Use guard clauses.

3 files changed, 27 insertions, 27 deletions

diff --git a/Library/Homebrew/cask/lib/hbc/cli/search.rb b/Library/Homebrew/cask/lib/hbc/cli/search.rb
index 8e8f8fd75..3f73fcd2e 100644
--- a/Library/Homebrew/cask/lib/hbc/cli/search.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli/search.rb
@@ -41,14 +41,15 @@ module Hbc
           ohai "Exact match"
           puts exact_match
         end
-        unless partial_matches.empty?
-          if extract_regexp search_term
-            ohai "Regexp matches"
-          else
-            ohai "Partial matches"
-          end
-          puts Formatter.columns(partial_matches)
+
+        return if partial_matches.empty?
+
+        if extract_regexp search_term
+          ohai "Regexp matches"
+        else
+          ohai "Partial matches"
         end
+        puts Formatter.columns(partial_matches)
       end
 
       def self.help
diff --git a/Library/Homebrew/cask/lib/hbc/installer.rb b/Library/Homebrew/cask/lib/hbc/installer.rb
index 183d1f14b..57efe97e9 100644
--- a/Library/Homebrew/cask/lib/hbc/installer.rb
+++ b/Library/Homebrew/cask/lib/hbc/installer.rb
@@ -28,22 +28,21 @@ module Hbc
 
     def self.print_caveats(cask)
       odebug "Printing caveats"
-      unless cask.caveats.empty?
-        output = capture_output do
-          cask.caveats.each do |caveat|
-            if caveat.respond_to?(:eval_and_print)
-              caveat.eval_and_print(cask)
-            else
-              puts caveat
-            end
+      return if cask.caveats.empty?
+
+      output = capture_output do
+        cask.caveats.each do |caveat|
+          if caveat.respond_to?(:eval_and_print)
+            caveat.eval_and_print(cask)
+          else
+            puts caveat
           end
         end
-
-        unless output.empty?
-          ohai "Caveats"
-          puts output
-        end
       end
+
+      return if output.empty?
+      ohai "Caveats"
+      puts output
     end
 
     def self.capture_output(&block)
diff --git a/Library/Homebrew/cask/lib/hbc/utils.rb b/Library/Homebrew/cask/lib/hbc/utils.rb
index b442efd2f..88b8a88c4 100644
--- a/Library/Homebrew/cask/lib/hbc/utils.rb
+++ b/Library/Homebrew/cask/lib/hbc/utils.rb
@@ -137,13 +137,13 @@ module Hbc
 
     def self.nowstamp_metadata_path(container_path)
       @timenow ||= Time.now.gmtime
-      if container_path.respond_to?(:join)
-        precision = 3
-        timestamp = @timenow.strftime("%Y%m%d%H%M%S")
-        fraction = format("%.#{precision}f", @timenow.to_f - @timenow.to_i)[1..-1]
-        timestamp.concat(fraction)
-        container_path.join(timestamp)
-      end
+      return unless container_path.respond_to?(:join)
+
+      precision = 3
+      timestamp = @timenow.strftime("%Y%m%d%H%M%S")
+      fraction = format("%.#{precision}f", @timenow.to_f - @timenow.to_i)[1..-1]
+      timestamp.concat(fraction)
+      container_path.join(timestamp)
     end
 
     def self.size_in_bytes(files)