diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index 532b00437ffd72cd764b57b2bf4c6f8bbe7dd9ce..12f001d113ec1de0cde18f57a1b6d6956fb07c61 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -103,6 +103,9 @@ jobs:
         if [ "$RUNNER_OS" = "macOS" ]; then
           brew tap homebrew/cask
           brew update-reset Library/Taps/homebrew/homebrew-cask
+
+          # don't care about `brew cask style` here.
+          brew untap adoptopenjdk/openjdk
         else
           # Fix permissions for 'brew tests'
           sudo chmod -R g-w,o-w /home/linuxbrew /home/runner /opt
@@ -159,6 +162,10 @@ jobs:
     - name: Run brew style on official taps
       run: brew style --display-cop-names homebrew/bundle homebrew/services homebrew/test-bot
 
+    - name: Run brew cask style
+      if: matrix.os == 'macOS-latest'
+      run: brew cask style
+
     - name: Run vale for docs linting
       run: |
         brew install vale
diff --git a/Library/.rubocop.yml b/Library/.rubocop.yml
index 81c1dc6692d7fc07c4c04e3597cba3ceeb578303..1fa2d137e6d8401214b700f8b80bfd8733d31686 100644
--- a/Library/.rubocop.yml
+++ b/Library/.rubocop.yml
@@ -1,4 +1,12 @@
-inherit_from: ./.rubocop_shared.yml
+# TODO: Try getting more rules in sync.
+
+require: ./Homebrew/rubocops.rb
+
+AllCops:
+  TargetRubyVersion: 2.6
+  DisplayCopNames: false
+  # enable all pending rubocops
+  NewCops: enable
 
 # enable all formulae audits
 FormulaAudit:
@@ -8,9 +16,108 @@ FormulaAudit:
 FormulaAuditStrict:
   Enabled: true
 
-# enable all pending rubocops
-AllCops:
-  NewCops: enable
+# Use `<<~` for heredocs.
+Layout/HeredocIndentation:
+  Enabled: true
+
+# Not useful in casks and formulae.
+Metrics/BlockLength:
+  Enabled: false
+
+# Keyword arguments don't have the same readability
+# problems as normal parameters.
+Metrics/ParameterLists:
+  CountKeywordArgs: false
+
+# Implicitly allow EOS as we use it everywhere.
+Naming/HeredocDelimiterNaming:
+  ForbiddenDelimiters:
+    - END, EOD, EOF
+
+# Allow dashes in filenames.
+Naming/FileName:
+  Regex: !ruby/regexp /^[\w\@\-\+\.]+(\.rb)?$/
+
+# Both styles are used depending on context,
+# e.g. `sha256` and `something_countable_1`.
+Naming/VariableNumber:
+  Enabled: false
+
+# Avoid leaking resources.
+Style/AutoResourceCleanup:
+  Enabled: true
+
+# This makes these a little more obvious.
+Style/BarePercentLiterals:
+  EnforcedStyle: percent_q
+
+# Use consistent style for better readability.
+Style/CollectionMethods:
+  Enabled: true
+
+# Prefer tokens with type annotations for consistency
+# between formatting numbers and strings.
+Style/FormatStringToken:
+  EnforcedStyle: annotated
+
+# autocorrectable and more readable
+Style/HashEachMethods:
+  Enabled: true
+Style/HashTransformKeys:
+  Enabled: true
+Style/HashTransformValues:
+  Enabled: true
+
+# Enabled now LineLength is lowish.
+Style/IfUnlessModifier:
+  Enabled: true
+
+# Only use this for numbers >= `1_000_000`.
+Style/NumericLiterals:
+  MinDigits: 7
+  Strict: true
+
+# Zero-prefixed octal literals are widely used and understood.
+Style/NumericLiteralPrefix:
+  EnforcedOctalStyle: zero_only
+
+# Rescuing `StandardError` is an understood default.
+Style/RescueStandardError:
+  EnforcedStyle: implicit
+
+# Returning `nil` is unnecessary.
+Style/ReturnNil:
+  Enabled: true
+
+# We have no use for using `warn` because we
+# are calling Ruby with warnings disabled.
+Style/StderrPuts:
+  Enabled: false
+
+# Use consistent method names.
+Style/StringMethods:
+  Enabled: true
+
+# An array of symbols is more readable than a symbol array
+# and also allows for easier grepping.
+Style/SymbolArray:
+  EnforcedStyle: brackets
+
+# Trailing commas make diffs nicer.
+Style/TrailingCommaInArguments:
+  EnforcedStyleForMultiline: comma
+Style/TrailingCommaInArrayLiteral:
+  EnforcedStyleForMultiline: comma
+Style/TrailingCommaInHashLiteral:
+  EnforcedStyleForMultiline: comma
+
+# Does not hinder readability, so might as well enable it.
+Performance/CaseWhenSplat:
+  Enabled: true
+
+# Makes code less readable for minor performance increases.
+Performance/Caller:
+  Enabled: false
 
 # don't allow cops to be disabled in formulae
 Style/DisableCopsWithinSourceCodeDirective:
@@ -54,6 +161,7 @@ Lint/AmbiguousRegexpLiteral:
 Lint/ParenthesesAsGroupedExpression:
   Enabled: false
 
+
 # most metrics don't make sense to apply for formulae/taps
 Metrics/AbcSize:
   Enabled: false
@@ -72,7 +180,15 @@ Metrics/PerceivedComplexity:
 Layout/LineLength:
   Max: 118
   # ignore manpage comments and long single-line strings
-  IgnoredPatterns: ['#: ', ' url "', ' mirror "', ' plist_options :']
+  IgnoredPatterns: ['#: ', ' url "', ' mirror "', ' plist_options ',
+                    ' appcast "', ' executable: "', '#{version.',
+                    ' "~/Library/Application Support/', '"~/Library/Caches/', '"~/Application Support',
+                    ' was verified as official when first introduced to the cask']
+
+# TODO: remove this when possible.
+Style/ClassVars:
+  Exclude:
+  - '**/developer/bin/*'
 
 # most of our APIs are internal so don't require docs
 Style/Documentation:
@@ -82,26 +198,18 @@ Style/Documentation:
 Style/FrozenStringLiteralComment:
   Enabled: false
 
+# TODO: remove this when possible.
+Style/GlobalVars:
+  Exclude:
+  - '**/developer/bin/*'
+
 # potential for errors in formulae too high with this
 Style/GuardClause:
   Enabled: false
 
-# depends_on a: :b looks weird in formulae.
+# avoid hash rockets where possible
 Style/HashSyntax:
-  EnforcedStyle: hash_rockets
-  Exclude:
-  - '**/Guardfile'
-  - '**/cmd/**/*.rb'
-  - '**/lib/**/*.rb'
-  - '**/spec/**/*.rb'
-
-# autocorrectable and more readable
-Style/HashEachMethods:
-  Enabled: true
-Style/HashTransformKeys:
-  Enabled: true
-Style/HashTransformValues:
-  Enabled: true
+  EnforcedStyle: ruby19
 
 # ruby style guide favorite
 Style/StringLiterals:
@@ -118,3 +226,11 @@ Style/TernaryParentheses:
 # a bit confusing to non-Rubyists but useful for longer arrays
 Style/WordArray:
   MinSize: 4
+
+# would rather freeze too much than too little
+Style/MutableConstant:
+  EnforcedStyle: strict
+
+# unused keyword arguments improve APIs
+Lint/UnusedMethodArgument:
+  AllowUnusedKeywordArguments: true
diff --git a/Library/.rubocop_cask.yml b/Library/.rubocop_cask.yml
index db3d6caf66f9caab31c29947d42c151b14dda33b..e53db5a55d6687de76c6c3ca6a66350dadd32605 100644
--- a/Library/.rubocop_cask.yml
+++ b/Library/.rubocop_cask.yml
@@ -1,10 +1,8 @@
-inherit_from: ./.rubocop_shared.yml
+inherit_from: ./Homebrew/.rubocop.yml
 
 Cask/HomepageMatchesUrl:
   Description: 'Ensure that the homepage and url match, otherwise add a comment. More info at https://github.com/Homebrew/homebrew-cask/blob/HEAD/doc/cask_language_reference/stanzas/url.md#when-url-and-homepage-hostnames-differ-add-a-comment'
   Enabled: true
-  Exclude:
-  - '**/test/support/fixtures/cask/Casks/**/*.rb'
 
 Cask/HomepageUrlTrailingSlash:
   Description: 'Ensure that the homepage url has a slash after the domain name.'
@@ -22,44 +20,6 @@ Cask/StanzaOrder:
   Description: 'Ensure that cask stanzas are sorted correctly. More info at https://github.com/Homebrew/homebrew-cask/blob/HEAD/CONTRIBUTING.md#stanza-order'
   Enabled: true
 
-Layout/HashAlignment:
-  EnforcedHashRocketStyle: table
-  EnforcedColonStyle: table
-
-Layout/FirstArrayElementIndentation:
-  EnforcedStyle: align_brackets
-
-Layout/FirstHashElementIndentation:
-  EnforcedStyle: align_braces
-
-# Casks often contain long URLs and file paths.
-Layout/LineLength:
-  Enabled: false
-
-# Casks don't need documentation.
-Style/Documentation:
-  Enabled: false
-
-# These would only be distracting in casks.
+# don't want this for casks but re-enabled for Library/Homebrew
 Style/FrozenStringLiteralComment:
-  EnforcedStyle: never
-
-# Don't use hash rockets.
-Style/HashSyntax:
-  EnforcedStyle: ruby19_no_mixed_keys
-
-# This is more readable when the regex contains slashes.
-Style/RegexpLiteral:
-  EnforcedStyle: percent_r
-
-# Use consistent style for all arrays.
-Style/WordArray:
-  EnforcedStyle: brackets
-
-# This makes multi-line arrays more readable and alignable.
-Layout/FirstArrayElementLineBreak:
-  Enabled: true
-
-# This makes multi-line hashes more readable and alignable.
-Layout/FirstHashElementLineBreak:
-  Enabled: true
+  Enabled: false
diff --git a/Library/.rubocop_shared.yml b/Library/.rubocop_shared.yml
deleted file mode 100644
index 1f35180e12acde4c9842ef96dfb362f0dc909e78..0000000000000000000000000000000000000000
--- a/Library/.rubocop_shared.yml
+++ /dev/null
@@ -1,110 +0,0 @@
-# TODO: Try getting more rules in sync.
-
-require: ./Homebrew/rubocops.rb
-
-AllCops:
-  TargetRubyVersion: 2.6
-  DisplayCopNames: false
-
-# Use `<<~` for heredocs.
-Layout/HeredocIndentation:
-  Enabled: true
-
-# Not useful in casks and formulae.
-Metrics/BlockLength:
-  Enabled: false
-
-# Keyword arguments don't have the same readability
-# problems as normal parameters.
-Metrics/ParameterLists:
-  CountKeywordArgs: false
-
-# Implicitly allow EOS as we use it everywhere.
-Naming/HeredocDelimiterNaming:
-  ForbiddenDelimiters:
-    - END, EOD, EOF
-
-# Allow dashes in filenames.
-Naming/FileName:
-  Regex: !ruby/regexp /^[\w\@\-\+\.]+(\.rb)?$/
-
-# Both styles are used depending on context,
-# e.g. `sha256` and `something_countable_1`.
-Naming/VariableNumber:
-  Enabled: false
-
-# Avoid leaking resources.
-Style/AutoResourceCleanup:
-  Enabled: true
-
-# This makes these a little more obvious.
-Style/BarePercentLiterals:
-  EnforcedStyle: percent_q
-
-# Use consistent style for better readability.
-Style/CollectionMethods:
-  Enabled: true
-
-# Prefer tokens with type annotations for consistency
-# between formatting numbers and strings.
-Style/FormatStringToken:
-  EnforcedStyle: annotated
-
-# autocorrectable and more readable
-Style/HashEachMethods:
-  Enabled: true
-Style/HashTransformKeys:
-  Enabled: true
-Style/HashTransformValues:
-  Enabled: true
-
-# Enabled now LineLength is lowish.
-Style/IfUnlessModifier:
-  Enabled: true
-
-# Only use this for numbers >= `1_000_000`.
-Style/NumericLiterals:
-  MinDigits: 7
-  Strict: true
-
-# Zero-prefixed octal literals are widely used and understood.
-Style/NumericLiteralPrefix:
-  EnforcedOctalStyle: zero_only
-
-# Rescuing `StandardError` is an understood default.
-Style/RescueStandardError:
-  EnforcedStyle: implicit
-
-# Returning `nil` is unnecessary.
-Style/ReturnNil:
-  Enabled: true
-
-# We have no use for using `warn` because we
-# are calling Ruby with warnings disabled.
-Style/StderrPuts:
-  Enabled: false
-
-# Use consistent method names.
-Style/StringMethods:
-  Enabled: true
-
-# An array of symbols is more readable than a symbol array
-# and also allows for easier grepping.
-Style/SymbolArray:
-  EnforcedStyle: brackets
-
-# Trailing commas make diffs nicer.
-Style/TrailingCommaInArguments:
-  EnforcedStyleForMultiline: comma
-Style/TrailingCommaInArrayLiteral:
-  EnforcedStyleForMultiline: comma
-Style/TrailingCommaInHashLiteral:
-  EnforcedStyleForMultiline: comma
-
-# Does not hinder readability, so might as well enable it.
-Performance/CaseWhenSplat:
-  Enabled: true
-
-# Makes code less readable for minor performance increases.
-Performance/Caller:
-  Enabled: false
diff --git a/Library/Homebrew/.rubocop.yml b/Library/Homebrew/.rubocop.yml
index 7641e575e5805d5fb9f0054c5218882669fad5d1..cca1eb320434ea47ffcae22c078f08988f5bf826 100644
--- a/Library/Homebrew/.rubocop.yml
+++ b/Library/Homebrew/.rubocop.yml
@@ -6,7 +6,6 @@ AllCops:
     - 'Library/Homebrew/.simplecov'
   Exclude:
     - 'bin/*'
-    - '**/Casks/**/*'
     - '**/vendor/**/*'
 
 # messes up system formatting for formulae but good for Homebrew/brew
@@ -35,10 +34,6 @@ Lint/NestedMethodDefinition:
 Lint/ParenthesesAsGroupedExpression:
   Enabled: true
 
-# unused keyword arguments improve APIs
-Lint/UnusedMethodArgument:
-  AllowUnusedKeywordArguments: true
-
 # TODO: try to bring down all metrics maximums
 Metrics/AbcSize:
   Enabled: true
@@ -113,10 +108,7 @@ Style/BlockDelimiters:
 
