
       end
 
-      expect(f.service).not_to eq(nil)
+      expect(f.service).not_to be_nil
     end
 
     specify "service helpers return data" do
@@ -1132,7 +1132,7 @@ describe Formula do
     specify "alias changes when not installed with alias" do
       tab.source["path"] = Formulary.core_path(f.name).to_s
 
-      expect(f.current_installed_alias_target).to be nil
+      expect(f.current_installed_alias_target).to be_nil
       expect(f.latest_formula).to eq(f)
       expect(f).not_to have_changed_installed_alias_target
       expect(f).not_to supersede_an_installed_formula
@@ -1526,7 +1526,7 @@ describe Formula do
     end
 
     it "returns nil when not installed" do
-      expect(f.any_installed_version).to be nil
+      expect(f.any_installed_version).to be_nil
     end
 
     it "returns package version when installed" do

Library/Homebrew/test/formula_spec_selection_spec.rb

@@ -40,7 +40,7 @@ describe Formula do
         head "foo"
       end
 
-      expect(f.stable).to be nil
+      expect(f.stable).to be_nil
       expect(f).to be_head
     end
 

Library/Homebrew/test/installed_dependents_spec.rb

@@ -81,7 +81,7 @@ describe InstalledDependents do
 
     specify "no dependencies anywhere" do
       dependencies nil
-      expect(described_class.find_some_installed_dependents([keg])).to be nil
+      expect(described_class.find_some_installed_dependents([keg])).to be_nil
     end
 
     specify "missing Formula dependency" do
@@ -93,7 +93,7 @@ describe InstalledDependents do
     specify "uninstalling dependent and dependency" do
       dependencies nil
       Formula["bar"].class.depends_on "foo"
-      expect(described_class.find_some_installed_dependents([keg, dependent])).to be nil
+      expect(described_class.find_some_installed_dependents([keg, dependent])).to be_nil
     end
 
     specify "renamed dependency" do
@@ -112,7 +112,7 @@ describe InstalledDependents do
 
     specify "empty dependencies in Tab" do
       dependencies []
-      expect(described_class.find_some_installed_dependents([keg])).to be nil
+      expect(described_class.find_some_installed_dependents([keg])).to be_nil
     end
 
     specify "same name but different version in Tab" do
@@ -123,7 +123,7 @@ describe InstalledDependents do
     specify "different name and same version in Tab" do
       stub_formula_name("baz")
       dependencies [{ "full_name" => "baz", "version" => keg.version.to_s }]
-      expect(described_class.find_some_installed_dependents([keg])).to be nil
+      expect(described_class.find_some_installed_dependents([keg])).to be_nil
     end
 
     specify "same name and version in Tab" do
@@ -140,7 +140,7 @@ describe InstalledDependents do
     specify "non-opt-linked" do
       keg.remove_opt_record
       dependencies [{ "full_name" => "foo", "version" => "1.0" }]
-      expect(described_class.find_some_installed_dependents([keg])).to be nil
+      expect(described_class.find_some_installed_dependents([keg])).to be_nil
     end
 
     specify "keg-only" do
@@ -173,7 +173,7 @@ describe InstalledDependents do
     specify "identify dependent casks" do
       setup_test_cask("qux", "1.0.0", "foo")
       dependents = described_class.find_some_installed_dependents([keg]).last
-      expect(dependents.include?("qux")).to eq(true)
+      expect(dependents.include?("qux")).to be(true)
     end
   end
 end

Library/Homebrew/test/keg_spec.rb

@@ -55,7 +55,7 @@ describe Keg do
   end
 
   specify "#oldname_opt_record" do
-    expect(keg.oldname_opt_record).to be nil
+    expect(keg.oldname_opt_record).to be_nil
     oldname_opt_record = HOMEBREW_PREFIX/"opt/oldfoo"
     oldname_opt_record.make_relative_symlink(HOMEBREW_CELLAR/"foo/1.0")
     expect(keg.oldname_opt_record).to eq(oldname_opt_record)

Library/Homebrew/test/language/node_spec.rb

@@ -16,7 +16,7 @@ describe Language::Node do
       described_class.instance_variable_set(:@env_set, false)
       expect(described_class.setup_npm_environment).to be_nil
 
-      expect(described_class.instance_variable_get(:@env_set)).to eq(true)
+      expect(described_class.instance_variable_get(:@env_set)).to be(true)
       expect(ENV).not_to receive(:prepend_path)
       expect(described_class.setup_npm_environment).to be_nil
     end

Library/Homebrew/test/livecheck/livecheck_spec.rb

@@ -142,10 +142,10 @@ describe Homebrew::Livecheck do
     end
 
     it "returns nil when not given a string or valid symbol" do
-      expect(livecheck.livecheck_url_to_string(nil, f_livecheck_url)).to eq(nil)
-      expect(livecheck.livecheck_url_to_string(nil, c_livecheck_url)).to eq(nil)
-      expect(livecheck.livecheck_url_to_string(:invalid_symbol, f_livecheck_url)).to eq(nil)
-      expect(livecheck.livecheck_url_to_string(:invalid_symbol, c_livecheck_url)).to eq(nil)
+      expect(livecheck.livecheck_url_to_string(nil, f_livecheck_url)).to be_nil
+      expect(livecheck.livecheck_url_to_string(nil, c_livecheck_url)).to be_nil
+      expect(livecheck.livecheck_url_to_string(:invalid_symbol, f_livecheck_url)).to be_nil
+      expect(livecheck.livecheck_url_to_string(:invalid_symbol, c_livecheck_url)).to be_nil
     end
   end
 

