From 0be04eac3063084398650e669ddcf3cff1da4d74 Mon Sep 17 00:00:00 2001
From: Bob Sun <bob@mssun.me>
Date: Wed, 15 Feb 2017 21:48:06 +0800
Subject: [PATCH] check if changes before save context

---
 pass/Models/PasswordStore.swift | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/pass/Models/PasswordStore.swift b/pass/Models/PasswordStore.swift
index 3b19c4e..e72ff28 100644
--- a/pass/Models/PasswordStore.swift
+++ b/pass/Models/PasswordStore.swift
@@ -197,7 +197,9 @@ class PasswordStore {
             passwordEntity.synced = true
         }
         do {
-            try context.save()
+            if context.hasChanges {
+                try context.save()
+            }
         } catch {
             fatalError("Failed to save: \(error)")
         }