Include OS X version with fatal error details

So when people do what it says and list the info we know in advance their OS
version.

1 files changed, 3 insertions, 1 deletions

diff --git a/bin/brew b/bin/brew
index a9a372398..ba7080290 100755
--- a/bin/brew
+++ b/bin/brew
@@ -233,7 +233,9 @@ rescue SystemCallError, RuntimeError => e
 rescue Exception => e
   onoe "Homebrew has failed you :("
   puts "Please report this bug at: #{HOMEBREW_WWW}"
-  puts "Please include this backtrace:"
+  puts "Please include the following information:"
+  ohai "Environment"
+  puts "Mac OS X: "+`sw_vers -productVersion`
   ohai e.inspect
   puts e.backtrace
 end