From 1d85bfe302be69088977d9c69ea6f17ac748e499 Mon Sep 17 00:00:00 2001
From: "Simon L." <szaimen@e.mail.de>
Date: Tue, 17 Feb 2026 14:43:05 +0100
Subject: [PATCH] fix getting name of mastercontainer if a hash was found

Signed-off-by: Simon L. <szaimen@e.mail.de>
---
 Containers/mastercontainer/start.sh    | 3 +++
 php/src/Docker/DockerActionManager.php | 4 ++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/Containers/mastercontainer/start.sh b/Containers/mastercontainer/start.sh
index ad1734f1..d9968c32 100644
--- a/Containers/mastercontainer/start.sh
+++ b/Containers/mastercontainer/start.sh
@@ -162,6 +162,9 @@ if ! sudo -E -u www-data docker ps --format "{{.Names}}" | grep -q "^nextcloud-a
 Using a different name is not supported since mastercontainer updates will not work in that case!
 If you are on docker swarm and try to run AIO, see https://github.com/nextcloud/all-in-one#can-i-run-this-with-docker-swarm"
     exit 1
+elif ! sudo -E -u www-data docker inspect nextcloud-aio-mastercontainer --format "{{.Config.Image}}" | grep -q '@'; then
+    print_red "It seems like you used a hash for the mastercontainer image tag. This is not supported!"
+    exit 1
 elif ! sudo -E -u www-data docker volume ls --format "{{.Name}}" | grep -q "^nextcloud_aio_mastercontainer$"; then
     print_red "It seems like you did not give the mastercontainer volume the correct name? (The 'nextcloud_aio_mastercontainer' volume was not found.)
 Using a different name is not supported since the built-in backup solution will not work in that case!"
diff --git a/php/src/Docker/DockerActionManager.php b/php/src/Docker/DockerActionManager.php
index d6a52d93..6bdfc487 100644
--- a/php/src/Docker/DockerActionManager.php
+++ b/php/src/Docker/DockerActionManager.php
@@ -649,8 +649,8 @@ readonly class DockerActionManager {
             if (count($imageNameArray) === 2) {
                 $imageName = $imageNameArray[0];
             } else {
-                error_log("No tag was found when getting the current channel. You probably did not follow the documentation correctly. Changing the imageName to the default " . $output['Config']['Image']);
-                $imageName = $output['Config']['Image'];
+                error_log("Unexpected image name was found when getting the current image name of the mastercontainer. You probably did not follow the documentation correctly. Changing the image name to the default 'ghcr.io/nextcloud-releases/all-in-one'.");
+                $imageName = 'ghcr.io/nextcloud-releases/all-in-one';
             }
             apcu_add($cacheKey, $imageName);
             return $imageName;