Only show full exception bt for --debug or -d

I agree with Adam, this makes sense.

1 files changed, 1 insertions, 1 deletions

diff --git a/bin/brew b/bin/brew
index fbb217cea..30742d5ea 100755
--- a/bin/brew
+++ b/bin/brew
@@ -131,7 +131,7 @@ rescue Interrupt => e
   puts # seemingly a newline is typical
   exit 130
 rescue SystemCallError, RuntimeError => e
-  if ARGV.verbose? or ARGV.debug?
+  if ARGV.debug?
     onoe e.inspect
     puts e.backtrace
   else