From 559931697141380e33138d35cf39cd60b9a8c741 Mon Sep 17 00:00:00 2001
From: Max Howell <max@methylblue.com>
Date: Fri, 23 Oct 2009 14:49:48 +0100
Subject: [PATCH] Don't look broken if CWD doesn't exist

Ruby throws if CWD doesn't exist, even when you aren't doing anything related to the CWD. Sucks. So at least show the user a friendly error message rather than looking broken.
---
 bin/brew | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/bin/brew b/bin/brew
index ddece3cf02..3e756ccb97 100755
--- a/bin/brew
+++ b/bin/brew
@@ -1,6 +1,10 @@
 #!/usr/bin/ruby
 # -*- coding: utf-8 -*-
 
+# Many Pathname operations use getwd when they shouldn't, and then throw 
+# odd exceptions. Reduce our support burden by showing a user-friendly error.
+Dir.getwd rescue abort "The current working directory doesn't exist, cannot proceed."
+
 def homebrew_rubylib_path
   lib_path = "/../../Library/Homebrew"
   # we resolve off of Dir.getwd as otherwise the symlink gets resolved!