Library/Homebrew/test/livecheck/skip_conditions_spec.rb

@@ -458,11 +458,11 @@ describe Homebrew::Livecheck::SkipConditions do
     end
 
     it "returns an empty hash for a non-skippable formula" do
-      expect(skip_conditions.referenced_skip_information(formulae[:basic], original_name)).to eq(nil)
+      expect(skip_conditions.referenced_skip_information(formulae[:basic], original_name)).to be_nil
     end
 
     it "returns an empty hash for a non-skippable cask" do
-      expect(skip_conditions.referenced_skip_information(casks[:basic], original_name)).to eq(nil)
+      expect(skip_conditions.referenced_skip_information(casks[:basic], original_name)).to be_nil
     end
   end
 

Library/Homebrew/test/livecheck/strategy/sparkle_spec.rb

@@ -68,7 +68,7 @@ describe Homebrew::Livecheck::Strategy::Sparkle do
     let(:item_from_appcast_xml) { sparkle.item_from_content(appcast_xml) }
 
     it "returns nil if content is blank" do
-      expect(sparkle.item_from_content("")).to be nil
+      expect(sparkle.item_from_content("")).to be_nil
     end
 
     it "returns an Item when given XML data" do

Library/Homebrew/test/livecheck_spec.rb

@@ -30,7 +30,7 @@ describe Livecheck do
 
   describe "#formula" do
     it "returns nil if not set" do
-      expect(livecheckable_f.formula).to be nil
+      expect(livecheckable_f.formula).to be_nil
     end
 
     it "returns the String if set" do
@@ -47,7 +47,7 @@ describe Livecheck do
 
   describe "#cask" do
     it "returns nil if not set" do
-      expect(livecheckable_c.cask).to be nil
+      expect(livecheckable_c.cask).to be_nil
     end
 
     it "returns the String if set" do
@@ -64,7 +64,7 @@ describe Livecheck do
 
   describe "#regex" do
     it "returns nil if not set" do
-      expect(livecheckable_f.regex).to be nil
+      expect(livecheckable_f.regex).to be_nil
     end
 
     it "returns the Regexp if set" do
@@ -83,7 +83,7 @@ describe Livecheck do
     it "sets @skip to true when no argument is provided" do
       expect(livecheckable_f.skip).to be true
       expect(livecheckable_f.instance_variable_get(:@skip)).to be true
-      expect(livecheckable_f.instance_variable_get(:@skip_msg)).to be nil
+      expect(livecheckable_f.instance_variable_get(:@skip_msg)).to be_nil
     end
 
     it "sets @skip to true and @skip_msg to the provided String" do
@@ -110,7 +110,7 @@ describe Livecheck do
 
   describe "#strategy" do
     it "returns nil if not set" do
-      expect(livecheckable_f.strategy).to be nil
+      expect(livecheckable_f.strategy).to be_nil
     end
 
     it "returns the Symbol if set" do
@@ -129,7 +129,7 @@ describe Livecheck do
     let(:url_string) { "https://brew.sh" }
 
     it "returns nil if not set" do
-      expect(livecheckable_f.url).to be nil
+      expect(livecheckable_f.url).to be_nil
     end
 
     it "returns a string when set to a string" do

Library/Homebrew/test/os/linux/dependency_collector_spec.rb

@@ -35,19 +35,19 @@ describe DependencyCollector do
       it "does not create a resource dependency from a '.xz' URL" do
         resource.url("https://brew.sh/foo.xz")
         allow_any_instance_of(Object).to receive(:which).with("xz").and_return(Pathname.new("foo"))
-        expect(collector.add(resource)).to be nil
+        expect(collector.add(resource)).to be_nil
       end
 
       it "does not create a resource dependency from a '.zip' URL" do
         resource.url("https://brew.sh/foo.zip")
         allow_any_instance_of(Object).to receive(:which).with("unzip").and_return(Pathname.new("foo"))
-        expect(collector.add(resource)).to be nil
+        expect(collector.add(resource)).to be_nil
       end
 
       it "does not create a resource dependency from a '.bz2' URL" do
         resource.url("https://brew.sh/foo.tar.bz2")
         allow_any_instance_of(Object).to receive(:which).with("bzip2").and_return(Pathname.new("foo"))
-        expect(collector.add(resource)).to be nil
+        expect(collector.add(resource)).to be_nil
       end
     end
   end

Library/Homebrew/test/os/linux/formula_spec.rb

@@ -54,7 +54,7 @@ describe Formula do
 
       expect(f.class.stable.deps[0].name).to eq("hello_both")
       expect(f.class.stable.deps[1].name).to eq("hello_linux")
-      expect(f.class.stable.deps[2]).to eq(nil)
+      expect(f.class.stable.deps[2]).to be_nil
     end
 
     it "adds a patch on Linux only" do

Library/Homebrew/test/os/mac/dependency_collector_spec.rb

@@ -11,34 +11,34 @@ describe DependencyCollector do
   specify "Resource dependency from a '.xz' URL" do
     resource = Resource.new
     resource.url("https://brew.sh/foo.tar.xz")
-    expect(collector.add(resource)).to be nil
+    expect(collector.add(resource)).to be_nil
   end
 
   specify "Resource dependency from a '.zip' URL" do
     resource = Resource.new
     resource.url("https://brew.sh/foo.zip")
-    expect(collector.add(resource)).to be nil
+    expect(collector.add(resource)).to be_nil
   end
 
   specify "Resource dependency from a '.bz2' URL" do
     resource = Resource.new
     resource.url("https://brew.sh/foo.tar.bz2")
-    expect(collector.add(resource)).to be nil
+    expect(collector.add(resource)).to be_nil
   end
 
   specify "Resource dependency from a '.git' URL" do
     resource = Resource.new
     resource.url("git://brew.sh/foo/bar.git")
-    expect(collector.add(resource)).to be nil
+    expect(collector.add(resource)).to be_nil
   end
 
   specify "Resource dependency from a Subversion URL" do
     resource = Resource.new
     resource.url("svn://brew.sh/foo/bar")
     if MacOS.version < :catalina
-      expect(collector.add(resource)).to be nil
+      expect(collector.add(resource)).to be_nil
     else
-      expect(collector.add(resource)).not_to be nil
+      expect(collector.add(resource)).not_to be_nil
     end
   end
 end

