From fb8c7e0aafdd487533cce6853fe845346d97c87c Mon Sep 17 00:00:00 2001
From: Max Howell
Date: Wed, 22 Aug 2012 12:40:53 -0400
Subject: Allow eg. `brew --env libxml2`

Example useful usage:

    eval $(brew --env gettext) && clang -Wl,-t -lssl 2>/dev/null
---
 Library/Homebrew/cmd/--env.rb | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'Library/Homebrew/cmd')

diff --git a/Library/Homebrew/cmd/--env.rb b/Library/Homebrew/cmd/--env.rb
index b5d1253fe..df458fc87 100644
--- a/Library/Homebrew/cmd/--env.rb
+++ b/Library/Homebrew/cmd/--env.rb
@@ -3,12 +3,16 @@ require 'hardware'
 
 module Homebrew extend self
   def __env
+    if superenv?
+      ENV.deps = ARGV.formulae.map(&:name) unless ARGV.named.empty?
+    end
     ENV.setup_build_environment
     ENV.universal_binary if ARGV.build_universal?
     if $stdout.tty?
       dump_build_env ENV
     else
-      build_env_keys(ENV).each do |key|
+      keys = build_env_keys(ENV) << 'HOMEBREW_BREW_FILE' << 'HOMEBREW_SDKROOT'
+      keys.each do |key|
         puts "export #{key}=\"#{ENV[key]}\""
       end
     end
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