 # don't group nicely documented or private attr_readers
 Style/AccessorGrouping:
-  Enabled: true
   Exclude:
-    - 'cask/cmd/internal_stanza.rb'
-    - 'cask/download.rb'
     - 'formula.rb'
     - 'formulary.rb'
     - 'migrator.rb'
@@ -124,11 +116,6 @@ Style/AccessorGrouping:
     - 'system_command.rb'
     - 'tap.rb'
 
-# https://github.com/rubocop-hq/rubocop/issues/8257
-Style/BisectedAttrAccessor:
-  Exclude:
-     - 'cask/url.rb'
-
 # document our public APIs
 Style/Documentation:
   Enabled: true
@@ -143,19 +130,9 @@ Style/DocumentationMethod:
 Style/FrozenStringLiteralComment:
   Enabled: true
   EnforcedStyle: always
+  Exclude:
+  - '**/Casks/**/*.rb'
 
 # so many of these in formulae but none in here
 Style/GuardClause:
   Enabled: true
-
-# hash-rockets preferred for formulae, a: 1 preferred here
-Style/HashSyntax:
-  EnforcedStyle: ruby19_no_mixed_keys
-
-# would rather freeze too much than too little
-Style/MutableConstant:
-  EnforcedStyle: strict
-
-# LineLength is low enough here to re-enable it.
-Style/IfUnlessModifier:
-  Enabled: true
diff --git a/Library/Homebrew/cask/cmd/internal_stanza.rb b/Library/Homebrew/cask/cmd/internal_stanza.rb
index 20235e13aff9220e76aa31b2722f8c60c7130aff..106bd91560d3dd36bf49c553deed8ae4e491988a 100644
--- a/Library/Homebrew/cask/cmd/internal_stanza.rb
+++ b/Library/Homebrew/cask/cmd/internal_stanza.rb
@@ -32,12 +32,8 @@ module Cask
       option "--yaml",    :yaml,    false
       option "--inspect", :inspect, false
 
-      attr_accessor :format
-
+      attr_accessor :format, :stanza
       private :format, :format=
-
-      attr_accessor :stanza
-
       private :stanza, :stanza=
 
       def initialize(*)
diff --git a/Library/Homebrew/rubocops/cask/homepage_matches_url.rb b/Library/Homebrew/rubocops/cask/homepage_matches_url.rb
index ca2bea9d6d2a3ac8b38731d57e22b289a8dc0626..7d80c6405a1c00b9cde7d245eff71a22e21c771d 100644
--- a/Library/Homebrew/rubocops/cask/homepage_matches_url.rb
+++ b/Library/Homebrew/rubocops/cask/homepage_matches_url.rb
@@ -9,7 +9,7 @@ module RuboCop
       # or if it doesn't, checks if a comment in the form
       # `# example.com was verified as official when first introduced to the cask`
       # is present.
-      class HomepageMatchesUrl < Cop # rubocop:disable Metrics/ClassLength
+      class HomepageMatchesUrl < Cop
         extend Forwardable
         include CaskHelp
 
@@ -134,7 +134,13 @@ module RuboCop
 
         def url_match_homepage?(stanza)
           host = extract_url(stanza).downcase
-          host_uri = URI(remove_non_ascii(host))
+          host_uri = begin
+            URI(remove_non_ascii(host))
+          rescue URI::InvalidURIError
+            # Can't check if we can't parse.
+            return true
+          end
+
           host = if host.match?(/:\d/) && host_uri.port != 80
             "#{host_uri.host}:#{host_uri.port}"
           else
diff --git a/Library/Homebrew/test/cask/cmd/cat_spec.rb b/Library/Homebrew/test/cask/cmd/cat_spec.rb
index 5c424e6e67864e51cf6898b3cec5583324e91388..23dfa89f5b2d1487a263666fd420dd847c2ea0fa 100644
--- a/Library/Homebrew/test/cask/cmd/cat_spec.rb
+++ b/Library/Homebrew/test/cask/cmd/cat_spec.rb
@@ -10,14 +10,14 @@ describe Cask::Cmd::Cat, :cask do
   describe "given a basic Cask" do
     let(:basic_cask_content) {
       <<~RUBY
-        cask 'basic-cask' do
-          version '1.2.3'
-          sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+        cask "basic-cask" do
+          version "1.2.3"
+          sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
-          url 'https://brew.sh/TestCask.dmg'
-          homepage 'https://brew.sh/'
+          url "https://brew.sh/TestCask.dmg"
+          homepage "https://brew.sh/"
 
-          app 'TestCask.app'
+          app "TestCask.app"
         end
       RUBY
     }
diff --git a/Library/Homebrew/test/cask/cmd/style_spec.rb b/Library/Homebrew/test/cask/cmd/style_spec.rb
index 5767740cb203e678084e128553c14d665437cf59..529e384c4f2b0a15ef69677912eb3d672b482134 100644
--- a/Library/Homebrew/test/cask/cmd/style_spec.rb
+++ b/Library/Homebrew/test/cask/cmd/style_spec.rb
@@ -15,14 +15,16 @@ describe Cask::Cmd::Style, :cask do
 
     around do |example|
       FileUtils.ln_s HOMEBREW_LIBRARY_PATH, HOMEBREW_LIBRARY/"Homebrew"
+      FileUtils.ln_s HOMEBREW_LIBRARY_PATH.parent/".rubocop.yml", HOMEBREW_LIBRARY/".rubocop.yml"
       FileUtils.ln_s HOMEBREW_LIBRARY_PATH.parent/".rubocop_cask.yml", HOMEBREW_LIBRARY/".rubocop_cask.yml"
-      FileUtils.ln_s HOMEBREW_LIBRARY_PATH.parent/".rubocop_shared.yml", HOMEBREW_LIBRARY/".rubocop_shared.yml"
+      FileUtils.ln_s HOMEBREW_LIBRARY_PATH.parent/".rubocop_rspec.yml", HOMEBREW_LIBRARY/".rubocop_rspec.yml"
 
       example.run
     ensure
       FileUtils.rm_f HOMEBREW_LIBRARY/"Homebrew"
+      FileUtils.rm_f HOMEBREW_LIBRARY/".rubocop.yml"
       FileUtils.rm_f HOMEBREW_LIBRARY/".rubocop_cask.yml"
-      FileUtils.rm_f HOMEBREW_LIBRARY/".rubocop_shared.yml"
+      FileUtils.rm_f HOMEBREW_LIBRARY/".rubocop_rspec.yml"
     end
 
     before do
diff --git a/Library/Homebrew/test/style_spec.rb b/Library/Homebrew/test/style_spec.rb
index cd5bcaefdaeee3eeefe19ff947031a1ca725ea58..36f8a035e0a9a6c198dd975c8225c48668799ff4 100644
--- a/Library/Homebrew/test/style_spec.rb
+++ b/Library/Homebrew/test/style_spec.rb
@@ -6,13 +6,11 @@ describe Homebrew::Style do
   around do |example|
     FileUtils.ln_s HOMEBREW_LIBRARY_PATH, HOMEBREW_LIBRARY/"Homebrew"
     FileUtils.ln_s HOMEBREW_LIBRARY_PATH.parent/".rubocop.yml", HOMEBREW_LIBRARY/".rubocop.yml"
-    FileUtils.ln_s HOMEBREW_LIBRARY_PATH.parent/".rubocop_shared.yml", HOMEBREW_LIBRARY/".rubocop_shared.yml"
 
     example.run
   ensure
     FileUtils.rm_f HOMEBREW_LIBRARY/"Homebrew"
     FileUtils.rm_f HOMEBREW_LIBRARY/".rubocop.yml"
-    FileUtils.rm_f HOMEBREW_LIBRARY/".rubocop_shared.yml"
   end
 
   before do
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/adobe-air.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/adobe-air.rb
index 39c7214180f166ffb6f1e280b088992236f21549..87f3b46d2e6bacab6ef59c71609588d72b9ddd43 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/adobe-air.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/adobe-air.rb
@@ -1,10 +1,10 @@
-cask 'adobe-air' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "adobe-air" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
-  url 'https://brew.sh/TestCask.dmg'
-  name 'Adobe Air'
-  homepage 'https://brew.sh/'
+  url "https://brew.sh/TestCask.dmg"
+  name "Adobe Air"
+  homepage "https://brew.sh/"
 
-  app 'TestCask.app'
+  app "TestCask.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/adobe-illustrator.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/adobe-illustrator.rb
index afe643362a0b506abc85fc91fa5cc8f87f336a5d..982540f4695b8114512417efe92542710e3ddfb7 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/adobe-illustrator.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/adobe-illustrator.rb
@@ -1,10 +1,10 @@
-cask 'adobe-illustrator' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "adobe-illustrator" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
-  url 'https://brew.sh/TestCask.dmg'
-  name 'Adobe Illustrator'
-  homepage 'https://brew.sh/'
+  url "https://brew.sh/TestCask.dmg"
+  name "Adobe Illustrator"
+  homepage "https://brew.sh/"
 
-  app 'TestCask.app'
+  app "TestCask.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/appdir-interpolation.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/appdir-interpolation.rb
index 9cfdd1f3864250aaa5bcb2e525f98d798bb83f56..9ad8f2be4b0ebbb88fe84a88870c2cebe15160ba 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/appdir-interpolation.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/appdir-interpolation.rb
@@ -1,9 +1,9 @@
-cask 'appdir-interpolation' do
-  version '2.61'
-  sha256 'e44ffa103fbf83f55c8d0b1bea309a43b2880798dae8620b1ee8da5e1095ec68'
+cask "appdir-interpolation" do
+  version "2.61"
+  sha256 "e44ffa103fbf83f55c8d0b1bea309a43b2880798dae8620b1ee8da5e1095ec68"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/transmission-2.61.dmg"
-  homepage 'https://brew.sh/appdir-interpolation'
+  homepage "https://brew.sh/appdir-interpolation"
 
   binary "#{appdir}/some/path"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/auto-updates.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/auto-updates.rb
index b0264369f58fea2e96a9e14be3da96a47222b7d8..508b606709a7b9afd244283b0326d3ed0e87269e 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/auto-updates.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/auto-updates.rb
@@ -1,11 +1,11 @@
-cask 'auto-updates' do
-  version '2.61'
-  sha256 '5633c3a0f2e572cbf021507dec78c50998b398c343232bdfc7e26221d0a5db4d'
+cask "auto-updates" do
+  version "2.61"
+  sha256 "5633c3a0f2e572cbf021507dec78c50998b398c343232bdfc7e26221d0a5db4d"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyApp.zip"
-  homepage 'https://brew.sh/MyFancyApp'
+  homepage "https://brew.sh/MyFancyApp"
 
   auto_updates true
 
-  app 'MyFancyApp/MyFancyApp.app'
+  app "MyFancyApp/MyFancyApp.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/bad-checksum.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/bad-checksum.rb
index 71c2161948db9a484d3a656b1c299a9b6d55a484..af3a4a98db5f068a87589a38141594ffee602e57 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/bad-checksum.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/bad-checksum.rb
@@ -1,9 +1,9 @@
-cask 'bad-checksum' do
-  version '1.2.3'
-  sha256 'badbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadb'
+cask "bad-checksum" do
+  version "1.2.3"
+  sha256 "badbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadb"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/bad-checksum2.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/bad-checksum2.rb
index 6fe4729e477200b782d3405d6b2f83f9cb160db5..0e99fb424387b8bcbbad664220eabb65e8fcee08 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/bad-checksum2.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/bad-checksum2.rb
@@ -1,9 +1,9 @@
-cask 'bad-checksum2' do
-  version '1.2.3'
-  sha256 'badbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadb'
+cask "bad-checksum2" do
+  version "1.2.3"
+  sha256 "badbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadbadb"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/container.tar.gz"
-  homepage 'https://brew.sh/container-tar-gz'
+  homepage "https://brew.sh/container-tar-gz"
 
-  app 'container'
+  app "container"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/basic-cask.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/basic-cask.rb
index 427b2dc0d29a9462a56b4fd8d131cb58cf7f7676..08b1ea772377fbc3e5bbb1a65b14e8a302a2da1f 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/basic-cask.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/basic-cask.rb
@@ -1,9 +1,9 @@
-cask 'basic-cask' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "basic-cask" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
-  url 'https://brew.sh/TestCask.dmg'
-  homepage 'https://brew.sh/'
+  url "https://brew.sh/TestCask.dmg"
+  homepage "https://brew.sh/"
 
-  app 'TestCask.app'
+  app "TestCask.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/booby-trap.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/booby-trap.rb
index 9d3a6d3334e29040e0e020ac54ea86aa803bdd1b..a720d5300f3f7789529d57500cc39887ae4ec633 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/booby-trap.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/booby-trap.rb
@@ -1,8 +1,8 @@
-cask 'booby-trap' do
-  version '0.0.7'
+cask "booby-trap" do
+  version "0.0.7"
 
   url do
     # to be lazily evaluated
-    raise 'Boom'
+    raise "Boom"
   end
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/compat/with-depends-on-macos-string.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/compat/with-depends-on-macos-string.rb
index 939b7713cc6a5018876f34aa946b6850ad30a1ca..0d33222c22eb36e135e94b59465b3beaede0c9af 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/compat/with-depends-on-macos-string.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/compat/with-depends-on-macos-string.rb
@@ -1,11 +1,11 @@
-cask 'with-depends-on-macos-string' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-depends-on-macos-string" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-depends-on-macos-string'
+  homepage "https://brew.sh/with-depends-on-macos-string"
 
   depends_on macos: MacOS.version.to_s
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/container-7z.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/container-7z.rb
index f7f2d9f83fb57c75198cc419408b2f7bdba94814..8b2dca0b8a1546c0b2bc9b2a3e95ec615758b0d8 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/container-7z.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/container-7z.rb
@@ -1,11 +1,11 @@
-cask 'container-7z' do
-  version '1.2.3'
-  sha256 '3f9542ace85ed5f88549e2d0ea82210f8ddc87e0defbb78469d3aed719b3c964'
+cask "container-7z" do
+  version "1.2.3"
+  sha256 "3f9542ace85ed5f88549e2d0ea82210f8ddc87e0defbb78469d3aed719b3c964"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/container.7z"
-  homepage 'https://brew.sh/container-7z'
+  homepage "https://brew.sh/container-7z"
 
-  depends_on formula: 'unar'
+  depends_on formula: "unar"
 
