lepos: Handle lepol error

lepolでエラー終了したときにcdしないように

src/lepos.bash

@@ -5,6 +5,13 @@ function lepos {
     else
         local path
         path=$(lepol "$@")
+        status=$?
+        if [[ $status -ne 0 ]]; then
+            echo "lepol failed with status $status"
+            echo $path
+            return $status
+        fi
+
         if [[ $path != "" ]]; then
             echo "Change directory to $path"
             \cd "$path"