From 10cbc77af9cd4b6c9f69f28ccf87f24359a771fc Mon Sep 17 00:00:00 2001
From: "L. E. Segovia" <amyspark@users.noreply.github.com>
Date: Fri, 20 Oct 2017 20:21:38 -0300
Subject: [PATCH] Fix brew style errors

---
 Library/Homebrew/cask/lib/hbc/cli.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/cask/lib/hbc/cli.rb b/Library/Homebrew/cask/lib/hbc/cli.rb
index 6ec3bf3b41..7f59954b58 100644
--- a/Library/Homebrew/cask/lib/hbc/cli.rb
+++ b/Library/Homebrew/cask/lib/hbc/cli.rb
@@ -154,7 +154,7 @@ module Hbc
     def run
       command_name, *args = detect_command_and_arguments(*@args)
       command = if help?
-        args.unshift(command_name) if !command_name.nil?
+        args.unshift(command_name) unless command_name.nil
         "help"
       else
         self.class.lookup_command(command_name)
@@ -230,7 +230,7 @@ module Hbc
 
         return if @command == "help" && @args.empty?
 
-        raise ArgumentError, "help does not take arguments"
+        raise ArgumentError, "help does not take arguments."
       end
 
       def purpose