-  app 'container'
+  app "container"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/container-bzip2.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/container-bzip2.rb
index 7ef7b8c03e7ca85609ac9de3c25936103fba7ccb..49d54be605551c7741aeaf3320a94679006bb9b3 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/container-bzip2.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/container-bzip2.rb
@@ -1,9 +1,9 @@
-cask 'container-bzip2' do
-  version '1.2.3'
-  sha256 'eaf67b3a62cb9275f96e45d05c70b94bef9ef1dae344083e93eda6b0b388a61c'
+cask "container-bzip2" do
+  version "1.2.3"
+  sha256 "eaf67b3a62cb9275f96e45d05c70b94bef9ef1dae344083e93eda6b0b388a61c"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/container.bz2"
-  homepage 'https://brew.sh/container-bzip2'
+  homepage "https://brew.sh/container-bzip2"
 
-  app 'container'
+  app "container"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/container-cab.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/container-cab.rb
index c09fc0545c79143833c40ea15cf85e2a6037f32e..59082d7a6310f8f559efcd046651de2e80498403 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/container-cab.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/container-cab.rb
@@ -1,11 +1,11 @@
-cask 'container-cab' do
-  version '1.2.3'
-  sha256 'c267f5cebb14814c8e612a8b7d2bda02aec913f869509b6f1d3883427c0f552b'
+cask "container-cab" do
+  version "1.2.3"
+  sha256 "c267f5cebb14814c8e612a8b7d2bda02aec913f869509b6f1d3883427c0f552b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/container.cab"
-  homepage 'https://brew.sh/container-cab'
+  homepage "https://brew.sh/container-cab"
 
-  depends_on formula: 'cabextract'
+  depends_on formula: "cabextract"
 
-  app 'container'
+  app "container"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/container-dmg.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/container-dmg.rb
index 1d34c071ec8a7641c794c4d5fb8f1e430a60a198..7b1ebb8feaf9452cc64960999a57b36c37a61bbe 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/container-dmg.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/container-dmg.rb
@@ -1,9 +1,9 @@
-cask 'container-dmg' do
-  version '1.2.3'
-  sha256 '74d89d4fa5cef175cf43666ce11fefa3741aa1522114042ac75e656be37141a1'
+cask "container-dmg" do
+  version "1.2.3"
+  sha256 "74d89d4fa5cef175cf43666ce11fefa3741aa1522114042ac75e656be37141a1"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/container.dmg"
-  homepage 'https://brew.sh/container-dmg'
+  homepage "https://brew.sh/container-dmg"
 
-  app 'container'
+  app "container"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/container-gzip.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/container-gzip.rb
index 2ccc6c56283b887ef97cacf4df1f60b16d1a5d3d..96f86f416fa1d974a87da978cc683bb348675d48 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/container-gzip.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/container-gzip.rb
@@ -1,9 +1,9 @@
-cask 'container-gzip' do
-  version '1.2.3'
-  sha256 'fa4ebb5246583c4b6e62e1df4e3b71b4e38a1d7d91c025665827195d36214b20'
+cask "container-gzip" do
+  version "1.2.3"
+  sha256 "fa4ebb5246583c4b6e62e1df4e3b71b4e38a1d7d91c025665827195d36214b20"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/container.gz"
-  homepage 'https://brew.sh/container-gzip'
+  homepage "https://brew.sh/container-gzip"
 
-  app 'container'
+  app "container"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/container-pkg.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/container-pkg.rb
index 11250b90827d3a4b8db073f235beb71d0c30c1b5..2dd02e2db3327470a3514e27a89ddd4c10c158cc 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/container-pkg.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/container-pkg.rb
@@ -1,7 +1,7 @@
-cask 'container-pkg' do
-  version '1.2.3'
-  sha256 '611c50c8a2a2098951d2cd0fd54787ed81b92cd97b4b08bd7cba17f1e1d8e40b'
+cask "container-pkg" do
+  version "1.2.3"
+  sha256 "611c50c8a2a2098951d2cd0fd54787ed81b92cd97b4b08bd7cba17f1e1d8e40b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/container.pkg"
-  homepage 'https://brew.sh/container-pkg'
+  homepage "https://brew.sh/container-pkg"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/container-tar-gz.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/container-tar-gz.rb
index 81afa6155ff25c05bb8d9634b8b71f65067eeb42..3a4a03f4e488c319c1ea7cc2c87e268927358a8a 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/container-tar-gz.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/container-tar-gz.rb
@@ -1,9 +1,9 @@
-cask 'container-tar-gz' do
-  version '1.2.3'
-  sha256 'fab685fabf73d5a9382581ce8698fce9408f5feaa49fa10d9bc6c510493300f5'
+cask "container-tar-gz" do
+  version "1.2.3"
+  sha256 "fab685fabf73d5a9382581ce8698fce9408f5feaa49fa10d9bc6c510493300f5"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/container.tar.gz"
-  homepage 'https://brew.sh/container-tar-gz'
+  homepage "https://brew.sh/container-tar-gz"
 
-  app 'container'
+  app "container"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/container-xar.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/container-xar.rb
index 38a205a24b2f2277a1646f9df11e7f201817080e..6da86517a00911bc094bb7cd85bba308f704d40b 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/container-xar.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/container-xar.rb
@@ -1,9 +1,9 @@
-cask 'container-xar' do
-  version '1.2.3'
-  sha256 '5bb8e09a6fc630ebeaf266b1fd2d15e2ae7d32d7e4da6668a8093426fa1ba509'
+cask "container-xar" do
+  version "1.2.3"
+  sha256 "5bb8e09a6fc630ebeaf266b1fd2d15e2ae7d32d7e4da6668a8093426fa1ba509"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/container.xar"
-  homepage 'https://brew.sh/container-xar'
+  homepage "https://brew.sh/container-xar"
 
-  app 'container'
+  app "container"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/devmate-with-appcast.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/devmate-with-appcast.rb
index ff6ce958b1118e49afaf3c2a311a1990875a431f..5a83a2b1ef165712a3c693b6aa0ed1b6cef6f970 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/devmate-with-appcast.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/devmate-with-appcast.rb
@@ -1,12 +1,12 @@
-cask 'devmate-with-appcast' do
-  version '1.0'
-  sha256 'a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9'
+cask "devmate-with-appcast" do
+  version "1.0"
+  sha256 "a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9"
 
   # dl.devmate.com/com.my.fancyapp was verified as official when first introduced to the cask
   url "https://dl.devmate.com/com.my.fancyapp/app_#{version}.zip"
-  appcast 'https://updates.devmate.com/com.my.fancyapp.app.xml'
-  name 'DevMate'
-  homepage 'https://www.brew.sh/'
+  appcast "https://updates.devmate.com/com.my.fancyapp.app.xml"
+  name "DevMate"
+  homepage "https://www.brew.sh/"
 
-  app 'DevMate.app'
+  app "DevMate.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/devmate-without-appcast.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/devmate-without-appcast.rb
index 0d9b1011679ce74fa1810a8f2e1651f8a150b202..fc3f177721e3c19db9a3c68a8dfe7614a4995336 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/devmate-without-appcast.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/devmate-without-appcast.rb
@@ -1,11 +1,11 @@
-cask 'devmate-without-appcast' do
-  version '1.0'
-  sha256 'a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9'
+cask "devmate-without-appcast" do
+  version "1.0"
+  sha256 "a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9"
 
   # dl.devmate.com/com.my.fancyapp was verified as official when first introduced to the cask
   url "https://dl.devmate.com/com.my.fancyapp/app_#{version}.zip"
-  name 'DevMate'
-  homepage 'https://www.brew.sh/'
+  name "DevMate"
+  homepage "https://www.brew.sh/"
 
-  app 'DevMate.app'
+  app "DevMate.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/generic-artifact-absolute-target.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/generic-artifact-absolute-target.rb
index 362bdd22d68b90860f7d01eaf7279a59ee88d46c..d35cf81382c1726ae44bf341e6a5bf33ad344474 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/generic-artifact-absolute-target.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/generic-artifact-absolute-target.rb
@@ -1,3 +1,3 @@
-cask 'generic-artifact-absolute-target' do
-  artifact 'Caffeine.app', target: "#{appdir}/Caffeine.app"
+cask "generic-artifact-absolute-target" do
+  artifact "Caffeine.app", target: "#{appdir}/Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/generic-artifact-relative-target.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/generic-artifact-relative-target.rb
index eb521e35aae2a700e868abb07b408bc01ada47ec..576f4de472246719cd7b8f4c9c1bb196c5dd2486 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/generic-artifact-relative-target.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/generic-artifact-relative-target.rb
@@ -1,3 +1,3 @@
-cask 'generic-artifact-relative-target' do
-  artifact 'Caffeine.app', target: 'Caffeine.app'
+cask "generic-artifact-relative-target" do
+  artifact "Caffeine.app", target: "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/github-with-appcast.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/github-with-appcast.rb
index 5017b4f50107a90b95f3ff833142a9ec406dcf9c..5f679fb8f2fa2475f1a87a8669a57fa410ea7985 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/github-with-appcast.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/github-with-appcast.rb
@@ -1,13 +1,13 @@
-cask 'github-with-appcast' do
-  version '1.0'
-  sha256 'a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9'
+cask "github-with-appcast" do
+  version "1.0"
+  sha256 "a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9"
 
   url "https://github.com/user/project/releases/download/#{version}/github.pkg"
-  appcast 'https://github.com/user/project/releases.atom'
-  name 'github'
-  homepage 'https://github.com/user/project'
+  appcast "https://github.com/user/project/releases.atom"
+  name "github"
+  homepage "https://github.com/user/project"
 
-  pkg 'github.pkg'
+  pkg "github.pkg"
 
-  uninstall pkgutil: 'com.github'
+  uninstall pkgutil: "com.github"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/github-without-appcast.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/github-without-appcast.rb
index 9e7e17864d26f3199e7a20ac228e6201e38636b6..3637fda8754a01c44fed1765b20bf04de4eda876 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/github-without-appcast.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/github-without-appcast.rb
@@ -1,12 +1,12 @@
-cask 'github-without-appcast' do
-  version '1.0'
-  sha256 'a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9'
+cask "github-without-appcast" do
+  version "1.0"
+  sha256 "a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9"
 
   url "https://github.com/user/project/releases/download/#{version}/github.pkg"
-  name 'github'
-  homepage 'https://github.com/user/project'
+  name "github"
+  homepage "https://github.com/user/project"
 
-  pkg 'github.pkg'
+  pkg "github.pkg"
 
-  uninstall pkgutil: 'com.github'
+  uninstall pkgutil: "com.github"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/hockeyapp-with-appcast.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/hockeyapp-with-appcast.rb
index 6d1b89a73736e33d921e1e3f2eab4c1f64bc7f53..48385f356acb209566703a829e182473867521a8 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/hockeyapp-with-appcast.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/hockeyapp-with-appcast.rb
@@ -1,12 +1,12 @@
-cask 'hockeyapp-with-appcast' do
-  version '1.0,123'
-  sha256 'a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9'
+cask "hockeyapp-with-appcast" do
+  version "1.0,123"
+  sha256 "a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9"
 
   # rink.hockeyapp.net/api/2/apps/67503a7926431872c4b6c1549f5bd6b1 was verified as official when first introduced to the cask
   url "https://rink.hockeyapp.net/api/2/apps/67503a7926431872c4b6c1549f5bd6b1/app_versions/#{version.after_comma}?format=zip"
-  appcast 'https://rink.hockeyapp.net/api/2/apps/67503a7926431872c4b6c1549f5bd6b1'
-  name 'HockeyApp'
-  homepage 'https://www.brew.sh/'
+  appcast "https://rink.hockeyapp.net/api/2/apps/67503a7926431872c4b6c1549f5bd6b1"
+  name "HockeyApp"
+  homepage "https://www.brew.sh/"
 
-  app 'HockeyApp.app'
+  app "HockeyApp.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/hockeyapp-without-appcast.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/hockeyapp-without-appcast.rb
index 717f6ebf48c253efab74bfda2d6cd71f17e048d1..c4000dac81bd82d5d27ac2f71e559b17c129b9f2 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/hockeyapp-without-appcast.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/hockeyapp-without-appcast.rb
@@ -1,11 +1,11 @@
-cask 'hockeyapp-without-appcast' do
-  version '1.0,123'
-  sha256 'a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9'
+cask "hockeyapp-without-appcast" do
+  version "1.0,123"
+  sha256 "a69e7357bea014f4c14ac9699274f559086844ffa46563c4619bf1addfd72ad9"
 
   # rink.hockeyapp.net/api/2/apps/67503a7926431872c4b6c1549f5bd6b1 was verified as official when first introduced to the cask
   url "https://rink.hockeyapp.net/api/2/apps/67503a7926431872c4b6c1549f5bd6b1/app_versions/#{version.after_comma}?format=zip"
-  name 'HockeyApp'
-  homepage 'https://www.brew.sh/'
+  name "HockeyApp"
+  homepage "https://www.brew.sh/"
 
-  app 'HockeyApp.app'
+  app "HockeyApp.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/installer-with-uninstall.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/installer-with-uninstall.rb
index ce2296af4a42eafebed109841ec03acd61cefbc8..4d1893d44b43602a582c38aa92e972ab35e95a42 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/installer-with-uninstall.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/installer-with-uninstall.rb
@@ -1,11 +1,11 @@
-cask 'installer-with-uninstall' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "installer-with-uninstall" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  installer manual: 'Caffeine.app'
+  installer manual: "Caffeine.app"
 
-  uninstall delete: '/Applications/Caffeine.app'
+  uninstall delete: "/Applications/Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid-sha256.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid-sha256.rb
index 2804da7c39918d8030879fa2e130d94de66b6f36..d2c6809eeccad4a1a99494a7e852ffd696f1381d 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid-sha256.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid-sha256.rb
@@ -1,4 +1,4 @@
-cask 'invalid-sha256' do
-  version '1.2.3'
-  sha256 'not a valid shasum'
+cask "invalid-sha256" do
+  version "1.2.3"
+  sha256 "not a valid shasum"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-appcast-multiple.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-appcast-multiple.rb
index beb52b42f74b8107e7fd333535fc09fe2077daa3..69d7f8f4a55784a04eaa8a5c316ff42c7abfda94 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-appcast-multiple.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-appcast-multiple.rb
@@ -1,11 +1,11 @@
-cask 'invalid-appcast-multiple' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-appcast-multiple" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  appcast 'https://brew.sh/appcast1.xml'
-  appcast 'https://brew.sh/appcast2.xml'
-  homepage 'https://brew.sh/invalid-appcast-multiple'
+  appcast "https://brew.sh/appcast1.xml"
+  appcast "https://brew.sh/appcast2.xml"
+  homepage "https://brew.sh/invalid-appcast-multiple"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-appcast-url.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-appcast-url.rb
index 1aa85a693ebd902e4fcd12c36ca671862914c051..b5fa78e0f03560e7bfb8cf0af7fa0da15b7f7885 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-appcast-url.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-appcast-url.rb
@@ -1,10 +1,10 @@
-cask 'invalid-appcast-url' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-appcast-url" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
   appcast 1
-  homepage 'https://brew.sh/invalid-appcast-url'
+  homepage "https://brew.sh/invalid-appcast-url"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-conflicts-with-key.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-conflicts-with-key.rb
index 03b5e74ce9b8579fc07db2bf90d7b72a1777acaa..9a8974d72561fa20b93ae64dfc92657857c4d6f2 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-conflicts-with-key.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-conflicts-with-key.rb
@@ -1,11 +1,11 @@
-cask 'invalid-conflicts-with-key' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-conflicts-with-key" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/invalid-conflicts-with-key'
+  homepage "https://brew.sh/invalid-conflicts-with-key"
 
