core file style update

4 files changed, 5 insertions, 4 deletions

diff --git a/Library/Homebrew/cmd/audit.rb b/Library/Homebrew/cmd/audit.rb
index 49396224b..ca76c1c53 100644
--- a/Library/Homebrew/cmd/audit.rb
+++ b/Library/Homebrew/cmd/audit.rb
@@ -374,7 +374,7 @@ class FormulaAuditor
       problem "Description should use \"command-line\" instead of \"#{$1}\""
     end
 
-    if desc =~ %r[^([Aa]n?)\s]
+    if desc =~ /^([Aa]n?)\s/
       problem "Please remove the indefinite article \"#{$1}\" from the beginning of the description"
     end
   end
diff --git a/Library/Homebrew/cmd/cleanup.rb b/Library/Homebrew/cmd/cleanup.rb
index f9203c68d..0561510cb 100644
--- a/Library/Homebrew/cmd/cleanup.rb
+++ b/Library/Homebrew/cmd/cleanup.rb
@@ -133,7 +133,7 @@ module Homebrew
     workers.map(&:join)
   end
 
-  def prune?(path, options={})
+  def prune?(path, options = {})
     @time ||= Time.now
 
     path_modified_time = path.mtime
diff --git a/Library/Homebrew/cmd/doctor.rb b/Library/Homebrew/cmd/doctor.rb
index 97e31a8e2..910aedc52 100644
--- a/Library/Homebrew/cmd/doctor.rb
+++ b/Library/Homebrew/cmd/doctor.rb
@@ -864,7 +864,7 @@ class Checks
     # https://help.github.com/articles/https-cloning-errors
     `git --version`.chomp =~ /git version ((?:\d+\.?)+)/
 
-    if $1 && Version.new($1) < Version.new("1.7.10") then
+    if $1 && Version.new($1) < Version.new("1.7.10")
       git_upgrade_cmd = Formula["git"].any_version_installed? ? "upgrade" : "install"
 
       <<-EOS.undent
diff --git a/Library/Homebrew/cmd/update.rb b/Library/Homebrew/cmd/update.rb
index d9cecf5d5..33c7c49ae 100644
--- a/Library/Homebrew/cmd/update.rb
+++ b/Library/Homebrew/cmd/update.rb
@@ -71,7 +71,8 @@ module Homebrew
         user, repo, oldname = oldname.split("/", 3)
         newname = newname.split("/", 3).last
       else
-        user, repo = "homebrew", "homebrew"
+        user = "homebrew"
+        repo = "homebrew"
       end
 
       next unless (dir = HOMEBREW_CELLAR/oldname).directory? && !dir.subdirs.empty?