various: correct Style/CollectionQuerying

Signed-off-by: Patrick Linnane <patrick@linnane.io>

Library/Homebrew/cask/upgrade.rb

@@ -134,7 +134,7 @@ module Cask
 
       return true if caught_exceptions.empty?
       raise MultipleCaskErrors, caught_exceptions if caught_exceptions.count > 1
-      raise caught_exceptions.fetch(0) if caught_exceptions.count == 1
+      raise caught_exceptions.fetch(0) if caught_exceptions.one?
 
       false
     end

Library/Homebrew/dev-cmd/bottle.rb

@@ -723,7 +723,7 @@ module Homebrew
           all_bottle = !args.no_all_checks? &&
                        (!old_bottle_spec_matches || bottle.rebuild != old_bottle_spec.rebuild) &&
                        tag_hashes.count > 1 &&
-                       tag_hashes.uniq { |tag_hash| "#{tag_hash["cellar"]}-#{tag_hash["sha256"]}" }.count == 1
+                       tag_hashes.uniq { |tag_hash| "#{tag_hash["cellar"]}-#{tag_hash["sha256"]}" }.one?
 
           old_all_bottle = old_bottle_spec.tag?(Utils::Bottles.tag(:all))
           if !all_bottle && old_all_bottle && !args.no_all_checks?

Library/Homebrew/download_strategy.rb

@@ -341,7 +341,7 @@ class AbstractFileDownloadStrategy < AbstractDownloadStrategy
                         .reject { |path| path.extname.end_with?(".incomplete") }
 
     @cached_location = T.let(
-      if downloads.count == 1
+      if downloads.one?
         downloads.fetch(0)
       else
         HOMEBREW_CACHE/"downloads/#{url_sha256}--#{Utils.safe_filename(resolved_basename)}"

Library/Homebrew/livecheck/skip_conditions.rb

@@ -323,7 +323,7 @@ module Homebrew
         end
         return unless name
 
-        if skip_hash[:messages].is_a?(Array) && skip_hash[:messages].count.positive?
+        if skip_hash[:messages].is_a?(Array) && skip_hash[:messages].any?
           # TODO: Handle multiple messages, only if needed in the future
           if skip_hash[:status] == "skipped"
             puts "#{Tty.red}#{name}#{Tty.reset}: skipped - #{skip_hash[:messages][0]}"

Library/Homebrew/rubocops/extend/formula_cop.rb

@@ -228,13 +228,13 @@ module RuboCop
             rescue JSON::ParserError
               nil
             end
-            next if list_contents.nil? || list_contents.count.zero?
+            next if list_contents.nil? || list_contents.none?
 
             @tap_style_exceptions[list_name] = list_contents
           end
         end
 
-        return false if @tap_style_exceptions.nil? || @tap_style_exceptions.count.zero?
+        return false if @tap_style_exceptions.nil? || @tap_style_exceptions.none?
         return false unless @tap_style_exceptions.key? list
 
         T.must(@tap_style_exceptions[list]).include?(formula || @formula_name)

Library/Homebrew/style.rb

@@ -176,7 +176,7 @@ module Homebrew
 
         # Don't show the default formatter's progress dots
         # on CI or if only checking a single file.
-        args << "--format" << "clang" if ENV["CI"] || files.count { |f| !f.directory? } == 1
+        args << "--format" << "clang" if ENV["CI"] || files.one? { |f| !f.directory? }
 
         args << "--color" if Tty.color?
 

Library/Homebrew/uninstall.rb

@@ -48,7 +48,7 @@ module Homebrew
               if rack.directory?
                 versions = rack.subdirs.map(&:basename)
                 puts <<~EOS
-                  #{keg.name} #{versions.to_sentence} #{(versions.count == 1) ? "is" : "are"} still installed.
+                  #{keg.name} #{versions.to_sentence} #{(versions.one?) ? "is" : "are"} still installed.
                   To remove all versions, run:
                     brew uninstall --force #{keg.name}
                 EOS
@@ -133,7 +133,7 @@ module Homebrew
       def output
         ofail <<~EOS
           Refusing to uninstall #{reqs.to_sentence}
-          because #{(reqs.count == 1) ? "it" : "they"} #{are_required_by_deps}.
+          because #{(reqs.one?) ? "it" : "they"} #{are_required_by_deps}.
           You can override this and force removal with:
             #{sample_command}
         EOS
@@ -146,8 +146,8 @@ module Homebrew
       end
 
       def are_required_by_deps
-        "#{(reqs.count == 1) ? "is" : "are"} required by #{deps.to_sentence}, " \
+        "#{(reqs.one?) ? "is" : "are"} required by #{deps.to_sentence}, " \
-          "which #{(deps.count == 1) ? "is" : "are"} currently installed"
+          "which #{(deps.one?) ? "is" : "are"} currently installed"
       end
     end
 

Library/Homebrew/unversioned_cask_checker.rb

@@ -72,17 +72,17 @@ module Homebrew
 
     sig { returns(T::Boolean) }
     def single_app_cask?
-      apps.count == 1
+      apps.one?
     end
 
     sig { returns(T::Boolean) }
     def single_qlplugin_cask?
-      qlplugins.count == 1
+      qlplugins.one?
     end
 
     sig { returns(T::Boolean) }
     def single_pkg_cask?
-      pkgs.count == 1
+      pkgs.one?
     end
 
     # Filter paths to `Info.plist` files so that ones belonging
@@ -222,14 +222,14 @@ module Homebrew
             unique_info_plist_versions =
               top_level_info_plist_paths.filter_map { |i| BundleVersion.from_info_plist(i)&.nice_version }
                                         .uniq
-            return unique_info_plist_versions.first if unique_info_plist_versions.count == 1
+            return unique_info_plist_versions.first if unique_info_plist_versions.one?
 
             package_info_path = extract_dir/"PackageInfo"
             if package_info_path.exist?
               if (version = BundleVersion.from_package_info(package_info_path))
                 return version.nice_version
               end
-            elsif packages.count == 1
+            elsif packages.one?
               onoe "#{pkg_path.basename} does not contain a `PackageInfo` file."
             end