-  conflicts_with no_such_key: 'unar'
+  conflicts_with no_such_key: "unar"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-arch-value.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-arch-value.rb
index 4a5e12857b0edb689f197732bab3a8b68eea9e82..dc9bfdc8357e663b751c76ba3d5402abdea5f4db 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-arch-value.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-arch-value.rb
@@ -1,11 +1,11 @@
-cask 'invalid-depends-on-arch-value' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-depends-on-arch-value" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/invalid-depends-on-arch-value'
+  homepage "https://brew.sh/invalid-depends-on-arch-value"
 
   depends_on arch: :no_such_arch
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-key.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-key.rb
index 1b653ed61ee67ecb7d7d623345a72a4c1f63588e..346bed45d87d4ec56d922594d25e623c6ac42f76 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-key.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-key.rb
@@ -1,11 +1,11 @@
-cask 'invalid-depends-on-key' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-depends-on-key" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/invalid-depends-on-key'
+  homepage "https://brew.sh/invalid-depends-on-key"
 
-  depends_on no_such_key: 'unar'
+  depends_on no_such_key: "unar"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-macos-bad-release.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-macos-bad-release.rb
index 4d553bffa39baefd8fc9fa173dce12c9b028c2fc..cc1cb0287003383d808a2a412c1253f4d5263d63 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-macos-bad-release.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-macos-bad-release.rb
@@ -1,11 +1,11 @@
-cask 'invalid-depends-on-macos-bad-release' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-depends-on-macos-bad-release" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/invalid-depends-on-macos-bad-release'
+  homepage "https://brew.sh/invalid-depends-on-macos-bad-release"
 
   depends_on macos: :no_such_release
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-x11-value.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-x11-value.rb
index 5ebc9103571b3d30751697f5a43bbe27c25376ab..780b00135dc90be293067ab0437fd72bae3d1c05 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-x11-value.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-depends-on-x11-value.rb
@@ -1,11 +1,11 @@
-cask 'invalid-depends-on-x11-value' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-depends-on-x11-value" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/invalid-depends-on-x11-value'
+  homepage "https://brew.sh/invalid-depends-on-x11-value"
 
   depends_on x11: :no_such_value
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-generic-artifact-no-target.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-generic-artifact-no-target.rb
index b0dab8a0ecfc21fb576b9d85064ef9ab6117d24a..91c6318f76baf7e985c64bd708dbfcad6f1d39a3 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-generic-artifact-no-target.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-generic-artifact-no-target.rb
@@ -1,9 +1,9 @@
-cask 'invalid-generic-artifact-no-target' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-generic-artifact-no-target" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-generic-artifact'
+  homepage "https://brew.sh/with-generic-artifact"
 
-  artifact 'Caffeine.app'
+  artifact "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-header-format.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-header-format.rb
index 20896b456662879644878fca556d9061939f9600..91f77d9e2bcd6a6569f3e6dcb5db6ee4a93615a5 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-header-format.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-header-format.rb
@@ -1,9 +1,9 @@
-cask 'invalid-header-format', :invalid do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-header-format", :invalid do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-header-token-mismatch.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-header-token-mismatch.rb
index f459c13a26ebba12497eb70d3703def6e8a8e168..9e46d590c0b7c422d626051e350559d6f8b35c47 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-header-token-mismatch.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-header-token-mismatch.rb
@@ -1,9 +1,9 @@
-cask 'invalid-header-token-mismatch-this-text-does-not-belong' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-header-token-mismatch-this-text-does-not-belong" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-header-version.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-header-version.rb
index 36907fb57a96df5ba8a889f4e85414a11376387e..6bcc927db64fedbfd651a6f6755ed0cf85bb3f3c 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-header-version.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-header-version.rb
@@ -1,9 +1,9 @@
-cask 'invalid-header-version' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-header-version" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-manpage-no-section.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-manpage-no-section.rb
index 6dd314875679329be07c8344ca70c50fec284059..32d5ee74d0b985f5dbfbe1c81f54bef8e87c16de 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-manpage-no-section.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-manpage-no-section.rb
@@ -1,9 +1,9 @@
-cask 'invalid-manpage-no-section' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-manpage-no-section" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/AppWithManpage.zip"
-  homepage 'https://brew.sh/with-generic-artifact'
+  homepage "https://brew.sh/with-generic-artifact"
 
-  manpage 'manpage'
+  manpage "manpage"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-stage-only-conflict.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-stage-only-conflict.rb
index eed2dc356df1d0c240724007f8061ced5698f90f..e94969fbe9251d5482f95e12fd9f6cc04918c6a1 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-stage-only-conflict.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-stage-only-conflict.rb
@@ -1,10 +1,10 @@
-cask 'invalid-stage-only-conflict' do
-  version '2.61'
-  sha256 'e44ffa103fbf83f55c8d0b1bea309a43b2880798dae8620b1ee8da5e1095ec68'
+cask "invalid-stage-only-conflict" do
+  version "2.61"
+  sha256 "e44ffa103fbf83f55c8d0b1bea309a43b2880798dae8620b1ee8da5e1095ec68"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/transmission-2.61.dmg"
-  homepage 'https://brew.sh/invalid-stage-only-conflict'
+  homepage "https://brew.sh/invalid-stage-only-conflict"
 
-  app 'Transmission.app'
+  app "Transmission.app"
   stage_only true
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-two-homepage.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-two-homepage.rb
index 670df6aef65c052099edcb71500fe0b881912fa0..b7325149a55ed740bc0366df74686e8d96e16d9b 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-two-homepage.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-two-homepage.rb
@@ -1,10 +1,10 @@
-cask 'invalid-two-homepage' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-two-homepage" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
-  homepage 'https://www.brew.sh/local-caffeine'
+  homepage "https://brew.sh/"
+  homepage "https://www.brew.sh/local-caffeine"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-two-url.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-two-url.rb
index 47e0918d95e60745d3bef7d91ad99e62b1d225be..b8b4e731cce966f3817cfefb82d2988b880a43f7 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-two-url.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-two-url.rb
@@ -1,10 +1,10 @@
-cask 'invalid-two-url' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-two-url" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  url 'https://brew.sh/caffeine.zip'
-  homepage 'https://brew.sh/'
+  url "https://brew.sh/caffeine.zip"
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-two-version.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-two-version.rb
index b806c401f1cf996775e506b0180bbddb770c1f8c..f952d94e60d7a753767a8057b5cddb1d0efd49f3 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-two-version.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/invalid/invalid-two-version.rb
@@ -1,10 +1,10 @@
-cask 'invalid-two-version' do
-  version '1.2.3'
-  version '2.0'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "invalid-two-version" do
+  version "1.2.3"
+  version "2.0"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/latest-with-appcast.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/latest-with-appcast.rb
index df7572e8f865ad3d14879461e7006b30e6e57f99..ad893cf7a6474de7bdd753e46a576cfce3e401d4 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/latest-with-appcast.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/latest-with-appcast.rb
@@ -1,10 +1,10 @@
-cask 'latest-with-appcast' do
+cask "latest-with-appcast" do
   version :latest
   sha256 :no_check
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  appcast 'https://brew.sh/appcast.xml'
-  homepage 'https://brew.sh/with-appcast'
+  appcast "https://brew.sh/appcast.xml"
+  homepage "https://brew.sh/with-appcast"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/latest-with-auto-updates.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/latest-with-auto-updates.rb
index a4fa9c2016eb8d16595ce527c624f17aa3e2eb86..e02a7f5aaad60dc10410ea69de05217677ce956f 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/latest-with-auto-updates.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/latest-with-auto-updates.rb
@@ -1,11 +1,11 @@
-cask 'latest-with-auto-updates' do
+cask "latest-with-auto-updates" do
   version :latest
   sha256 :no_check
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/latest-with-auto-updates'
+  homepage "https://brew.sh/latest-with-auto-updates"
 
   auto_updates true
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/local-caffeine.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/local-caffeine.rb
index 8954b938fc392b0f2066ee1fa124cd88ffc1386d..c467ca45ac46bc573154c95843076e2f44882685 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/local-caffeine.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/local-caffeine.rb
@@ -1,9 +1,9 @@
-cask 'local-caffeine' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "local-caffeine" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/local-transmission.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/local-transmission.rb
index 8ce49a20db2f026f8e6d6f423c2021c5d8cce542..eada3e74c06bca82461ecc661dd6a053d25777d5 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/local-transmission.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/local-transmission.rb
@@ -1,10 +1,10 @@
-cask 'local-transmission' do
-  version '2.61'
-  sha256 'e44ffa103fbf83f55c8d0b1bea309a43b2880798dae8620b1ee8da5e1095ec68'
+cask "local-transmission" do
+  version "2.61"
+  sha256 "e44ffa103fbf83f55c8d0b1bea309a43b2880798dae8620b1ee8da5e1095ec68"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/transmission-2.61.dmg"
-  name 'Transmission'
-  homepage 'https://brew.sh/'
+  name "Transmission"
+  homepage "https://brew.sh/"
 
-  app 'Transmission.app'
+  app "Transmission.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/missing-checksum.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/missing-checksum.rb
index bfa15821a8df323be3696f4fe0e69ce64125d2a3..8bfee251e1ff46537c54413a069a21532c41b55d 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/missing-checksum.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/missing-checksum.rb
@@ -1,8 +1,8 @@
-cask 'missing-checksum' do
-  version '1.2.3'
+cask "missing-checksum" do
+  version "1.2.3"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/missing-homepage.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/missing-homepage.rb
index dce078472053d5d6968ee3a0489490d3bcfd5b0d..6701d8515ae6f5893fdbf43639e35af5de085e19 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/missing-homepage.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/missing-homepage.rb
@@ -1,5 +1,5 @@
-cask 'missing-homepage' do
-  version '1.2.3'
+cask "missing-homepage" do
+  version "1.2.3"
 
-  url 'https://localhost/something.dmg'
+  url "https://localhost/something.dmg"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/missing-name.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/missing-name.rb
index f2946745f3f0384cecdb778c572ccba4b9e1622e..594ea292286f3f9f6e3be140278c457231cbbe18 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/missing-name.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/missing-name.rb
@@ -1,5 +1,5 @@
-cask 'missing-name' do
-  version '1.2.3'
+cask "missing-name" do
+  version "1.2.3"
 
-  url 'https://localhost/something.dmg'
+  url "https://localhost/something.dmg"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/missing-sha256.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/missing-sha256.rb
index 8c7567ba60f7bd0b3f174f0709d0fb0245501643..76948347273991ed6b93a8082dc55723c2f45343 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/missing-sha256.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/missing-sha256.rb
@@ -1,5 +1,5 @@
-cask 'missing-sha256' do
-  version '1.2.3'
+cask "missing-sha256" do
+  version "1.2.3"
 
-  url 'https://localhost/something.dmg'
+  url "https://localhost/something.dmg"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/missing-url.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/missing-url.rb
index 65a44012b03e83eb30590516d13750846e4f8ef2..2febb8a9c1b4dc41585ccfa2b6d9660751868dc4 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/missing-url.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/missing-url.rb
@@ -1,5 +1,5 @@
-cask 'missing-url' do
-  version '1.2.3'
+cask "missing-url" do
+  version "1.2.3"
 
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/missing-version.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/missing-version.rb
index 3ba32d4f7b90903d2256b5de090586f55f802b0a..d87e40df29f4234d7ebbde77a388197bc323f9e4 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/missing-version.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/missing-version.rb
@@ -1,4 +1,4 @@
-cask 'missing-version' do
-  url 'https://brew.sh/TestCask.dmg'
-  homepage 'https://brew.sh/'
+cask "missing-version" do
+  url "https://brew.sh/TestCask.dmg"
+  homepage "https://brew.sh/"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/naked-executable.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/naked-executable.rb
index 7b5be8080b6dba363e9591fc5034a8df14b61bcd..bb27d403d6e79e813ef782f04a30e8548d226df4 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/naked-executable.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/naked-executable.rb
@@ -1,9 +1,9 @@
-cask 'naked-executable' do
-  version '1.2.3'
-  sha256 '306c6ca7407560340797866e077e053627ad409277d1b9da58106fce4cf717cb'
+cask "naked-executable" do
+  version "1.2.3"
+  sha256 "306c6ca7407560340797866e077e053627ad409277d1b9da58106fce4cf717cb"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/naked_executable"
-  homepage 'https://brew.sh/naked-executable'
+  homepage "https://brew.sh/naked-executable"
 
   container type: :naked
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/nested-app.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/nested-app.rb
index 5b96c367b6857533cfd7f74843456c49c46cedb1..95915be6c0d1652811694da79488c109c6b7f6a8 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/nested-app.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/nested-app.rb
@@ -1,11 +1,11 @@
-cask 'nested-app' do
-  version '1.2.3'
-  sha256 '1866dfa833b123bb8fe7fa7185ebf24d28d300d0643d75798bc23730af734216'
+cask "nested-app" do
+  version "1.2.3"
+  sha256 "1866dfa833b123bb8fe7fa7185ebf24d28d300d0643d75798bc23730af734216"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/NestedApp.dmg.zip"
-  homepage 'https://brew.sh/nested-app'
+  homepage "https://brew.sh/nested-app"
 
-  container nested: 'NestedApp.dmg'
+  container nested: "NestedApp.dmg"
 
-  app 'MyNestedApp.app'
+  app "MyNestedApp.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/no-checksum.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/no-checksum.rb
index d563137b54cc449ede1f96868731ad1fe60d8cff..151e9e04f5148e484fb6adec72f4abfb86c6da22 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/no-checksum.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/no-checksum.rb
@@ -1,9 +1,9 @@
-cask 'no-checksum' do
-  version '1.2.3'
+cask "no-checksum" do
+  version "1.2.3"
   sha256 :no_check
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/no-dsl-version.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/no-dsl-version.rb
index 4b9a721b937081509d50d8d379cc9fba9bc9dfe9..26a5e2f66ee0fa24e4de66abfb2b3235ffb0fcff 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/no-dsl-version.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/no-dsl-version.rb
@@ -1,9 +1,9 @@
-cask 'no-dsl-version' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "no-dsl-version" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
-  url 'https://brew.sh/TestCask.dmg'
-  homepage 'https://brew.sh/'
+  url "https://brew.sh/TestCask.dmg"
+  homepage "https://brew.sh/"
 
