From 5e212a76e31389abe73a01d44fa08d6a5523cec4 Mon Sep 17 00:00:00 2001
From: Adam Vandenberg
Date: Thu, 1 Nov 2012 08:08:40 -0700
Subject: Error out on lowercase --head parameter to install.

Fixes Homebrew/homebrew#14815.
---
 Library/Homebrew/cmd/install.rb | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'Library')

diff --git a/Library/Homebrew/cmd/install.rb b/Library/Homebrew/cmd/install.rb
index b01866958..ad5420df1 100644
--- a/Library/Homebrew/cmd/install.rb
+++ b/Library/Homebrew/cmd/install.rb
@@ -6,6 +6,10 @@ module Homebrew extend self
   def install
     raise FormulaUnspecifiedError if ARGV.named.empty?
 
+    if ARGV.include? '--head'
+      raise "Specify `--HEAD` in uppercase to build from trunk."
+    end
+
     ARGV.named.each do |name|
       # if a formula has been tapped ignore the blacklisting
       if not File.file? HOMEBREW_REPOSITORY/"Library/Formula/#{name}.rb"
-- 
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