Library/Homebrew/test/os/mac/formula_spec.rb

@@ -59,7 +59,7 @@ describe Formula do
 
       expect(f.class.stable.deps[0].name).to eq("hello_both")
       expect(f.class.stable.deps[1].name).to eq("hello_macos")
-      expect(f.class.stable.deps[2]).to eq(nil)
+      expect(f.class.stable.deps[2]).to be_nil
     end
 
     it "adds a patch on Mac only" do

Library/Homebrew/test/pkg_version_spec.rb

@@ -56,12 +56,12 @@ describe PkgVersion do
 
   describe "#<=>" do
     it "returns nil if the comparison fails" do
-      expect(described_class.new(Version.create("1.0"), 0) <=> Object.new).to be nil
-      expect(Object.new <=> described_class.new(Version.create("1.0"), 0)).to be nil
-      expect(Object.new <=> described_class.new(Version.create("1.0"), 0)).to be nil
-      expect(described_class.new(Version.create("1.0"), 0) <=> nil).to be nil
+      expect(described_class.new(Version.create("1.0"), 0) <=> Object.new).to be_nil
+      expect(Object.new <=> described_class.new(Version.create("1.0"), 0)).to be_nil
+      expect(Object.new <=> described_class.new(Version.create("1.0"), 0)).to be_nil
+      expect(described_class.new(Version.create("1.0"), 0) <=> nil).to be_nil
       # This one used to fail due to dereferencing a null `self`
-      expect(described_class.new(nil, 0) <=> described_class.new(Version.create("1.0"), 0)).to be nil
+      expect(described_class.new(nil, 0) <=> described_class.new(Version.create("1.0"), 0)).to be_nil
     end
   end
 

Library/Homebrew/test/requirement_spec.rb

@@ -180,7 +180,7 @@ describe Requirement do
       let(:klass) { Class.new(described_class) }
 
       it "returns nil" do
-        expect(requirement.modify_build_environment).to be nil
+        expect(requirement.modify_build_environment).to be_nil
       end
     end
   end

Library/Homebrew/test/resource_spec.rb

@@ -85,7 +85,7 @@ describe Resource do
     end
 
     it "returns nil if unset" do
-      expect(resource.version).to be nil
+      expect(resource.version).to be_nil
     end
   end
 
@@ -103,7 +103,7 @@ describe Resource do
 
   describe "#checksum" do
     it "returns nil if unset" do
-      expect(resource.checksum).to be nil
+      expect(resource.checksum).to be_nil
     end
 
     it "returns the checksum set with #sha256" do

Library/Homebrew/test/service_spec.rb

@@ -412,7 +412,7 @@ describe Homebrew::Service do
         run_type :immediate
       end
 
-      expect(f.service.timed?).to eq(false)
+      expect(f.service.timed?).to be(false)
     end
 
     it "returns true for interval" do
@@ -421,7 +421,7 @@ describe Homebrew::Service do
         run_type :interval
       end
 
-      expect(f.service.timed?).to eq(true)
+      expect(f.service.timed?).to be(true)
     end
   end
 

Library/Homebrew/test/software_spec/head_spec.rb

@@ -11,6 +11,6 @@ describe HeadSoftwareSpec do
   end
 
   specify "#verify_download_integrity" do
-    expect(head_spec.verify_download_integrity(Object.new)).to be nil
+    expect(head_spec.verify_download_integrity(Object.new)).to be_nil
   end
 end

Library/Homebrew/test/style_spec.rb

@@ -47,7 +47,7 @@ describe Homebrew::Style do
 
       style_result = described_class.check_style_and_print([target_file])
 
-      expect(style_result).to eq true
+      expect(style_result).to be true
     end
   end
 end

Library/Homebrew/test/system_command_result_spec.rb

@@ -170,7 +170,7 @@ describe SystemCommand::Result do
       let(:stdout) { "" }
 
       it "returns nil" do
-        expect(result_plist).to be nil
+        expect(result_plist).to be_nil
       end
     end
   end

Library/Homebrew/test/tab_spec.rb

@@ -64,20 +64,20 @@ describe Tab do
     expect(tab.homebrew_version).to eq(HOMEBREW_VERSION)
     expect(tab.unused_options).to be_empty
     expect(tab.used_options).to be_empty
-    expect(tab.changed_files).to be nil
+    expect(tab.changed_files).to be_nil
     expect(tab).not_to be_built_as_bottle
     expect(tab).not_to be_poured_from_bottle
     expect(tab).to be_stable
     expect(tab).not_to be_head
-    expect(tab.tap).to be nil
-    expect(tab.time).to be nil
-    expect(tab.HEAD).to be nil
-    expect(tab.runtime_dependencies).to be nil
-    expect(tab.stable_version).to be nil
-    expect(tab.head_version).to be nil
+    expect(tab.tap).to be_nil
+    expect(tab.time).to be_nil
+    expect(tab.HEAD).to be_nil
+    expect(tab.runtime_dependencies).to be_nil
+    expect(tab.stable_version).to be_nil
+    expect(tab.head_version).to be_nil
     expect(tab.cxxstdlib.compiler).to eq(DevelopmentTools.default_compiler)
-    expect(tab.cxxstdlib.type).to be nil
-    expect(tab.source["path"]).to be nil
+    expect(tab.cxxstdlib.type).to be_nil
+    expect(tab.source["path"]).to be_nil
   end
 