-  app 'TestCask.app'
+  app "TestCask.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/osdn-correct-url-format.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/osdn-correct-url-format.rb
index 2a16272bd6297b982b5811a7a9d2b7d036ce53db..c80bdacf6d3ebfde79d7cf641df542134a736d39 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/osdn-correct-url-format.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/osdn-correct-url-format.rb
@@ -1,6 +1,6 @@
-cask 'osdn-correct-url-format' do
-  version '1.2.3'
+cask "osdn-correct-url-format" do
+  version "1.2.3"
 
-  url 'https://user.dl.osdn.jp/something/id/Something-1.2.3.dmg'
-  homepage 'https://osdn.jp/projects/something/'
+  url "https://user.dl.osdn.jp/something/id/Something-1.2.3.dmg"
+  homepage "https://osdn.jp/projects/something/"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/osdn-incorrect-url-format.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/osdn-incorrect-url-format.rb
index ec5ae464b1e7b2b697283023b47fbb028bf8e512..10a36d10cc58d81b00f4fd99df7bcb163bcb3770 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/osdn-incorrect-url-format.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/osdn-incorrect-url-format.rb
@@ -1,6 +1,6 @@
-cask 'osdn-incorrect-url-format' do
-  version '1.2.3'
+cask "osdn-incorrect-url-format" do
+  version "1.2.3"
 
-  url 'https://osdn.jp/projects/something/files/Something-1.2.3.dmg/download'
-  homepage 'https://osdn.jp/projects/something/'
+  url "https://osdn.jp/projects/something/files/Something-1.2.3.dmg/download"
+  homepage "https://osdn.jp/projects/something/"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/auto-updates.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/auto-updates.rb
index b78323b07588dd311f2569cf8c514c5d66f7b2f6..c2863c3e4fb0a64b7ead5ded78493081123669ed 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/auto-updates.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/auto-updates.rb
@@ -1,11 +1,11 @@
-cask 'auto-updates' do
-  version '2.57'
-  sha256 '5633c3a0f2e572cbf021507dec78c50998b398c343232bdfc7e26221d0a5db4d'
+cask "auto-updates" do
+  version "2.57"
+  sha256 "5633c3a0f2e572cbf021507dec78c50998b398c343232bdfc7e26221d0a5db4d"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyApp.zip"
-  homepage 'https://brew.sh/MyFancyApp'
+  homepage "https://brew.sh/MyFancyApp"
 
   auto_updates true
 
-  app 'MyFancyApp/MyFancyApp.app'
+  app "MyFancyApp/MyFancyApp.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/bad-checksum.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/bad-checksum.rb
index 8b223262caf864d8ba82410f54498055097455ad..40b91ce4229bcadbdea29ddcc2cda11973d31a29 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/bad-checksum.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/bad-checksum.rb
@@ -1,9 +1,9 @@
-cask 'bad-checksum' do
-  version '1.2.2'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "bad-checksum" do
+  version "1.2.2"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/bad-checksum2.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/bad-checksum2.rb
index efeb1e32adc0dacec01c5629fe99fa757e66ef1d..6bbdb259a431ee65873ee607e39617180aa1e9e0 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/bad-checksum2.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/bad-checksum2.rb
@@ -1,9 +1,9 @@
-cask 'bad-checksum2' do
-  version '1.2.2'
-  sha256 'fab685fabf73d5a9382581ce8698fce9408f5feaa49fa10d9bc6c510493300f5'
+cask "bad-checksum2" do
+  version "1.2.2"
+  sha256 "fab685fabf73d5a9382581ce8698fce9408f5feaa49fa10d9bc6c510493300f5"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/container.tar.gz"
-  homepage 'https://brew.sh/container-tar-gz'
+  homepage "https://brew.sh/container-tar-gz"
 
-  app 'container'
+  app "container"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/local-caffeine.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/local-caffeine.rb
index 97a7372597d1c75fcbd33e2f41b1cf4469c2054d..e6801eb98404eca56e0171ca609e9c64444eaf7c 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/local-caffeine.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/local-caffeine.rb
@@ -1,9 +1,9 @@
-cask 'local-caffeine' do
-  version '1.2.2'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "local-caffeine" do
+  version "1.2.2"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/local-transmission.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/local-transmission.rb
index a3f5377ee97ebb8d2c8c8a85bca3c3a6d1ec213a..aeb994147981b67a2132d9629d86a3a6732f88e8 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/local-transmission.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/local-transmission.rb
@@ -1,9 +1,9 @@
-cask 'local-transmission' do
-  version '2.60'
-  sha256 'e44ffa103fbf83f55c8d0b1bea309a43b2880798dae8620b1ee8da5e1095ec68'
+cask "local-transmission" do
+  version "2.60"
+  sha256 "e44ffa103fbf83f55c8d0b1bea309a43b2880798dae8620b1ee8da5e1095ec68"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/transmission-2.61.dmg"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Transmission.app'
+  app "Transmission.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/version-latest.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/version-latest.rb
index 72664ce45606ea6408bd70fe624d02c515a25f25..c4389c42530a2a79cf48053043ca641c1d4aead1 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/version-latest.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/version-latest.rb
@@ -1,10 +1,10 @@
-cask 'version-latest' do
+cask "version-latest" do
   version :latest
   sha256 :no_check
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeines.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine Mini.app'
-  app 'Caffeine Pro.app'
+  app "Caffeine Mini.app"
+  app "Caffeine Pro.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/will-fail-if-upgraded.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/will-fail-if-upgraded.rb
index f617c33f3d62a9b3086996ff532b388d2848c563..6cb17a6cfccd3019aded75156c1d796bc9d1628f 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/will-fail-if-upgraded.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/outdated/will-fail-if-upgraded.rb
@@ -1,9 +1,9 @@
-cask 'will-fail-if-upgraded' do
-  version '1.2.2'
-  sha256 'fab685fabf73d5a9382581ce8698fce9408f5feaa49fa10d9bc6c510493300f5'
+cask "will-fail-if-upgraded" do
+  version "1.2.2"
+  sha256 "fab685fabf73d5a9382581ce8698fce9408f5feaa49fa10d9bc6c510493300f5"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/container.tar.gz"
-  homepage 'https://brew.sh/container-tar-gz'
+  homepage "https://brew.sh/container-tar-gz"
 
-  app 'container'
+  app "container"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/pkg-without-uninstall.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/pkg-without-uninstall.rb
index 8c9fc688790f3ea69e2527c7292b9b992c44334e..a51c8ec886ea0062bd0dcf6cdb8dcc750a9b438c 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/pkg-without-uninstall.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/pkg-without-uninstall.rb
@@ -1,9 +1,9 @@
-cask 'pkg-without-uninstall' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "pkg-without-uninstall" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'Fancy.pkg'
+  pkg "Fancy.pkg"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/sha256-for-empty-string.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/sha256-for-empty-string.rb
index 0bf3ee9b5aa3226356c04d48c1ae8187717aff88..a3daf6eb9bd8bc2a32645771f725bf5c6821cf7a 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/sha256-for-empty-string.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/sha256-for-empty-string.rb
@@ -1,4 +1,4 @@
-cask 'sha256-for-empty-string' do
-  version '1.2.3'
-  sha256 'e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855'
+cask "sha256-for-empty-string" do
+  version "1.2.3"
+  sha256 "e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-correct-url-format.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-correct-url-format.rb
index 439eb8998d867423a3691e89736b4b3251f95047..8546dfb7514ae0a5b0611f3a0ec4d71fca6e964a 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-correct-url-format.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-correct-url-format.rb
@@ -1,6 +1,6 @@
-cask 'sourceforge-correct-url-format' do
-  version '1.2.3'
+cask "sourceforge-correct-url-format" do
+  version "1.2.3"
 
-  url 'https://downloads.sourceforge.net/something/Something-1.2.3.dmg'
-  homepage 'https://sourceforge.net/projects/something/'
+  url "https://downloads.sourceforge.net/something/Something-1.2.3.dmg"
+  homepage "https://sourceforge.net/projects/something/"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-incorrect-url-format.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-incorrect-url-format.rb
index e70c41ea7c6df93d2c4184c77332b9e3da4eef9a..365db0fe83a903f637c394cdc27938de539c6a15 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-incorrect-url-format.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-incorrect-url-format.rb
@@ -1,6 +1,6 @@
-cask 'sourceforge-incorrect-url-format' do
-  version '1.2.3'
+cask "sourceforge-incorrect-url-format" do
+  version "1.2.3"
 
-  url 'https://sourceforge.net/projects/something/files/Something-1.2.3.dmg/download'
-  homepage 'https://sourceforge.net/projects/something/'
+  url "https://sourceforge.net/projects/something/files/Something-1.2.3.dmg/download"
+  homepage "https://sourceforge.net/projects/something/"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-version-latest-correct-url-format.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-version-latest-correct-url-format.rb
index 07b068f707f8d39398d7d0914a955bf90eac189e..49801ce2a0e82e2ac1ee55c82bd37c297e670235 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-version-latest-correct-url-format.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-version-latest-correct-url-format.rb
@@ -1,6 +1,6 @@
-cask 'sourceforge-version-latest-correct-url-format' do
+cask "sourceforge-version-latest-correct-url-format" do
   version :latest
 
-  url 'https://sourceforge.net/projects/something/files/latest/download'
-  homepage 'https://sourceforge.net/projects/something/'
+  url "https://sourceforge.net/projects/something/files/latest/download"
+  homepage "https://sourceforge.net/projects/something/"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-with-appcast.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-with-appcast.rb
index 2e3b221614143bf234a00ff2230d98a87f48766f..ad813becfa6577aa56ab03eff467fcfba0673554 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-with-appcast.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/sourceforge-with-appcast.rb
@@ -1,7 +1,7 @@
-cask 'sourceforge-with-appcast' do
-  version '1.2.3'
+cask "sourceforge-with-appcast" do
+  version "1.2.3"
 
-  url 'https://downloads.sourceforge.net/something/Something-1.2.3.dmg'
-  appcast 'https://sourceforge.net/projects/something/rss'
-  homepage 'https://sourceforge.net/projects/something/'
+  url "https://downloads.sourceforge.net/something/Something-1.2.3.dmg"
+  appcast "https://sourceforge.net/projects/something/rss"
+  homepage "https://sourceforge.net/projects/something/"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/stage-only.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/stage-only.rb
index 27eb3a40955064ac84d9b8eae718b0e871841737..5c29e7a75edd5c01da13ddc2882247431d9816ad 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/stage-only.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/stage-only.rb
@@ -1,9 +1,9 @@
-cask 'stage-only' do
-  version '2.61'
-  sha256 'e44ffa103fbf83f55c8d0b1bea309a43b2880798dae8620b1ee8da5e1095ec68'
+cask "stage-only" do
+  version "2.61"
+  sha256 "e44ffa103fbf83f55c8d0b1bea309a43b2880798dae8620b1ee8da5e1095ec68"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/transmission-2.61.dmg"
-  homepage 'https://brew.sh/stage-only'
+  homepage "https://brew.sh/stage-only"
 
   stage_only true
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/test-opera-mail.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/test-opera-mail.rb
index aea8e71280f1409c932b39d124c237b81c3bc1e6..6c005620e0c46148c83d3a1fa1eaad89df9c8415 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/test-opera-mail.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/test-opera-mail.rb
@@ -1,9 +1,9 @@
-cask 'test-opera-mail' do
-  version '1.0'
-  sha256 'afd192e308f8ea8ddb3d426fd6663d97078570417ee78b8e1fa15f515ae3d677'
+cask "test-opera-mail" do
+  version "1.0"
+  sha256 "afd192e308f8ea8ddb3d426fd6663d97078570417ee78b8e1fa15f515ae3d677"
 
-  url 'https://get-ash-1.opera.com/pub/opera/mail/1.0/mac/Opera-Mail-1.0-1040.i386.dmg'
-  homepage 'https://www.opera.com/computer/mail'
+  url "https://get-ash-1.opera.com/pub/opera/mail/1.0/mac/Opera-Mail-1.0-1040.i386.dmg"
+  homepage "https://www.opera.com/computer/mail"
 
-  app 'Opera Mail.app'
+  app "Opera Mail.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/test-opera.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/test-opera.rb
index 8d34cb8b7ad29cff834b69ab2c6e758624c3a0f4..4c3888c6d290ecc9306438d332ca597f56b5a8f5 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/test-opera.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/test-opera.rb
@@ -1,9 +1,9 @@
-cask 'test-opera' do
-  version '19.0.1326.47'
-  sha256 '7b91f20ab754f7b3fef8dc346e0393917e11676b74c8f577408841619f76040a'
+cask "test-opera" do
+  version "19.0.1326.47"
+  sha256 "7b91f20ab754f7b3fef8dc346e0393917e11676b74c8f577408841619f76040a"
 
-  url 'https://get.geo.opera.com/pub/opera/desktop/19.0.1326.47/mac/Opera_19.0.1326.47_Setup.dmg'
-  homepage 'https://www.opera.com/'
+  url "https://get.geo.opera.com/pub/opera/desktop/19.0.1326.47/mac/Opera_19.0.1326.47_Setup.dmg"
+  homepage "https://www.opera.com/"
 
