more core file style updated by rubocop

4 files changed, 4 insertions, 4 deletions

diff --git a/Library/Homebrew/cmd/aspell-dictionaries.rb b/Library/Homebrew/cmd/aspell-dictionaries.rb
index f610ecfbd..754b6614e 100644
--- a/Library/Homebrew/cmd/aspell-dictionaries.rb
+++ b/Library/Homebrew/cmd/aspell-dictionaries.rb
@@ -16,7 +16,7 @@ module Homebrew
         fields = line.split('"')
         lang = fields[1]
         path = fields[3]
-        lang.gsub!("-", "_")
+        lang.tr!("-", "_")
         languages[lang] = path
       end
     end
diff --git a/Library/Homebrew/cmd/audit.rb b/Library/Homebrew/cmd/audit.rb
index 7390b8a86..84a93859f 100644
--- a/Library/Homebrew/cmd/audit.rb
+++ b/Library/Homebrew/cmd/audit.rb
@@ -360,7 +360,7 @@ class FormulaAuditor
       EOS
     end
 
-    if desc =~ %r[([Cc]ommand ?line)]
+    if desc =~ /([Cc]ommand ?line)/
       problem "Description should use \"command-line\" instead of \"#{$1}\""
     end
   end
diff --git a/Library/Homebrew/cmd/list.rb b/Library/Homebrew/cmd/list.rb
index 53985d113..068f26835 100644
--- a/Library/Homebrew/cmd/list.rb
+++ b/Library/Homebrew/cmd/list.rb
@@ -136,7 +136,7 @@ class PrettyListing
     root.children.sort.each do |pn|
       if pn.directory?
         dirs << pn
-      elsif block_given? and yield pn
+      elsif block_given? && yield(pn)
         puts pn
         other = "other "
       else
diff --git a/Library/Homebrew/cmd/test-bot.rb b/Library/Homebrew/cmd/test-bot.rb
index 8e9e3c239..6dcd301aa 100644
--- a/Library/Homebrew/cmd/test-bot.rb
+++ b/Library/Homebrew/cmd/test-bot.rb
@@ -793,7 +793,7 @@ module Homebrew
       bottle_args << "--tap=#{tap}" if tap
       safe_system "brew", "bottle", *bottle_args
 
-      remote_repo = tap ? tap.gsub("/", "-") : "homebrew"
+      remote_repo = tap ? tap.tr("/", "-") : "homebrew"
 
       remote = "git@github.com:BrewTestBot/#{remote_repo}.git"
       tag = pr ? "pr-#{pr}" : "testing-#{number}"