   specify "#include?" do
@@ -114,25 +114,25 @@ describe Tab do
 
   specify "#runtime_dependencies" do
     tab = described_class.new
-    expect(tab.runtime_dependencies).to be nil
+    expect(tab.runtime_dependencies).to be_nil
 
     tab.homebrew_version = "1.1.6"
-    expect(tab.runtime_dependencies).to be nil
+    expect(tab.runtime_dependencies).to be_nil
 
     tab.runtime_dependencies = []
-    expect(tab.runtime_dependencies).not_to be nil
+    expect(tab.runtime_dependencies).not_to be_nil
 
     tab.homebrew_version = "1.1.5"
-    expect(tab.runtime_dependencies).to be nil
+    expect(tab.runtime_dependencies).to be_nil
 
     tab.homebrew_version = "1.1.7"
-    expect(tab.runtime_dependencies).not_to be nil
+    expect(tab.runtime_dependencies).not_to be_nil
 
     tab.homebrew_version = "1.1.10"
-    expect(tab.runtime_dependencies).not_to be nil
+    expect(tab.runtime_dependencies).not_to be_nil
 
     tab.runtime_dependencies = [{ "full_name" => "foo", "version" => "1.0" }]
-    expect(tab.runtime_dependencies).not_to be nil
+    expect(tab.runtime_dependencies).not_to be_nil
   end
 
   specify "::runtime_deps_hash" do
@@ -232,7 +232,7 @@ describe Tab do
       expect(tab.HEAD).to eq(TEST_SHA1)
       expect(tab.cxxstdlib.compiler).to eq(:clang)
       expect(tab.cxxstdlib.type).to eq(:libcxx)
-      expect(tab.runtime_dependencies).to be nil
+      expect(tab.runtime_dependencies).to be_nil
     end
 
     it "raises a parse exception message including the Tab filename" do
@@ -331,7 +331,7 @@ describe Tab do
       f.prefix.mkpath
 
       tab = described_class.for_formula(f)
-      expect(tab.tabfile).to be nil
+      expect(tab.tabfile).to be_nil
     end
 
     it "can create a Tab for a Formula with multiple Kegs" do

Library/Homebrew/test/tap_spec.rb

@@ -156,7 +156,7 @@ describe Tap do
     expect(homebrew_foo_tap.issues_url).to eq("https://github.com/Homebrew/homebrew-foo/issues")
 
     (Tap::TAP_DIRECTORY/"someone/homebrew-no-git").mkpath
-    expect(described_class.new("someone", "no-git").issues_url).to be nil
+    expect(described_class.new("someone", "no-git").issues_url).to be_nil
   ensure
     path.parent.rmtree
   end
@@ -198,13 +198,13 @@ describe Tap do
     end
 
     it "returns nil if the Tap is not a Git repository" do
-      expect(homebrew_foo_tap.remote).to be nil
+      expect(homebrew_foo_tap.remote).to be_nil
     end
 
     it "returns nil if Git is not available" do
       setup_git_repo
       allow(Utils::Git).to receive(:available?).and_return(false)
-      expect(homebrew_foo_tap.remote).to be nil
+      expect(homebrew_foo_tap.remote).to be_nil
     end
   end
 
@@ -240,13 +240,13 @@ describe Tap do
     end
 
     it "returns nil if the Tap is not a Git repository" do
-      expect(homebrew_foo_tap.remote_repo).to be nil
+      expect(homebrew_foo_tap.remote_repo).to be_nil
     end
 
     it "returns nil if Git is not available" do
       setup_git_repo
       allow(Utils::Git).to receive(:available?).and_return(false)
-      expect(homebrew_foo_tap.remote_repo).to be nil
+      expect(homebrew_foo_tap.remote_repo).to be_nil
     end
   end
 
@@ -450,11 +450,11 @@ describe Tap do
   specify "#config" do
     setup_git_repo
 
-    expect(homebrew_foo_tap.config["foo"]).to be nil
+    expect(homebrew_foo_tap.config["foo"]).to be_nil
     homebrew_foo_tap.config["foo"] = "bar"
     expect(homebrew_foo_tap.config["foo"]).to eq("bar")
     homebrew_foo_tap.config["foo"] = nil
-    expect(homebrew_foo_tap.config["foo"]).to be nil
+    expect(homebrew_foo_tap.config["foo"]).to be_nil
   end
 
   describe "#each" do

Library/Homebrew/test/utils/bottles/collector_spec.rb

@@ -21,12 +21,12 @@ describe Utils::Bottles::Collector do
     end
 
     it "returns nil if empty" do
-      expect(collector.specification_for(Utils::Bottles::Tag.from_symbol(:foo))).to be nil
+      expect(collector.specification_for(Utils::Bottles::Tag.from_symbol(:foo))).to be_nil
     end
 
     it "returns nil when there is no match" do
       collector.add(catalina, checksum: Checksum.new("bar_checksum"), cellar: "bar_cellar")
-      expect(collector.specification_for(Utils::Bottles::Tag.from_symbol(:foo))).to be nil
+      expect(collector.specification_for(Utils::Bottles::Tag.from_symbol(:foo))).to be_nil
     end
 
