From c6709e44af4bee976ab2342145916f001c45f8b1 Mon Sep 17 00:00:00 2001
From: Robin Kluth <kontakt@kluthr.de>
Date: Sat, 15 Apr 2023 22:08:54 +0200
Subject: [PATCH] Skip empty (mapped rootfs) volumes. Sidenote: They result in
 empty strings for tar (because of rtrim) but we should actively sort them out
 anyway.

---
 src/include/ABHelper.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/include/ABHelper.php b/src/include/ABHelper.php
index 485b0d3..9bc0a75 100644
--- a/src/include/ABHelper.php
+++ b/src/include/ABHelper.php
@@ -415,7 +415,11 @@ public static function getContainerVolumes($container) {
 
         $volumes = [];
         foreach ($container['Volumes'] ?? [] as $volume) {
-            $hostPath  = explode(":", $volume)[0];
+            $hostPath = rtrim(explode(":", $volume)[0], '/');
+            if (empty($hostPath)) {
+                self::backupLog("This volume is empty (rootfs mapped??)! Ignoring.", self::LOGLEVEL_DEBUG);
+                continue;
+            }
             $volumes[] = rtrim($hostPath, '/');
         }
         return $volumes;