From 8f175cb03c57ac3a426d7cc1420f2b65aeaafd22 Mon Sep 17 00:00:00 2001
From: Martin Afanasjew <martin@afanasjew.de>
Date: Fri, 20 Nov 2015 20:52:29 +0100
Subject: [PATCH] bin/brew: separate variable assignment and export

This very slightly reduces duplication and the risk of inconsistency by
exporting in one branch, but not the other. By putting all the `export`
statements right before the `exec` it is more obvious what is passed on.
---
 bin/brew | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/bin/brew b/bin/brew
index 382c78f64e..c3468aaacc 100755
--- a/bin/brew
+++ b/bin/brew
@@ -4,7 +4,7 @@ chdir() {
 }
 
 BREW_FILE_DIRECTORY="$(chdir "${0%/*}" && pwd -P)"
-export HOMEBREW_BREW_FILE="$BREW_FILE_DIRECTORY/${0##*/}"
+HOMEBREW_BREW_FILE="$BREW_FILE_DIRECTORY/${0##*/}"
 
 BREW_SYMLINK="$(readlink "$0")"
 if [ -n "$BREW_SYMLINK" ]
@@ -31,10 +31,13 @@ then
   BREW_SYSTEM="$(uname -s | tr "[:upper:]" "[:lower:]")"
   if [ "$BREW_SYSTEM" = "darwin" ]
   then
-    export HOMEBREW_RUBY_PATH="/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby"
+    HOMEBREW_RUBY_PATH="/System/Library/Frameworks/Ruby.framework/Versions/Current/usr/bin/ruby"
   else
-    export HOMEBREW_RUBY_PATH="$(which ruby)"
+    HOMEBREW_RUBY_PATH="$(which ruby)"
   fi
 fi
 
+export HOMEBREW_BREW_FILE
+export HOMEBREW_RUBY_PATH
+
 exec "$HOMEBREW_RUBY_PATH" -W0 "$BREW_LIBRARY_DIRECTORY/brew.rb" "$@"