     it "uses older tags when needed", :needs_macos do

Library/Homebrew/test/utils/git_repository_spec.rb

@@ -7,7 +7,7 @@ describe Utils do
   shared_examples "git_repository helper function" do |method_name|
     context "when directory is not a Git repository" do
       it "returns nil if `safe` parameter is `false`" do
-        expect(described_class.public_send(method_name, TEST_TMPDIR, safe: false)).to eq(nil)
+        expect(described_class.public_send(method_name, TEST_TMPDIR, safe: false)).to be_nil
       end
 
       it "raises an error if `safe` parameter is `true`" do
@@ -22,7 +22,7 @@ describe Utils do
       end
 
       it "returns nil if `safe` parameter is `false`" do
-        expect(described_class.public_send(method_name, HOMEBREW_CACHE, safe: false)).to eq(nil)
+        expect(described_class.public_send(method_name, HOMEBREW_CACHE, safe: false)).to be_nil
       end
 
       it "raises an error if `safe` parameter is `true`" do

Library/Homebrew/test/utils/git_spec.rb

@@ -142,7 +142,7 @@ describe Utils::Git do
   describe "::path" do
     it "returns nil when git is not available" do
       stub_const("HOMEBREW_SHIMS_PATH", HOMEBREW_PREFIX/"bin/shim")
-      expect(described_class.path).to eq(nil)
+      expect(described_class.path).to be_nil
     end
 
     it "returns path of git when git is available" do
@@ -153,7 +153,7 @@ describe Utils::Git do
   describe "::version" do
     it "returns nil when git is not available" do
       stub_const("HOMEBREW_SHIMS_PATH", HOMEBREW_PREFIX/"bin/shim")
-      expect(described_class.version).to eq(nil)
+      expect(described_class.version).to be_nil
     end
 
     it "returns version of git when git is available" do

Library/Homebrew/test/utils/pypi_spec.rb

@@ -137,19 +137,19 @@ describe PyPI do
 
     describe ".same_package?" do
       it "returns false for different packages" do
-        expect(package.same_package?(other_package)).to eq false
+        expect(package.same_package?(other_package)).to be false
       end
 
       it "returns true for the same package" do
-        expect(package.same_package?(package_with_version)).to eq true
+        expect(package.same_package?(package_with_version)).to be true
       end
 
       it "returns true for the same package with different versions" do
-        expect(package_with_version.same_package?(package_with_different_version)).to eq true
+        expect(package_with_version.same_package?(package_with_different_version)).to be true
       end
 
       it "returns true for the same package with different capitalization" do
-        expect(package.same_package?(package_with_different_capitalization)).to eq true
+        expect(package.same_package?(package_with_different_capitalization)).to be true
       end
     end
 
@@ -174,11 +174,11 @@ describe PyPI do
     end
 
     it "returns nil for invalid versions" do
-      expect(described_class.update_pypi_url(old_package_url, "0.0.0")).to eq nil
+      expect(described_class.update_pypi_url(old_package_url, "0.0.0")).to be_nil
     end
 
     it "returns nil for non-pypi urls" do
-      expect(described_class.update_pypi_url("https://brew.sh/foo-1.0.tgz", "1.1")).to eq nil
+      expect(described_class.update_pypi_url("https://brew.sh/foo-1.0.tgz", "1.1")).to be_nil
     end
   end
 end

Library/Homebrew/test/utils/shell_spec.rb

@@ -56,9 +56,9 @@ describe Utils::Shell do
     end
 
     it "returns nil when input is invalid" do
-      expect(described_class.from_path("")).to be nil
-      expect(described_class.from_path("@@@@@@")).to be nil
-      expect(described_class.from_path("invalid_shell-4.2")).to be nil
+      expect(described_class.from_path("")).to be_nil
+      expect(described_class.from_path("@@@@@@")).to be_nil
+      expect(described_class.from_path("invalid_shell-4.2")).to be_nil
     end
   end
 

Library/Homebrew/test/utils/spdx_spec.rb

@@ -6,11 +6,11 @@ require "utils/spdx"
 describe SPDX do
   describe ".license_data" do
     it "has the license list version" do
-      expect(described_class.license_data["licenseListVersion"]).not_to eq(nil)
+      expect(described_class.license_data["licenseListVersion"]).not_to be_nil
     end
 
     it "has the release date" do
-      expect(described_class.license_data["releaseDate"]).not_to eq(nil)
+      expect(described_class.license_data["releaseDate"]).not_to be_nil
     end
 
     it "has licenses" do
@@ -20,11 +20,11 @@ describe SPDX do
 
   describe ".exception_data" do
     it "has the license list version" do
-      expect(described_class.exception_data["licenseListVersion"]).not_to eq(nil)
+      expect(described_class.exception_data["licenseListVersion"]).not_to be_nil
     end
 
     it "has the release date" do
-      expect(described_class.exception_data["releaseDate"]).not_to eq(nil)
+      expect(described_class.exception_data["releaseDate"]).not_to be_nil
     end
 
     it "has exceptions" do
@@ -99,75 +99,75 @@ describe SPDX do
 
   describe ".valid_license?" do
     it "returns true for valid license identifier" do
-      expect(described_class.valid_license?("MIT")).to eq true
+      expect(described_class.valid_license?("MIT")).to be true
     end
 
     it "returns false for invalid license identifier" do
-      expect(described_class.valid_license?("foo")).to eq false
+      expect(described_class.valid_license?("foo")).to be false
     end
 
