From 0525f998c88bafb94625d4e08dd1cedbb87c8a02 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Mon, 27 Feb 2017 14:55:16 +0100
Subject: [PATCH] Fix usage of StoreId::exists() -> raise Error if error occurs

---
 libimagruby/src/storeid.rs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/libimagruby/src/storeid.rs b/libimagruby/src/storeid.rs
index a8200649..ce3f50a7 100644
--- a/libimagruby/src/storeid.rs
+++ b/libimagruby/src/storeid.rs
@@ -19,7 +19,7 @@
 
 use std::path::PathBuf;
 
-use ruru::{Class, Object, AnyObject, Boolean, RString, NilClass, VerifiedObject};
+use ruru::{Class, Object, AnyObject, Boolean, RString, NilClass, VerifiedObject, VM};
 
 use libimagstore::storeid::StoreId;
 use util::Unwrap;
@@ -116,7 +116,15 @@ methods!(
     }
 
     fn r_storeid_exists() -> Boolean {
-        Boolean::new(itself.get_data(&*STOREID_WRAPPER).exists())
+        use std::error::Error;
+
+        match itself.get_data(&*STOREID_WRAPPER).exists() {
+            Ok(bool) => Boolean::new(bool),
+            Err(e) => {
+                VM::raise(Class::from_existing("RuntimeError"), e.description());
+                Boolean::new(false)
+            }
+        }
     }
 
     fn r_storeid_to_str() -> AnyObject {