-  app 'Opera.app'
+  app "Opera.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/version-latest-string.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/version-latest-string.rb
index 6bd090c28147e6520a29e1275c5aaaeb68e818bc..1b2d6c401d13e788cf8b705af3761c1b9eb170b7 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/version-latest-string.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/version-latest-string.rb
@@ -1,4 +1,4 @@
-cask 'version-latest-string' do
-  version 'latest'
+cask "version-latest-string" do
+  version "latest"
   sha256 :no_check
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/version-latest-with-checksum.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/version-latest-with-checksum.rb
index 040cfc76e64ab995f85a2899f18c23dadb7cc581..4d2f35957fcc309eb739094ef208689ee55b4af3 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/version-latest-with-checksum.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/version-latest-with-checksum.rb
@@ -1,4 +1,4 @@
-cask 'version-latest-with-checksum' do
+cask "version-latest-with-checksum" do
   version :latest
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/version-latest.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/version-latest.rb
index 72664ce45606ea6408bd70fe624d02c515a25f25..c4389c42530a2a79cf48053043ca641c1d4aead1 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/version-latest.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/version-latest.rb
@@ -1,10 +1,10 @@
-cask 'version-latest' do
+cask "version-latest" do
   version :latest
   sha256 :no_check
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeines.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine Mini.app'
-  app 'Caffeine Pro.app'
+  app "Caffeine Mini.app"
+  app "Caffeine Pro.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/will-fail-if-upgraded.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/will-fail-if-upgraded.rb
index 06f4049c37a653a6aafc402157d8873107bced1b..0ad4b91a8f415f7239d8864b51e28626695d85c8 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/will-fail-if-upgraded.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/will-fail-if-upgraded.rb
@@ -1,9 +1,9 @@
-cask 'will-fail-if-upgraded' do
-  version '1.2.3'
-  sha256 'e44ffa103fbf83f55c8d0b1bea309a43b2880798dae8620b1ee8da5e1095ec68'
+cask "will-fail-if-upgraded" do
+  version "1.2.3"
+  sha256 "e44ffa103fbf83f55c8d0b1bea309a43b2880798dae8620b1ee8da5e1095ec68"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/transmission-2.61.dmg"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'container'
+  app "container"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-allow-untrusted.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-allow-untrusted.rb
index cf4d08fb8ce801851f00e38c449a62eaee36f880..1d688a170c092276349e2f8dfa86322bc7f54db9 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-allow-untrusted.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-allow-untrusted.rb
@@ -1,11 +1,11 @@
-cask 'with-allow-untrusted' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-allow-untrusted" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'Fancy.pkg', allow_untrusted: true
+  pkg "Fancy.pkg", allow_untrusted: true
 
-  uninstall pkgutil: 'my.fancy.package.*'
+  uninstall pkgutil: "my.fancy.package.*"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-alt-target.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-alt-target.rb
index 099cb28fe782230103f06b2dc2921b67805f8e09..15af2b4c83b8bc06ee1543315f9a6708e416286a 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-alt-target.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-alt-target.rb
@@ -1,9 +1,9 @@
-cask 'with-alt-target' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-alt-target" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app', target: 'AnotherName.app'
+  app "Caffeine.app", target: "AnotherName.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-appcast.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-appcast.rb
index b99bd531263dbddbf9c5cbcdf761bb80503b009c..c26b429354174b64e85d0ba47e9b6f3f827887d1 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-appcast.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-appcast.rb
@@ -1,10 +1,10 @@
-cask 'with-appcast' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-appcast" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  appcast 'https://brew.sh/appcast.xml'
-  homepage 'https://brew.sh/with-appcast'
+  appcast "https://brew.sh/appcast.xml"
+  homepage "https://brew.sh/with-appcast"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-auto-updates.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-auto-updates.rb
index 60b16314ba59aaedb3b721f208b5407bd2c055a7..308751bf6b8c0353dd854abcd8d61a9c7176761a 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-auto-updates.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-auto-updates.rb
@@ -1,12 +1,12 @@
-cask 'with-auto-updates' do
-  version '1.0'
-  sha256 'e5be907a51cd0d5b128532284afe1c913608c584936a5e55d94c75a9f48c4322'
+cask "with-auto-updates" do
+  version "1.0"
+  sha256 "e5be907a51cd0d5b128532284afe1c913608c584936a5e55d94c75a9f48c4322"
 
   url "https://brew.sh/autoupdates_#{version}.zip"
-  name 'AutoUpdates'
-  homepage 'https://brew.sh/autoupdates'
+  name "AutoUpdates"
+  homepage "https://brew.sh/autoupdates"
 
   auto_updates true
 
-  app 'AutoUpdates.app'
+  app "AutoUpdates.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-autodetected-manpage-section.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-autodetected-manpage-section.rb
index a92b9be23389a7beae6780e7e8773870f651e817..b330074da7367d0d496ad44e031f7883edcab037 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-autodetected-manpage-section.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-autodetected-manpage-section.rb
@@ -1,9 +1,9 @@
-cask 'with-autodetected-manpage-section' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-autodetected-manpage-section" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/AppWithManpage.zip"
-  homepage 'https://brew.sh/with-autodetected-manpage-section'
+  homepage "https://brew.sh/with-autodetected-manpage-section"
 
-  manpage 'manpage.1'
+  manpage "manpage.1"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-binary.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-binary.rb
index daf42f6b057dbff0aeb87f382cf6e10246a9b2cf..6915314edd25ff03934dbb8dcf5d7de66c48086c 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-binary.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-binary.rb
@@ -1,10 +1,10 @@
-cask 'with-binary' do
-  version '1.2.3'
-  sha256 'd5b2dfbef7ea28c25f7a77cd7fa14d013d82b626db1d82e00e25822464ba19e2'
+cask "with-binary" do
+  version "1.2.3"
+  sha256 "d5b2dfbef7ea28c25f7a77cd7fa14d013d82b626db1d82e00e25822464ba19e2"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/AppWithBinary.zip"
-  homepage 'https://brew.sh/with-binary'
+  homepage "https://brew.sh/with-binary"
 
-  app 'App.app'
-  binary 'binary'
+  app "App.app"
+  binary "binary"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-caveats.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-caveats.rb
index ca516484bcd34e524bd5dd26b434867e7d247258..9df2be5119bb27607ccacc53bbb5452b22351f17 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-caveats.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-caveats.rb
@@ -1,11 +1,11 @@
-cask 'with-caveats' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-caveats" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 
   # simple string is evaluated at compile-time
   caveats <<~EOS
@@ -17,7 +17,7 @@ cask 'with-caveats' do
   end
   # a do block may print and use a DSL
   caveats do
-    puts 'Custom text via puts followed by DSL-generated text:'
-    path_environment_variable('/custom/path/bin')
+    puts "Custom text via puts followed by DSL-generated text:"
+    path_environment_variable("/custom/path/bin")
   end
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-choices.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-choices.rb
index 1cd69050f95454aabfb3c77d7829d060ca5c9749..15832738e1411a49a8523a65ad7a17d51f7e35f7 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-choices.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-choices.rb
@@ -1,16 +1,16 @@
-cask 'with-choices' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-choices" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg',
+  pkg "MyFancyPkg/Fancy.pkg",
       choices: [
-                 {
-                   'choiceIdentifier' => 'choice1',
-                   'choiceAttribute'  => 'selected',
-                   'attributeSetting' => 1,
-                 },
-               ]
+        {
+          "choiceIdentifier" => "choice1",
+          "choiceAttribute"  => "selected",
+          "attributeSetting" => 1,
+        },
+      ]
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-conditional-caveats.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-conditional-caveats.rb
index 441b93e5a173f9bffad2051f265a37e41ba1bec5..265bd7757d7e444e4b43dec9e286b71b37e2808e 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-conditional-caveats.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-conditional-caveats.rb
@@ -1,14 +1,14 @@
-cask 'with-conditional-caveats' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-conditional-caveats" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 
   # a do block may print and use a DSL
   caveats do
-    puts 'This caveat is conditional' if false # rubocop:disable Lint/LiteralAsCondition
+    puts "This caveat is conditional" if false # rubocop:disable Lint/LiteralAsCondition
   end
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-conflicts-with.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-conflicts-with.rb
index 7b09976da1ae9c881b30bbabc6c5bffe383f8eab..9986a5d039bf12315a5409c3a8d73e2e97e05c0a 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-conflicts-with.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-conflicts-with.rb
@@ -1,11 +1,11 @@
-cask 'with-conflicts-with' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-conflicts-with" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-conflicts-with'
+  homepage "https://brew.sh/with-conflicts-with"
 
-  conflicts_with cask: 'local-caffeine'
+  conflicts_with cask: "local-caffeine"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-arch.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-arch.rb
index 1770d526e1da2f7cc2d30511b60bfcaf7322755b..13fa517d6c002b52a5f19f5dcb6de6c4429c241e 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-arch.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-arch.rb
@@ -1,12 +1,12 @@
-cask 'with-depends-on-arch' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-depends-on-arch" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-depends-on-arch'
+  homepage "https://brew.sh/with-depends-on-arch"
 
   # covers all known hardware; always succeeds
   depends_on arch: :intel
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask-cyclic-helper.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask-cyclic-helper.rb
index ce3f00615b9e74fa0432293f6155af7e9348ca4c..8e7986fa76d74b5b5b4be6d9d3ccfe72668dfa6c 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask-cyclic-helper.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask-cyclic-helper.rb
@@ -1,11 +1,11 @@
-cask 'with-depends-on-cask-cyclic-helper' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-depends-on-cask-cyclic-helper" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-depends-on-cask-cyclic-helper'
+  homepage "https://brew.sh/with-depends-on-cask-cyclic-helper"
 
-  depends_on cask: 'with-depends-on-cask-cyclic'
+  depends_on cask: "with-depends-on-cask-cyclic"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask-cyclic.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask-cyclic.rb
index 824e2fa5feaa850b7f79854f37cc1567078d1d7c..e1c324567c031ed22417bd84b7c3c9fbe8c4bc57 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask-cyclic.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask-cyclic.rb
@@ -1,12 +1,12 @@
-cask 'with-depends-on-cask-cyclic' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-depends-on-cask-cyclic" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-depends-on-cask-cyclic'
+  homepage "https://brew.sh/with-depends-on-cask-cyclic"
 
-  depends_on cask: 'local-caffeine'
-  depends_on cask: 'with-depends-on-cask-cyclic-helper'
+  depends_on cask: "local-caffeine"
+  depends_on cask: "with-depends-on-cask-cyclic-helper"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask-multiple.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask-multiple.rb
index de3f3391b108dcf34a32e8af1bcf3d6847c11167..e67ecb5cb6c46a3e84873ab34f51f3c658bb9c30 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask-multiple.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask-multiple.rb
@@ -1,12 +1,12 @@
-cask 'with-depends-on-cask-multiple' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-depends-on-cask-multiple" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-depends-on-cask-multiple'
+  homepage "https://brew.sh/with-depends-on-cask-multiple"
 
-  depends_on cask: 'local-caffeine'
-  depends_on cask: 'local-transmission'
+  depends_on cask: "local-caffeine"
+  depends_on cask: "local-transmission"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask.rb
index 2bc398934091a05a20d41423ae88c496edcf86df..a7af1f420310fec5535b55e0fea93f6e810006ae 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-cask.rb
@@ -1,11 +1,11 @@
-cask 'with-depends-on-cask' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-depends-on-cask" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-depends-on-cask'
+  homepage "https://brew.sh/with-depends-on-cask"
 
-  depends_on cask: 'local-transmission'
+  depends_on cask: "local-transmission"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-formula-multiple.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-formula-multiple.rb
index 8ef79374be9b3d045fdba5f4a4908cf3245e9b01..c3ce42aa7cbc4d40cb3e01798a05d7e837dbcf7d 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-formula-multiple.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-formula-multiple.rb
@@ -1,12 +1,12 @@
-cask 'with-depends-on-formula-multiple' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-depends-on-formula-multiple" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-depends-on-formula-multiple'
+  homepage "https://brew.sh/with-depends-on-formula-multiple"
 
-  depends_on formula: 'unar'
-  depends_on formula: 'fileutils'
+  depends_on formula: "unar"
+  depends_on formula: "fileutils"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-formula.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-formula.rb
index 41f2df5a4705428356bc06696084ba7c5bf97a3e..3d3be94474bf35f2c6c643035eada0ec7e8a0f9a 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-formula.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-formula.rb
@@ -1,11 +1,11 @@
-cask 'with-depends-on-formula' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-depends-on-formula" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-depends-on-formula'
+  homepage "https://brew.sh/with-depends-on-formula"
 
-  depends_on formula: 'unar'
+  depends_on formula: "unar"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-macos-failure.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-macos-failure.rb
index 195edfae4ce13990aedc84da2ae9c4594df67b57..652ac08b8efb1371467d8130be064ed5c09499a0 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-macos-failure.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-macos-failure.rb
@@ -1,12 +1,12 @@
-cask 'with-depends-on-macos-failure' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-depends-on-macos-failure" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-depends-on-macos-failure'
+  homepage "https://brew.sh/with-depends-on-macos-failure"
 
   # guarantee a mismatched release
   depends_on macos: MacOS.version == :catalina ? :mojave : :catalina
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-macos-symbol.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-macos-symbol.rb
index cc0be4dc410c89daadea0f8524d6e6db0c2a1b25..048419cd9eb95bc3b8a330cd7e408aaaab92e8be 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-macos-symbol.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-macos-symbol.rb
@@ -1,11 +1,11 @@
-cask 'with-depends-on-macos-symbol' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-depends-on-macos-symbol" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-depends-on-macos-symbol'
+  homepage "https://brew.sh/with-depends-on-macos-symbol"
 
   depends_on macos: MacOS.version.to_sym
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-x11-false.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-x11-false.rb
index 0ac78dea2ec8735b47511e66c7c761eae63b912c..fed80ab8a10ac17b330774db9f7d53de68385850 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-x11-false.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-x11-false.rb
@@ -1,11 +1,11 @@
-cask 'with-depends-on-x11-false' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-depends-on-x11-false" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-depends-on-x11-false'
+  homepage "https://brew.sh/with-depends-on-x11-false"
 
   depends_on x11: false
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-x11.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-x11.rb
index 50e17d10d75a8b471c020f42fe7a973ed6f53ef9..3df71437eef58d175fbef39c3a3464486184239e 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-x11.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-depends-on-x11.rb
@@ -1,11 +1,11 @@
-cask 'with-depends-on-x11' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-depends-on-x11" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-depends-on-x11'
+  homepage "https://brew.sh/with-depends-on-x11"
 
   depends_on x11: true
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-embedded-binary.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-embedded-binary.rb
index 0421291abacb4c2a94f0d46601c268c0fa1d6760..69a1ac2d1ae8da255c79ad85a17b9911451baa21 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-embedded-binary.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-embedded-binary.rb
@@ -1,10 +1,10 @@
-cask 'with-embedded-binary' do
-  version '1.2.3'
-  sha256 'fe052d3e77d92676775fd916ddb8942e72a565b844ea7f6d055474c99bb4e47b'
+cask "with-embedded-binary" do
+  version "1.2.3"
+  sha256 "fe052d3e77d92676775fd916ddb8942e72a565b844ea7f6d055474c99bb4e47b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/AppWithEmbeddedBinary.zip"
-  homepage 'https://brew.sh/with-binary'
+  homepage "https://brew.sh/with-binary"
 
-  app 'App.app'
+  app "App.app"
   binary "#{appdir}/App.app/Contents/MacOS/App/binary"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-generic-artifact.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-generic-artifact.rb
index 379dcc76767eb7196a0682c82eb7f34fded3c3e5..d4840107c0959cef2ab5318b67cc73d195182cfe 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-generic-artifact.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-generic-artifact.rb
@@ -1,9 +1,9 @@
-cask 'with-generic-artifact' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-generic-artifact" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-generic-artifact'
+  homepage "https://brew.sh/with-generic-artifact"
 