     it "returns true for deprecated license identifier" do
-      expect(described_class.valid_license?("GPL-1.0")).to eq true
+      expect(described_class.valid_license?("GPL-1.0")).to be true
     end
 
     it "returns true for license identifier with plus" do
-      expect(described_class.valid_license?("Apache-2.0+")).to eq true
+      expect(described_class.valid_license?("Apache-2.0+")).to be true
     end
 
     it "returns true for :public_domain" do
-      expect(described_class.valid_license?(:public_domain)).to eq true
+      expect(described_class.valid_license?(:public_domain)).to be true
     end
 
     it "returns true for :cannot_represent" do
-      expect(described_class.valid_license?(:cannot_represent)).to eq true
+      expect(described_class.valid_license?(:cannot_represent)).to be true
     end
 
     it "returns false for invalid symbol" do
-      expect(described_class.valid_license?(:invalid_symbol)).to eq false
+      expect(described_class.valid_license?(:invalid_symbol)).to be false
     end
   end
 
   describe ".deprecated_license?" do
     it "returns true for deprecated license identifier" do
-      expect(described_class.deprecated_license?("GPL-1.0")).to eq true
+      expect(described_class.deprecated_license?("GPL-1.0")).to be true
     end
 
     it "returns true for deprecated license identifier with plus" do
-      expect(described_class.deprecated_license?("GPL-1.0+")).to eq true
+      expect(described_class.deprecated_license?("GPL-1.0+")).to be true
     end
 
     it "returns false for non-deprecated license identifier" do
-      expect(described_class.deprecated_license?("MIT")).to eq false
+      expect(described_class.deprecated_license?("MIT")).to be false
     end
 
     it "returns false for non-deprecated license identifier with plus" do
-      expect(described_class.deprecated_license?("EPL-1.0+")).to eq false
+      expect(described_class.deprecated_license?("EPL-1.0+")).to be false
     end
 
     it "returns false for invalid license identifier" do
-      expect(described_class.deprecated_license?("foo")).to eq false
+      expect(described_class.deprecated_license?("foo")).to be false
     end
 
     it "returns false for :public_domain" do
-      expect(described_class.deprecated_license?(:public_domain)).to eq false
+      expect(described_class.deprecated_license?(:public_domain)).to be false
     end
 
     it "returns false for :cannot_represent" do
-      expect(described_class.deprecated_license?(:cannot_represent)).to eq false
+      expect(described_class.deprecated_license?(:cannot_represent)).to be false
     end
   end
 
   describe ".valid_license_exception?" do
     it "returns true for valid license exception identifier" do
-      expect(described_class.valid_license_exception?("LLVM-exception")).to eq true
+      expect(described_class.valid_license_exception?("LLVM-exception")).to be true
     end
 
     it "returns false for invalid license exception identifier" do
-      expect(described_class.valid_license_exception?("foo")).to eq false
+      expect(described_class.valid_license_exception?("foo")).to be false
     end
 
     it "returns false for deprecated license exception identifier" do
-      expect(described_class.valid_license_exception?("Nokia-Qt-exception-1.1")).to eq false
+      expect(described_class.valid_license_exception?("Nokia-Qt-exception-1.1")).to be false
     end
   end
 
@@ -275,55 +275,55 @@ describe SPDX do
     let(:license_exception) { { "MIT" => { with: "LLVM-exception" } } }
 
     it "allows installation with no forbidden licenses" do
-      expect(described_class.licenses_forbid_installation?("MIT", {})).to eq false
+      expect(described_class.licenses_forbid_installation?("MIT", {})).to be false
     end
 
     it "allows installation with non-forbidden license" do
-      expect(described_class.licenses_forbid_installation?("0BSD", mit_forbidden)).to eq false
+      expect(described_class.licenses_forbid_installation?("0BSD", mit_forbidden)).to be false
     end
 
     it "forbids installation with forbidden license" do
-      expect(described_class.licenses_forbid_installation?("MIT", mit_forbidden)).to eq true
+      expect(described_class.licenses_forbid_installation?("MIT", mit_forbidden)).to be true
     end
 
     it "allows installation of later license version" do
-      expect(described_class.licenses_forbid_installation?("EPL-2.0", epl_1_forbidden)).to eq false
+      expect(described_class.licenses_forbid_installation?("EPL-2.0", epl_1_forbidden)).to be false
     end
 
     it "forbids installation of later license version with plus in forbidden license list" do
-      expect(described_class.licenses_forbid_installation?("EPL-2.0", epl_1_plus_forbidden)).to eq true
+      expect(described_class.licenses_forbid_installation?("EPL-2.0", epl_1_plus_forbidden)).to be true
     end
 
     it "allows installation when one of the any_of licenses is allowed" do
-      expect(described_class.licenses_forbid_installation?(any_of_license, mit_forbidden)).to eq false
+      expect(described_class.licenses_forbid_installation?(any_of_license, mit_forbidden)).to be false
     end
 
     it "forbids installation when none of the any_of licenses are allowed" do
-      expect(described_class.licenses_forbid_installation?(any_of_license, multiple_forbidden)).to eq true
+      expect(described_class.licenses_forbid_installation?(any_of_license, multiple_forbidden)).to be true
     end
 
     it "forbids installation when one of the all_of licenses is allowed" do
-      expect(described_class.licenses_forbid_installation?(all_of_license, mit_forbidden)).to eq true
+      expect(described_class.licenses_forbid_installation?(all_of_license, mit_forbidden)).to be true
     end
 
