From 5d1576784a5603662ca9910eb97c948e833f35c9 Mon Sep 17 00:00:00 2001
From: Doug Hazell
Date: Sun, 19 Feb 2017 02:12:46 +0000
Subject: Mechanism to dynamically add HOMEBREW.* vars to 'env -i' command
 string in 'bin/brew'

---
 Library/Homebrew/utils/homebrew_vars.rb | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100755 Library/Homebrew/utils/homebrew_vars.rb

(limited to 'Library')

diff --git a/Library/Homebrew/utils/homebrew_vars.rb b/Library/Homebrew/utils/homebrew_vars.rb
new file mode 100755
index 000000000..057633b77
--- /dev/null
+++ b/Library/Homebrew/utils/homebrew_vars.rb
@@ -0,0 +1,11 @@
+#!/usr/bin/env ruby
+
+ENV.keys.each do |key| 
+  if key =~ /^HOMEBREW.*/
+    # Remove any HOMEBREW.* vars containing white-space which causes a problem for "env -i" command via string.
+    #
+    # (Any user supplied HOMEBREW.* vars with valid white-space need to be hard-coded in 'bin/brew')
+    #
+    puts "#{key}=#{ENV[key]}" unless ENV[key].split(' ').length > 1
+  end
+end
-- 
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