From c29720743a6f3ef7dce9ee39fd0415a1c9440f11 Mon Sep 17 00:00:00 2001
From: Dan Stillman <dstillman@zotero.org>
Date: Thu, 8 Aug 2013 14:31:53 -0400
Subject: [PATCH] Fix file sync error in Gecko 23+ if local file path is too
 long

---
 chrome/content/zotero/xpcom/storage.js | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/chrome/content/zotero/xpcom/storage.js b/chrome/content/zotero/xpcom/storage.js
index 310eb69ee7..b04e7918d0 100644
--- a/chrome/content/zotero/xpcom/storage.js
+++ b/chrome/content/zotero/xpcom/storage.js
@@ -1058,7 +1058,12 @@ Zotero.Sync.Storage = new function () {
 					}
 				})
 				.catch(function (e) {
-					if (e instanceof OS.File.Error && e.becauseNoSuchFile) {
+					if (e instanceof OS.File.Error &&
+							(e.becauseNoSuchFile
+							// This can happen if a path is too long on Windows,
+							// e.g. a file is being accessed on a VM through a share
+							// (and probably in other cases).
+							|| (e.winLastError && e.winLastError == 3))) {
 						Zotero.debug("Marking attachment " + lk + " as missing");
 						updatedStates[item.id] = Zotero.Sync.Storage.SYNC_STATE_TO_DOWNLOAD;
 						return;