From dbd8de71489c7cbc64d5ee5ee58917f96a69a447 Mon Sep 17 00:00:00 2001
From: Mike McQuaid <mike@mikemcquaid.com>
Date: Wed, 30 Jan 2019 21:29:54 +0000
Subject: [PATCH] --version: use CLI::Parser.

---
 Library/Homebrew/cmd/--version.rb | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/Library/Homebrew/cmd/--version.rb b/Library/Homebrew/cmd/--version.rb
index a05369e25b..bd4a222821 100644
--- a/Library/Homebrew/cmd/--version.rb
+++ b/Library/Homebrew/cmd/--version.rb
@@ -1,10 +1,22 @@
-#:  * `--version`:
-#:    Print the version number of Homebrew to standard output and exit.
+require "cli_parser"
 
 module Homebrew
   module_function
 
+  def __version_args
+    Homebrew::CLI::Parser.new do
+      usage_banner <<~EOS
+        `--version`
+
+        Print the version number of Homebrew, Homebrew/homebrew-core and Homebrew/homebrew-cask
+        (if tapped) to standard output and exit.
+      EOS
+    end
+  end
+
   def __version
+    __version_args.parse
+
     odie "This command does not take arguments." if ARGV.any?
 
     puts "Homebrew #{HOMEBREW_VERSION}"