From 2f256291aee0295a7495f878cafb18481a742011 Mon Sep 17 00:00:00 2001
From: Julien Fontanet <julien.fontanet@isonoe.net>
Date: Fri, 11 May 2018 20:16:00 +0200
Subject: [PATCH] fix(xo-server/backup legacy/delta import): autofix path
 (#2941)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Because the path might be incorrect and be `_full.vhd` instead of `_delta.vhd`.

I know…
---
 packages/xo-server/src/xo-mixins/backups.js | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/packages/xo-server/src/xo-mixins/backups.js b/packages/xo-server/src/xo-mixins/backups.js
index 805fa0f6d..c6d9ca822 100644
--- a/packages/xo-server/src/xo-mixins/backups.js
+++ b/packages/xo-server/src/xo-mixins/backups.js
@@ -815,10 +815,17 @@ export default class {
 
       await Promise.all(
         mapToArray(delta.vdis, async (vdi, id) => {
-          streams[`${id}.vhd`] = await createVhdReadStream(
-            handler,
-            `${basePath}/${vdi.xoPath}`
-          )
+          let path = `${basePath}/${vdi.xoPath}`
+          try {
+            await handler.getSize(path)
+          } catch (error) {
+            if (error == null || error.code !== 'ENOENT') {
+              throw error
+            }
+
+            path = path.replace(/_delta\.vhd$/, '_full')
+          }
+          streams[`${id}.vhd`] = await createVhdReadStream(handler, path)
         })
       )