backtracer.rb in backtracer-0.6.2

- old
+ new

@@ -4,11 +4,13 @@
 
 require File.dirname(__FILE__) + "/shared"
 
 at_exit {
   if $! && !$!.is_a?(SystemExit) # SystemExit's are normal, not exceptional
-    print "\n\t" unless defined?($same_line)
+    print "\n"
+    print "\t" unless defined?($same_line)
+    
     puts $!.inspect + ' ' + $!.to_s
 
     max = 0
     $!.backtrace.each{|bt_line| max = [bt_line.length, max].max}
 
@@ -27,10 +29,11 @@
      
       "%-#{max + 1}s #{"\n\t" unless defined?($same_line)}%s" % [bt_line, (actual_line.strip if actual_line)]
     }.compact
     puts backtrace_with_code
     puts # blank line
-    $!.set_backtrace [] # avoid the original backtrace being outputted--though annoyingly it does still output its #to_s...
+    # for some reason this can be nil...
+    $!.set_backtrace [] if $! # avoid the original backtrace being outputted--though annoyingly it does still output its #to_s...
     
   else
     puts "(backtracer: no exception found to backtrace)" if $VERBOSE
   end
   # exit! TODO I guess do this once ours isn't *so* ugly