-  artifact 'Caffeine.app', target: "#{appdir}/Caffeine.app"
+  artifact "Caffeine.app", target: "#{appdir}/Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-installable.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-installable.rb
index ec0e22e6c0ff56cde02fdafa054a536548a7e9c8..fe7cd8300887f1e3401c4ee7c908516a6d66b4d4 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-installable.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-installable.rb
@@ -1,21 +1,21 @@
-cask 'with-installable' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-installable" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
-  uninstall script:     { executable: 'MyFancyPkg/FancyUninstaller.tool', args: ['--please'] },
-            quit:       'my.fancy.package.app',
-            login_item: 'Fancy',
+  uninstall script:     { executable: "MyFancyPkg/FancyUninstaller.tool", args: ["--please"] },
+            quit:       "my.fancy.package.app",
+            login_item: "Fancy",
             delete:     [
-                          "#{TEST_TMPDIR}/absolute_path",
-                          '~/path_with_tilde',
-                          "#{TEST_TMPDIR}/glob_path*",
-                          'impermissible/relative/path',
-                          '/another/impermissible/../relative/path',
-                        ],
+              "#{TEST_TMPDIR}/absolute_path",
+              "~/path_with_tilde",
+              "#{TEST_TMPDIR}/glob_path*",
+              "impermissible/relative/path",
+              "/another/impermissible/../relative/path",
+            ],
             rmdir:      "#{TEST_TMPDIR}/empty_directory_path"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-installer-manual.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-installer-manual.rb
index bda4edd871438a1bfe34ad8a35aa16944ae594c3..7f7e9192ea18c561929cbb966efb77fd5857e848 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-installer-manual.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-installer-manual.rb
@@ -1,9 +1,9 @@
-cask 'with-installer-manual' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-installer-manual" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  installer manual: 'Caffeine.app'
+  installer manual: "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-installer-script.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-installer-script.rb
index 0e6bf65121c01b388a57ef705749f0e994a6ef8f..42b933787b75d0f6294a3513f739f625f05d17b5 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-installer-script.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-installer-script.rb
@@ -1,15 +1,15 @@
-cask 'with-installer-script' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "with-installer-script" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/with-install-script'
+  homepage "https://brew.sh/with-install-script"
 
-  installer script: '/usr/bin/true',
-            args:   ['--flag']
+  installer script: "/usr/bin/true",
+            args:   ["--flag"]
   # acceptable alternate form
   installer script: {
-                      executable: '/usr/bin/false',
-                      args:       ['--flag'],
-                    }
+    executable: "/usr/bin/false",
+    args:       ["--flag"],
+  }
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-languages.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-languages.rb
index b8b57727be36b7597e6223eef63e347fb6ba2055..2bbafea7a1c78515ca85eaafd91829f5f359c012 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-languages.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-languages.rb
@@ -1,18 +1,18 @@
-cask 'with-languages' do
-  version '1.2.3'
+cask "with-languages" do
+  version "1.2.3"
 
-  language 'zh' do
-    sha256 'abc123'
-    'zh-CN'
+  language "zh" do
+    sha256 "abc123"
+    "zh-CN"
   end
 
-  language 'en-US', default: true do
-    sha256 'xyz789'
-    'en-US'
+  language "en-US", default: true do
+    sha256 "xyz789"
+    "en-US"
   end
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-macosx-dir.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-macosx-dir.rb
index b0f29815dd1c3175ce9c4d97062882e620797896..b02e74e98dd5931d4a46b41755a4f90520cce3d4 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-macosx-dir.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-macosx-dir.rb
@@ -1,9 +1,9 @@
-cask 'with-macosx-dir' do
-  version '1.2.3'
-  sha256 '5633c3a0f2e572cbf021507dec78c50998b398c343232bdfc7e26221d0a5db4d'
+cask "with-macosx-dir" do
+  version "1.2.3"
+  sha256 "5633c3a0f2e572cbf021507dec78c50998b398c343232bdfc7e26221d0a5db4d"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyApp.zip"
-  homepage 'https://brew.sh/MyFancyApp'
+  homepage "https://brew.sh/MyFancyApp"
 
-  app 'MyFancyApp/MyFancyApp.app'
+  app "MyFancyApp/MyFancyApp.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-non-executable-binary.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-non-executable-binary.rb
index 7893acfe74fd3711a3f91f4637b658c02be22c80..0ed70fff2786f99378835585d4c349a9c83a9b52 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-non-executable-binary.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-non-executable-binary.rb
@@ -1,9 +1,9 @@
-cask 'with-non-executable-binary' do
-  version '1.2.3'
-  sha256 'd5b2dfbef7ea28c25f7a77cd7fa14d013d82b626db1d82e00e25822464ba19e2'
+cask "with-non-executable-binary" do
+  version "1.2.3"
+  sha256 "d5b2dfbef7ea28c25f7a77cd7fa14d013d82b626db1d82e00e25822464ba19e2"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/naked_non_executable"
-  homepage 'https://brew.sh/with-binary'
+  homepage "https://brew.sh/with-binary"
 
-  binary 'naked_non_executable'
+  binary "naked_non_executable"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-pkgutil-zap.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-pkgutil-zap.rb
index d7ce43aae4f4e28ea4137e97260eeebd4fe9f4cb..b19a54de0425be75d572a9829bb0f68a85d8a3f8 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-pkgutil-zap.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-pkgutil-zap.rb
@@ -1,13 +1,13 @@
-cask 'with-pkgutil-zap' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-pkgutil-zap" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'Fancy.pkg'
+  pkg "Fancy.pkg"
 
-  zap pkgutil:   'my.fancy.package.*',
-      kext:      'my.fancy.package.kernelextension',
-      launchctl: 'my.fancy.package.service'
+  zap pkgutil:   "my.fancy.package.*",
+      kext:      "my.fancy.package.kernelextension",
+      launchctl: "my.fancy.package.service"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-postflight-multi.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-postflight-multi.rb
index 57989676df6599456cbd79ee39c7e316d90835f3..f0b82d4716cceba7450cb34d370f15c3d0e1386f 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-postflight-multi.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-postflight-multi.rb
@@ -1,11 +1,11 @@
-cask 'with-postflight-multi' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-postflight-multi" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   postflight do
   end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-postflight.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-postflight.rb
index a12ed6b5b97f2d635e575068e1132920a5bb4a0c..b14223ccbd810f28f4c1fc5148bf8708d963dedb 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-postflight.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-postflight.rb
@@ -1,11 +1,11 @@
-cask 'with-postflight' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-postflight" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   postflight do
   end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-preflight-multi.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-preflight-multi.rb
index a84021dde010f014f50e58ca69997f4403acbabd..c62bfdcebcfa228d558833c16f6eed141291732f 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-preflight-multi.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-preflight-multi.rb
@@ -1,11 +1,11 @@
-cask 'with-preflight-multi' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-preflight-multi" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   preflight do
   end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-preflight.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-preflight.rb
index af3ce7d205265c1371c20ace9b843c856c371c6f..29bc0b0c16a3b4c8b87174af154620142bb4ad9c 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-preflight.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-preflight.rb
@@ -1,11 +1,11 @@
-cask 'with-preflight' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-preflight" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   preflight do
   end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-suite.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-suite.rb
index ed203381278032ec821d2db27838e9526d6f36c2..0a976d1970d515e8df63ccd6c60a0146d66b095e 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-suite.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-suite.rb
@@ -1,10 +1,10 @@
-cask 'with-suite' do
-  version '1.2.3'
-  sha256 'd95dcc12d4e5be0bc3cb9793c4b7e7f69a25f0b3c7418494b0c883957e6eeae4'
+cask "with-suite" do
+  version "1.2.3"
+  sha256 "d95dcc12d4e5be0bc3cb9793c4b7e7f69a25f0b3c7418494b0c883957e6eeae4"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine-suite.zip"
-  name 'Caffeine'
-  homepage 'https://brew.sh/with-suite'
+  name "Caffeine"
+  homepage "https://brew.sh/with-suite"
 
-  suite 'Caffeine'
+  suite "Caffeine"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-two-apps-correct.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-two-apps-correct.rb
index 819b21233a5747b46844309d9ae7f8c68c880135..31093c90c0da0d1dbd579cf6366a503d5ee96d34 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-two-apps-correct.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-two-apps-correct.rb
@@ -1,10 +1,10 @@
-cask 'with-two-apps-correct' do
-  version '1.2.3'
-  sha256 '3178fbfd1ea5d87a2a0662a4eb599ebc9a03888e73f37538d9f3f6ee69d2368e'
+cask "with-two-apps-correct" do
+  version "1.2.3"
+  sha256 "3178fbfd1ea5d87a2a0662a4eb599ebc9a03888e73f37538d9f3f6ee69d2368e"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeines.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine Mini.app'
-  app 'Caffeine Pro.app'
+  app "Caffeine Mini.app"
+  app "Caffeine Pro.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-two-apps-subdir.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-two-apps-subdir.rb
index 8ebf1360576307c613ac03f9c6ab249304a36a92..5f273e6ac7b981bc3f891793e020e57de4b350ca 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-two-apps-subdir.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-two-apps-subdir.rb
@@ -1,10 +1,10 @@
-cask 'with-two-apps-subdir' do
-  version '1.2.3'
-  sha256 'd687c22a21c02bd8f07da9302c8292b93a04df9a929e3f04d09aea6c76f75c65'
+cask "with-two-apps-subdir" do
+  version "1.2.3"
+  sha256 "d687c22a21c02bd8f07da9302c8292b93a04df9a929e3f04d09aea6c76f75c65"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeines-subdir.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeines/Caffeine Mini.app'
-  app 'Caffeines/Caffeine Pro.app'
+  app "Caffeines/Caffeine Mini.app"
+  app "Caffeines/Caffeine Pro.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-delete.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-delete.rb
index 550eb9009ee92225cfe0bd4eddd6456e28901277..f40775872ed0e3f3b6d8f0235285fe031bb66f7d 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-delete.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-delete.rb
@@ -1,17 +1,17 @@
-cask 'with-uninstall-delete' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-delete" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'Fancy.pkg'
+  pkg "Fancy.pkg"
 
   uninstall delete: [
-                      "#{TEST_TMPDIR}/absolute_path",
-                      '~/path_with_tilde',
-                      "#{TEST_TMPDIR}/glob_path*",
-                      'impermissible/relative/path',
-                      '/another/impermissible/../relative/path',
-                    ]
+    "#{TEST_TMPDIR}/absolute_path",
+    "~/path_with_tilde",
+    "#{TEST_TMPDIR}/glob_path*",
+    "impermissible/relative/path",
+    "/another/impermissible/../relative/path",
+  ]
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-early-script.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-early-script.rb
index 07759f6f40d6c36d0c3720c00ab6bd6cafdb0bef..8795d86c69cc2feaae18f88a299283e884e1f21f 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-early-script.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-early-script.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-early-script' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-early-script" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
-  uninstall early_script: { executable: 'MyFancyPkg/FancyUninstaller.tool', args: ['--please'] }
+  uninstall early_script: { executable: "MyFancyPkg/FancyUninstaller.tool", args: ["--please"] }
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-kext.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-kext.rb
index f3646cae00e5ab7939cd7864d71c93b6d27aae74..ea2a12cb295ed1cb40fb079c1f1a1bea3b0be3b4 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-kext.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-kext.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-kext' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-kext" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'Fancy.pkg'
+  pkg "Fancy.pkg"
 
-  uninstall kext: 'my.fancy.package.kernelextension'
+  uninstall kext: "my.fancy.package.kernelextension"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-launchctl.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-launchctl.rb
index 739655ae61e61bfd11497a67bc631ae0aa0a23e6..f30cfb4ac488d73f8e418bd54ba70a1710aee1ca 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-launchctl.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-launchctl.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-launchctl' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-launchctl" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyApp.zip"
-  homepage 'https://brew.sh/fancy'
+  homepage "https://brew.sh/fancy"
 
-  app 'Fancy.app'
+  app "Fancy.app"
 
-  uninstall launchctl: 'my.fancy.package.service'
+  uninstall launchctl: "my.fancy.package.service"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-login-item.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-login-item.rb
index e297a209fc4a6d3c6739315d9700c92f92be5b76..14c52cab6d2f1662692cf66107a7a2bd5daa761c 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-login-item.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-login-item.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-login-item' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-login-item" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
-  uninstall login_item: 'Fancy'
+  uninstall login_item: "Fancy"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-multi.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-multi.rb
index f1e40b36a90271cbebb4613a2252d6d2db0fb047..e7b34bed96e8081f332abc3da75ee4f324edb8da 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-multi.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-multi.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-multi' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-multi" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   uninstall rmdir: "#{TEST_TMPDIR}/empty_directory_path"
   uninstall delete: "#{TEST_TMPDIR}/empty_directory_path"
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-pkgutil.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-pkgutil.rb
index f83bf30eac53df053b92355873ac51b6ac3de972..85565cbd8d69704234774a7b4cc069340a5abac1 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-pkgutil.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-pkgutil.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-pkgutil' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-pkgutil" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'Fancy.pkg'
+  pkg "Fancy.pkg"
 
-  uninstall pkgutil: 'my.fancy.package.*'
+  uninstall pkgutil: "my.fancy.package.*"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-postflight-multi.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-postflight-multi.rb
index 0c92463ad2e036895ec199b01beb83f228b19997..52e5e6420bc09ade79596b1a6116f003211c6035 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-postflight-multi.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-postflight-multi.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-postflight-multi' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-postflight-multi" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   uninstall_postflight do
   end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-postflight.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-postflight.rb
index d9d4ac11cb8363ed578190e78542a4005a4cb6be..c400a7edd10735c10f4ba11c9ba2972eceb9de1d 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-postflight.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-postflight.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-postflight' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-postflight" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   uninstall_postflight do
   end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-preflight-multi.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-preflight-multi.rb
index 4d7aeae65a53211e33093568ed62afc7d93924f8..d743984fde1ef6cc87016d16c285a88eb5fddd51 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-preflight-multi.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-preflight-multi.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-preflight-multi' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-preflight-multi" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   uninstall_preflight do
   end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-preflight.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-preflight.rb
index 7174a2f340299af1e95d81b5a8bfc1129f4bc6b8..b4d73a0e6c227e7eaacb794fa936442c46b6a3ed 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-preflight.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-preflight.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-preflight' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-preflight" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   uninstall_preflight do
   end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-quit.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-quit.rb
index e479f6ba43eb2665edd64619a5fa51c3ece85a9f..bb19722e6154063f57d71ae09fe2b0945e43b817 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-quit.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-quit.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-quit' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-quit" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
-  uninstall quit: 'my.fancy.package.app'
+  uninstall quit: "my.fancy.package.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-rmdir.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-rmdir.rb
index 58f04db79a171ea84c330d0ae6b2c5b5bd34b0d5..b7135a6fe5ee9aeb3d54a40784185a270dd7d834 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-rmdir.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-rmdir.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-rmdir' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-rmdir" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   uninstall rmdir: "#{TEST_TMPDIR}/empty_directory_path"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-script-app.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-script-app.rb
index 8428462b590eba6fae909028b374805fe81cceb7..1b768b25da2e730d0835abe4210835fe8a4e7907 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-script-app.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-script-app.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-script-app' do
-  version '1.2.3'
-  sha256 '5633c3a0f2e572cbf021507dec78c50998b398c343232bdfc7e26221d0a5db4d'
+cask "with-uninstall-script-app" do
+  version "1.2.3"
+  sha256 "5633c3a0f2e572cbf021507dec78c50998b398c343232bdfc7e26221d0a5db4d"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyApp.zip"
-  homepage 'https://brew.sh/MyFancyApp'
+  homepage "https://brew.sh/MyFancyApp"
 