     it "allows installation with license + exception that aren't forbidden" do
-      expect(described_class.licenses_forbid_installation?(license_exception, epl_1_forbidden)).to eq false
+      expect(described_class.licenses_forbid_installation?(license_exception, epl_1_forbidden)).to be false
     end
 
     it "forbids installation with license + exception that are't forbidden" do
-      expect(described_class.licenses_forbid_installation?(license_exception, mit_forbidden)).to eq true
+      expect(described_class.licenses_forbid_installation?(license_exception, mit_forbidden)).to be true
     end
 
     it "allows installation with nested licenses with no forbidden licenses" do
-      expect(described_class.licenses_forbid_installation?(nested_licenses, epl_1_forbidden)).to eq false
+      expect(described_class.licenses_forbid_installation?(nested_licenses, epl_1_forbidden)).to be false
     end
 
     it "allows installation with nested licenses when second hash item matches" do
-      expect(described_class.licenses_forbid_installation?(nested_licenses, mit_forbidden)).to eq false
+      expect(described_class.licenses_forbid_installation?(nested_licenses, mit_forbidden)).to be false
     end
 
     it "forbids installation with nested licenses when all licenses are forbidden" do
-      expect(described_class.licenses_forbid_installation?(nested_licenses, multiple_forbidden)).to eq true
+      expect(described_class.licenses_forbid_installation?(nested_licenses, multiple_forbidden)).to be true
     end
   end
 
@@ -333,23 +333,23 @@ describe SPDX do
     let(:epl_1_plus_forbidden) { { "EPL-1.0+" => described_class.license_version_info("EPL-1.0+") } }
 
     it "returns false with no forbidden licenses" do
-      expect(described_class.forbidden_licenses_include?("MIT", {})).to eq false
+      expect(described_class.forbidden_licenses_include?("MIT", {})).to be false
     end
 
     it "returns false with no matching forbidden licenses" do
-      expect(described_class.forbidden_licenses_include?("MIT", epl_1_forbidden)).to eq false
+      expect(described_class.forbidden_licenses_include?("MIT", epl_1_forbidden)).to be false
     end
 
     it "returns true with matching license" do
-      expect(described_class.forbidden_licenses_include?("MIT", mit_forbidden)).to eq true
+      expect(described_class.forbidden_licenses_include?("MIT", mit_forbidden)).to be true
     end
 
     it "returns false with later version of forbidden license" do
-      expect(described_class.forbidden_licenses_include?("EPL-2.0", epl_1_forbidden)).to eq false
+      expect(described_class.forbidden_licenses_include?("EPL-2.0", epl_1_forbidden)).to be false
     end
 
     it "returns true with later version of forbidden license with later versions forbidden" do
-      expect(described_class.forbidden_licenses_include?("EPL-2.0", epl_1_plus_forbidden)).to eq true
+      expect(described_class.forbidden_licenses_include?("EPL-2.0", epl_1_plus_forbidden)).to be true
     end
   end
 end

Library/Homebrew/test/utils_spec.rb

@@ -132,7 +132,7 @@ describe "globally-scoped helper methods" do
     end
 
     it "skips non-executables" do
-      expect(which(File.basename(cmd), File.dirname(cmd))).to be nil
+      expect(which(File.basename(cmd), File.dirname(cmd))).to be_nil
     end
 
     it "skips malformed path and doesn't fail" do

Library/Homebrew/test/version_spec.rb

@@ -35,13 +35,13 @@ describe Version do
 
     specify "comparison returns nil for non-token" do
       v = described_class.create("1")
-      expect(v <=> Object.new).to be nil
+      expect(v <=> Object.new).to be_nil
       expect { v > Object.new }.to raise_error(ArgumentError)
     end
 
     describe "#to_str" do
       it "implicitly converts token to string" do
-        expect(String.try_convert(described_class.new("foo"))).not_to be nil
+        expect(String.try_convert(described_class.new("foo"))).not_to be_nil
       end
     end
   end
@@ -211,7 +211,7 @@ describe Version do
 
   specify "comparison returns nil for non-version" do
     v = described_class.create("1.0")
-    expect(v <=> Object.new).to be nil
+    expect(v <=> Object.new).to be_nil
     expect { v > Object.new }.to raise_error(ArgumentError)
   end
 
@@ -223,11 +223,11 @@ describe Version do
 
   describe "#empty?" do
     it "returns true if version is empty" do
-      expect(described_class.create("").empty?).to eq(true)
+      expect(described_class.create("").empty?).to be(true)
     end
 
     it "returns false if version is not empty" do
-      expect(described_class.create("1.2.3").empty?).to eq(false)
+      expect(described_class.create("1.2.3").empty?).to be(false)
     end
   end
 
@@ -271,7 +271,7 @@ describe Version do
 
     specify "HEAD without commit" do
       v = described_class.create("HEAD")
-      expect(v.commit).to be nil
+      expect(v.commit).to be_nil
       expect(v.to_str).to eq("HEAD")
     end
   end
@@ -326,7 +326,7 @@ describe Version do
 
   describe "#minor" do
     it "returns minor version token" do
-      expect(described_class.create("1").minor).to be nil
+      expect(described_class.create("1").minor).to be_nil
       expect(described_class.create("1.2").minor).to be == Version::Token.create("2")
       expect(described_class.create("1.2.3").minor).to be == Version::Token.create("2")
       expect(described_class.create("1.2.3alpha").minor).to be == Version::Token.create("2")
@@ -340,8 +340,8 @@ describe Version do
 
   describe "#patch" do
     it "returns patch version token" do
-      expect(described_class.create("1").patch).to be nil
-      expect(described_class.create("1.2").patch).to be nil
+      expect(described_class.create("1").patch).to be_nil
+      expect(described_class.create("1.2").patch).to be_nil
       expect(described_class.create("1.2.3").patch).to be == Version::Token.create("3")
       expect(described_class.create("1.2.3alpha").patch).to be == Version::Token.create("3")
       expect(described_class.create("1.2.3alpha4").patch).to be == Version::Token.create("3")

