diff --git a/Library/Homebrew/Gemfile.lock b/Library/Homebrew/Gemfile.lock
index c46299e0bd..230c6e45b0 100644
--- a/Library/Homebrew/Gemfile.lock
+++ b/Library/Homebrew/Gemfile.lock
@@ -80,7 +80,7 @@ GEM
     rspec-support (3.8.2)
     rspec-wait (0.0.9)
       rspec (>= 3, < 4)
-    rubocop (0.72.0)
+    rubocop (0.73.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.6)
diff --git a/Library/Homebrew/cask/cmd/info.rb b/Library/Homebrew/cask/cmd/info.rb
index bfe4840703..a09291bce0 100644
--- a/Library/Homebrew/cask/cmd/info.rb
+++ b/Library/Homebrew/cask/cmd/info.rb
@@ -59,23 +59,19 @@ module Cask
       end
 
       def self.installation_info(cask)
+        return "Not installed\n" unless cask.installed?
+
         install_info = +""
-        if cask.installed?
-          cask.versions.each do |version|
-            versioned_staged_path = cask.caskroom_path.join(version)
-            install_info << versioned_staged_path.to_s
-                            .concat(" (")
-                            .concat(
-                              if versioned_staged_path.exist?
-                              then versioned_staged_path.abv
-                              else Formatter.error("does not exist")
-                              end,
-                            ).concat(")\n")
+        cask.versions.each do |version|
+          versioned_staged_path = cask.caskroom_path.join(version)
+          path_details = if versioned_staged_path.exist?
+            versioned_staged_path.abv
+          else
+            Formatter.error("does not exist")
           end
-          install_info.freeze
-        else
-          "Not installed\n"
+          install_info << "#{versioned_staged_path} (#{path_details})\n"
         end
+        install_info.freeze
       end
 
       def self.name_info(cask)
diff --git a/Library/Homebrew/download_strategy.rb b/Library/Homebrew/download_strategy.rb
index 467959f213..ac8225741f 100644
--- a/Library/Homebrew/download_strategy.rb
+++ b/Library/Homebrew/download_strategy.rb
@@ -66,13 +66,13 @@ class AbstractDownloadStrategy
 
   def chdir
     entries = Dir["*"]
-    case entries.length
-    when 0 then raise "Empty archive"
-    when 1 then begin
-        Dir.chdir entries.first
-      rescue
-        nil
-      end
+    raise "Empty archive" if entries.length.zero?
+    return if entries.length != 1
+
+    begin
+      Dir.chdir entries.first
+    rescue
+      nil
     end
   end
   private :chdir