disk-usage in rvm-1.0.6

- old
+ new

@@ -13,14 +13,15 @@
 disk_usage_for_directory() {
   du -hs "$1" | awk '{print $1}'
 }
 
 disk_usage() {
-  eval "local current_path=\"\$rvm_${2}_path\""
+  local current_path
+  eval "current_path=\"\$rvm_${2}_path\""
   if [[ -n "$current_path" && -d "$current_path" && "$current_path" != "/" ]]; then
     echo "$1 Usage: $(disk_usage_for_directory "$current_path")"
   fi
-  unset current_path
+  return 0
 }
 
 all_disk_usage() {
   archives_disk_usage
   repos_disk_usage