Library/Homebrew/vendor/bundle/bundler/setup.rb

@@ -87,7 +87,7 @@ $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/unicode-display_width
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/rubocop-1.25.1/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/rubocop-performance-1.13.2/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/rubocop-rails-2.13.2/lib"
-$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/rubocop-rspec-2.8.0/lib"
+$:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/rubocop-rspec-2.9.0/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/rubocop-sorbet-0.6.7/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/ruby-macho-3.0.0/lib"
 $:.unshift "#{path}/../#{ruby_engine}/#{ruby_version}/gems/simplecov-html-0.12.3/lib"

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/rubocop-rspec-2.9.0/config/default.yml

@@ -142,12 +142,24 @@ RSpec/Be:
   StyleGuide: https://rspec.rubystyle.guide/#be-matcher
   Reference: https://www.rubydoc.info/gems/rubocop-rspec/RuboCop/Cop/RSpec/Be
 
+RSpec/BeEq:
+  Description: Check for expectations where `be(...)` can replace `eq(...)`.
+  Enabled: pending
+  VersionAdded: 2.9.0
+  Reference: https://www.rubydoc.info/gems/rubocop-rspec/RuboCop/Cop/RSpec/BeEq
+
 RSpec/BeEql:
   Description: Check for expectations where `be(...)` can replace `eql(...)`.
   Enabled: true
   VersionAdded: '1.7'
   Reference: https://www.rubydoc.info/gems/rubocop-rspec/RuboCop/Cop/RSpec/BeEql
 
+RSpec/BeNil:
+  Description: Check that `be_nil` is used instead of `be(nil)`.
+  Enabled: pending
+  VersionAdded: 2.9.0
+  Reference: https://www.rubydoc.info/gems/rubocop-rspec/RuboCop/Cop/RSpec/BeNil
+
 RSpec/BeforeAfterAll:
   Description: Check that before/after(:all) isn't being used.
   Enabled: true

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/rubocop-rspec-2.9.0/lib/rubocop/cop/rspec/be_eq.rb

@@ -0,0 +1,45 @@
+# frozen_string_literal: true
+
+module RuboCop
+  module Cop
+    module RSpec
+      # Check for expectations where `be(...)` can replace `eq(...)`.
+      #
+      # The `be` matcher compares by identity while the `eq` matcher compares
+      # using `==`. Booleans and nil can be compared by identity and therefore
+      # the `be` matcher is preferable as it is a more strict test.
+      #
+      # @example
+      #
+      #   # bad
+      #   expect(foo).to eq(true)
+      #   expect(foo).to eq(false)
+      #   expect(foo).to eq(nil)
+      #
+      #   # good
+      #   expect(foo).to be(true)
+      #   expect(foo).to be(false)
+      #   expect(foo).to be(nil)
+      #
+      class BeEq < Base
+        extend AutoCorrector
+
+        MSG = 'Prefer `be` over `eq`.'
+        RESTRICT_ON_SEND = %i[eq].freeze
+
+        # @!method eq_type_with_identity?(node)
+        def_node_matcher :eq_type_with_identity?, <<-PATTERN
+          (send nil? :eq {true false nil})
+        PATTERN
+
+        def on_send(node)
+          return unless eq_type_with_identity?(node)
+
+          add_offense(node.loc.selector) do |corrector|
+            corrector.replace(node.loc.selector, 'be')
+          end
+        end
+      end
+    end
+  end
+end

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/rubocop-rspec-2.9.0/lib/rubocop/cop/rspec/be_eql.rb

@@ -43,7 +43,7 @@ module RuboCop
 
         # @!method eql_type_with_identity(node)
         def_node_matcher :eql_type_with_identity, <<-PATTERN
-          (send _ :to $(send nil? :eql {true false int float sym nil_type?}))
+          (send _ :to $(send nil? :eql {true false int float sym nil}))
         PATTERN
 
         def on_send(node)

Library/Homebrew/vendor/bundle/ruby/2.6.0/gems/rubocop-rspec-2.9.0/lib/rubocop/cop/rspec/be_nil.rb

@@ -0,0 +1,40 @@
+# frozen_string_literal: true
+
+module RuboCop
+  module Cop
+    module RSpec
+      # Check that `be_nil` is used instead of `be(nil)`.
+      #
+      # RSpec has a built-in `be_nil` matcher specifically for expecting `nil`.
+      # For consistent specs, we recommend using that instead of `be(nil)`.
+      #
+      # @example
+      #
+      #   # bad
+      #   expect(foo).to be(nil)
+      #
+      #   # good
+      #   expect(foo).to be_nil
+      #
+      class BeNil < Base
+        extend AutoCorrector
+
+        MSG = 'Prefer `be_nil` over `be(nil)`.'
+        RESTRICT_ON_SEND = %i[be].freeze
+
+        # @!method nil_value_expectation?(node)
+        def_node_matcher :nil_value_expectation?, <<-PATTERN
+          (send nil? :be nil)
+        PATTERN
+
+        def on_send(node)
+          return unless nil_value_expectation?(node)
+
+          add_offense(node) do |corrector|
+            corrector.replace(node.loc.expression, 'be_nil')
+          end
+        end
+      end
+    end
+  end
+end