scripts/hook in rvm-1.0.4 vs scripts/hook in rvm-1.0.5

@@ -3,10 +3,10 @@
 declare rvm_verbose_flag=${rvm_verbose_flag:-0}
 declare rvm_hook=${rvm_hook:-""}
 
 if [[ -n "$rvm_hook" ]] ; then
   if [[ -s "$rvm_hooks_path/$rvm_hook" ]] ; then
-    if [[ $rvm_verbose_flag -eq 1 ]] || [[ "$rvm_debug_flag" -eq 1 ]] ; then
+    if [[ ${rvm_verbose_flag:-0} -gt 0 || ${rvm_debug_flag:-0} -gt 0 ]] ; then
       "$rvm_scripts_path/log" "info" "running hook $rvm_hook"
     fi
     source "$rvm_hooks_path/$rvm_hook"
   fi
 fi