-  app 'MyFancyApp/MyFancyApp.app'
+  app "MyFancyApp/MyFancyApp.app"
 
   postflight do
     IO.write "#{appdir}/MyFancyApp.app/uninstall.sh", <<~SH
@@ -15,7 +15,7 @@ cask 'with-uninstall-script-app' do
   end
 
   uninstall script: {
-                      executable: "#{appdir}/MyFancyApp.app/uninstall.sh",
-                      sudo:       false,
-                    }
+    executable: "#{appdir}/MyFancyApp.app/uninstall.sh",
+    sudo:       false,
+  }
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-script.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-script.rb
index c72493defb9a51d1c4770bd38973ac01be70de40..f9463bd82ce03bb49305e553f4af0b59cb70cd84 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-script.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-script.rb
@@ -1,11 +1,11 @@
-cask 'with-uninstall-script' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-script" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
-  uninstall script: { executable: 'MyFancyPkg/FancyUninstaller.tool', args: ['--please'] }
+  uninstall script: { executable: "MyFancyPkg/FancyUninstaller.tool", args: ["--please"] }
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-signal.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-signal.rb
index 9e897d5596d3147d9b6b126632c357989c222aba..fabb158e7056cd5ef2c1a0fed8f309bc378e630a 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-signal.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-signal.rb
@@ -1,14 +1,14 @@
-cask 'with-uninstall-signal' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-signal" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   uninstall signal: [
-                      ['TERM', 'my.fancy.package.app'],
-                      ['KILL', 'my.fancy.package.app'],
-                    ]
+    ["TERM", "my.fancy.package.app"],
+    ["KILL", "my.fancy.package.app"],
+  ]
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-trash.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-trash.rb
index 836fe4c23a5e2cb6693db472af1eb8ca2b4bb28a..4f3fac0313f6addec5ecec6411836089f6f2a42c 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-trash.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-uninstall-trash.rb
@@ -1,17 +1,17 @@
-cask 'with-uninstall-trash' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-uninstall-trash" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'Fancy.pkg'
+  pkg "Fancy.pkg"
 
   uninstall trash: [
-                     "#{TEST_TMPDIR}/absolute_path",
-                     '~/path_with_tilde',
-                     "#{TEST_TMPDIR}/glob_path*",
-                     'impermissible/relative/path',
-                     '/another/impermissible/../relative/path',
-                   ]
+    "#{TEST_TMPDIR}/absolute_path",
+    "~/path_with_tilde",
+    "#{TEST_TMPDIR}/glob_path*",
+    "impermissible/relative/path",
+    "/another/impermissible/../relative/path",
+  ]
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-delete.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-delete.rb
index 3f3278222f984af0a4d6daca75da46dc5f72a1b8..706ca7a2f1ffba67e9fefc676eb2e8ff349ad5ac 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-delete.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-delete.rb
@@ -1,17 +1,17 @@
-cask 'with-zap-delete' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap-delete" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'Fancy.pkg'
+  pkg "Fancy.pkg"
 
   zap delete: [
-                "#{TEST_TMPDIR}/absolute_path",
-                '~/path_with_tilde',
-                "#{TEST_TMPDIR}/glob_path*",
-                'impermissible/relative/path',
-                '/another/impermissible/../relative/path',
-              ]
+    "#{TEST_TMPDIR}/absolute_path",
+    "~/path_with_tilde",
+    "#{TEST_TMPDIR}/glob_path*",
+    "impermissible/relative/path",
+    "/another/impermissible/../relative/path",
+  ]
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-early-script.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-early-script.rb
index e6fe3e8417fd2a8343317160cce4e8d9e8407289..b49500faee3938e8f8f173ad1b030b7da0b3c6b1 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-early-script.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-early-script.rb
@@ -1,11 +1,11 @@
-cask 'with-zap-early-script' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap-early-script" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
-  zap early_script: { executable: 'MyFancyPkg/FancyUninstaller.tool', args: ['--please'] }
+  zap early_script: { executable: "MyFancyPkg/FancyUninstaller.tool", args: ["--please"] }
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-kext.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-kext.rb
index d1cdbdd0a59f27430dcdcb65fb56f0e1fba784f7..ba90728b3add9b863cc0ac179e4fc202302b24de 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-kext.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-kext.rb
@@ -1,11 +1,11 @@
-cask 'with-zap-kext' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap-kext" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'Fancy.pkg'
+  pkg "Fancy.pkg"
 
-  zap kext: 'my.fancy.package.kernelextension'
+  zap kext: "my.fancy.package.kernelextension"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-launchctl.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-launchctl.rb
index 83799a73dc07f113d28e14c15474907a4b575928..44a792bb0ad85e48df36f5e838650a2177d5c9f3 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-launchctl.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-launchctl.rb
@@ -1,11 +1,11 @@
-cask 'with-zap-launchctl' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap-launchctl" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyApp.zip"
-  homepage 'https://brew.sh/fancy'
+  homepage "https://brew.sh/fancy"
 
-  app 'Fancy.app'
+  app "Fancy.app"
 
-  zap launchctl: 'my.fancy.package.service'
+  zap launchctl: "my.fancy.package.service"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-login-item.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-login-item.rb
index 70d5e385b9cefd75a73146b393133a897a6509ed..7e6678af8007f84e3884d8749d53eff20ae98589 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-login-item.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-login-item.rb
@@ -1,11 +1,11 @@
-cask 'with-zap-login-item' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap-login-item" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
-  zap login_item: 'Fancy'
+  zap login_item: "Fancy"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-multi.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-multi.rb
index d6c1acda0d46a3eaf309c38023feeb20c09f681f..68fe837d4512a0023c636b803e11b19b1e208f96 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-multi.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-multi.rb
@@ -1,11 +1,11 @@
-cask 'with-zap-multi' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap-multi" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   zap rmdir: "#{TEST_TMPDIR}/empty_directory_path"
   zap delete: "#{TEST_TMPDIR}/empty_directory_path"
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-pkgutil.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-pkgutil.rb
index 29d90e8e81a112bf906b4980e555e7f3c6adb7fa..cf89e2c943ed9fa32a10524b15aa9531c79fa43f 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-pkgutil.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-pkgutil.rb
@@ -1,11 +1,11 @@
-cask 'with-zap-pkgutil' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap-pkgutil" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'Fancy.pkg'
+  pkg "Fancy.pkg"
 
-  zap pkgutil: 'my.fancy.package.*'
+  zap pkgutil: "my.fancy.package.*"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-quit.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-quit.rb
index 8286fe3a3f2f0a0054e49d58ef4fc7d4ad73d5d1..1d7ac6b8d8e103dbf217f159e457292cd617f121 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-quit.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-quit.rb
@@ -1,11 +1,11 @@
-cask 'with-zap-quit' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap-quit" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
-  zap quit: 'my.fancy.package.app'
+  zap quit: "my.fancy.package.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-rmdir.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-rmdir.rb
index 70e18cbb09b74f511ba1c069ed93f91f47360263..0c7a72cecc5f7e0a1068b6d44cb7cced1e0ee5ae 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-rmdir.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-rmdir.rb
@@ -1,11 +1,11 @@
-cask 'with-zap-rmdir' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap-rmdir" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   zap rmdir: "#{TEST_TMPDIR}/empty_directory_path"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-script.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-script.rb
index 44d499dc1b5c055031936d09e44e38199fd1ab49..de0b55e9dec81821da351a26737c0bb9f7e57b7b 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-script.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-script.rb
@@ -1,11 +1,11 @@
-cask 'with-zap-script' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap-script" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
-  zap script: { executable: 'MyFancyPkg/FancyUninstaller.tool', args: ['--please'] }
+  zap script: { executable: "MyFancyPkg/FancyUninstaller.tool", args: ["--please"] }
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-signal.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-signal.rb
index 4d6f4dd6d6413dab9f44da3463abee151af72c1e..86aa943f39fd1ca71287ff0676cd82ae2017a6d8 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-signal.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-signal.rb
@@ -1,14 +1,14 @@
-cask 'with-zap-signal' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap-signal" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
   zap signal: [
-                ['TERM', 'my.fancy.package.app'],
-                ['KILL', 'my.fancy.package.app'],
-              ]
+    ["TERM", "my.fancy.package.app"],
+    ["KILL", "my.fancy.package.app"],
+  ]
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-trash.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-trash.rb
index 7a55d061af316278e5c65000d6e53439fe1fd5c4..11651a4f2fdb26463d586d29bbf6e9d322222735 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-trash.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap-trash.rb
@@ -1,17 +1,17 @@
-cask 'with-zap-trash' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap-trash" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'Fancy.pkg'
+  pkg "Fancy.pkg"
 
   zap trash: [
-               "#{TEST_TMPDIR}/absolute_path",
-               '~/path_with_tilde',
-               "#{TEST_TMPDIR}/glob_path*",
-               'impermissible/relative/path',
-               '/another/impermissible/../relative/path',
-             ]
+    "#{TEST_TMPDIR}/absolute_path",
+    "~/path_with_tilde",
+    "#{TEST_TMPDIR}/glob_path*",
+    "impermissible/relative/path",
+    "/another/impermissible/../relative/path",
+  ]
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap.rb
index 8fb9ee922727775a10e0f6a37280c2d60a6afa65..ab0bd7b2f879e910047c53cd1c31a90602a9bc51 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/with-zap.rb
@@ -1,19 +1,19 @@
-cask 'with-zap' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "with-zap" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/MyFancyPkg.zip"
-  homepage 'https://brew.sh/fancy-pkg'
+  homepage "https://brew.sh/fancy-pkg"
 
-  pkg 'MyFancyPkg/Fancy.pkg'
+  pkg "MyFancyPkg/Fancy.pkg"
 
-  uninstall quit: 'my.fancy.package.app.from.uninstall'
+  uninstall quit: "my.fancy.package.app.from.uninstall"
 
   zap script:     {
-                    executable: 'MyFancyPkg/FancyUninstaller.tool',
-                    args:       ['--please'],
-                  },
-      quit:       'my.fancy.package.app',
-      login_item: 'Fancy',
-      delete:     '~/Library/Preferences/my.fancy.app.plist'
+    executable: "MyFancyPkg/FancyUninstaller.tool",
+    args:       ["--please"],
+  },
+      quit:       "my.fancy.package.app",
+      login_item: "Fancy",
+      delete:     "~/Library/Preferences/my.fancy.app.plist"
 end
diff --git a/Library/Homebrew/test/support/fixtures/cask/Casks/without-languages.rb b/Library/Homebrew/test/support/fixtures/cask/Casks/without-languages.rb
index b6a1426c9bc665ab7c52fcfea14ff2ac2c3e849a..6d3ae3a0e3bfb0cf38975b4835c6ebd9ad04fc52 100644
--- a/Library/Homebrew/test/support/fixtures/cask/Casks/without-languages.rb
+++ b/Library/Homebrew/test/support/fixtures/cask/Casks/without-languages.rb
@@ -1,9 +1,9 @@
-cask 'without-languages' do
-  version '1.2.3'
-  sha256 '67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94'
+cask "without-languages" do
+  version "1.2.3"
+  sha256 "67cdb8a02803ef37fdbf7e0be205863172e41a561ca446cd84f0d7ab35a99d94"
 
   url "file://#{TEST_FIXTURE_DIR}/cask/caffeine.zip"
-  homepage 'https://brew.sh/'
+  homepage "https://brew.sh/"
 
-  app 'Caffeine.app'
+  app "Caffeine.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/third-party/Casks/pharo.rb b/Library/Homebrew/test/support/fixtures/third-party/Casks/pharo.rb
index 8918c6565fddd7ff7677fe77fc835679322e7dfc..e6b6fef803cfc995ad1d14e5fb03ffb1015f0455 100644
--- a/Library/Homebrew/test/support/fixtures/third-party/Casks/pharo.rb
+++ b/Library/Homebrew/test/support/fixtures/third-party/Casks/pharo.rb
@@ -1,10 +1,10 @@
-cask 'pharo' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "pharo" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
-  url 'https://brew.sh/ThirdParty.dmg'
-  name 'Pharo'
-  homepage 'https://brew.sh/'
+  url "https://brew.sh/ThirdParty.dmg"
+  name "Pharo"
+  homepage "https://brew.sh/"
 
-  app 'ThirdParty.app'
+  app "ThirdParty.app"
 end
diff --git a/Library/Homebrew/test/support/fixtures/third-party/Casks/third-party-cask.rb b/Library/Homebrew/test/support/fixtures/third-party/Casks/third-party-cask.rb
index efe803bd8bfd560d2521aae05071636373ede8c1..2979305a29d8a3e57ead1c9df82a153b6087d6c4 100644
--- a/Library/Homebrew/test/support/fixtures/third-party/Casks/third-party-cask.rb
+++ b/Library/Homebrew/test/support/fixtures/third-party/Casks/third-party-cask.rb
@@ -1,9 +1,9 @@
-cask 'third-party-cask' do
-  version '1.2.3'
-  sha256 '8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b'
+cask "third-party-cask" do
+  version "1.2.3"
+  sha256 "8c62a2b791cf5f0da6066a0a4b6e85f62949cd60975da062df44adf887f4370b"
 
-  url 'https://brew.sh/ThirdParty.dmg'
-  homepage 'https://brew.sh/'
+  url "https://brew.sh/ThirdParty.dmg"
+  homepage "https://brew.sh/"
 
-  app 'ThirdParty.app'
+  app "ThirdParty.app"
 end