Fixed Debian13 containers being unable to start after upgrade

* This was caused by outdated SystemD generator, this file will be updated when upgrading the container

ReleaseUpgradeALL.sh

@@ -60,6 +60,15 @@ if $DoDebianReleaseUpdate; then
           * ) echo "Choose yes or no.";;
       esac
   done
+
+  if [ "${NewDebianVersion}" = "trixie" ]; then
+    curl -o /tmp/lxc.generator "https://raw.githubusercontent.com/lxc/distrobuilder/refs/heads/main/distrobuilder/lxc.generator"
+      # Check if the download was successful
+      if [ $? -ne 0 ]; then
+        echo "Downloading of lxc.generator from github failed. Exiting."
+        exit 1
+      fi
+  fi
 fi
 if $DoAlpineReleaseUpdate; then
 echo "Enter the Alpine version to upgrade to"

ReleaseUpgradeOne.sh

@@ -78,6 +78,15 @@ if [[ "${DIST}" == *"debian"* ]]; then
             * ) echo "Choose yes or no.";;
         esac
     done
+
+    if [ "${NewDebianVersion}" = "trixie" ]; then
+        curl -o /tmp/lxc.generator "https://raw.githubusercontent.com/lxc/distrobuilder/refs/heads/main/distrobuilder/lxc.generator"
+        # Check if the download was successful
+        if [ $? -ne 0 ]; then
+            echo "Downloading of lxc.generator from github failed. Exiting."
+            exit 1
+        fi
+    fi
 elif [[ "${DIST}" == *"alpine"* ]]; then
     #Ask the wanted Alpine version
     DoAlpineReleaseUpdate=true

functions.sh

@@ -182,6 +182,7 @@ UpgradeRelease () {
          DOREBOOT=true
          # Post release cleanup if required
          if [ "${NewDebianVersion}" = "trixie" ]; then PostDebianTrixieTasks; fi
+         if [ "${NewDebianVersion}" = "trixie" ]; then CTOnlyPostDebianTrixieTasks; fi
        else
          echo "Notice: Skiped, already up-to-date"
        fi
@@ -260,13 +261,17 @@ PostDebianTrixieTasks () {
     $INSTCALL -- apt modernize-sources -y
     $INSTCALL -- rm -f /etc/apt/sources.list.bak
     $INSTCALL -- rm -f /etc/apt/sources.list.d/*.bak
+    $INSTCALL -- systemctl mask tmp.mount
+}   
 
+CTOnlyPostDebianTrixieTasks () {
     # Disable unwanted mounts
     $INSTCALL -- systemctl mask dev-mqueue.mount
     $INSTCALL -- systemctl mask run-lock.mount 
     $INSTCALL -- systemctl mask sys-kernel-config.mount 
     $INSTCALL -- systemctl mask sys-kernel-debug.mount 
-    $INSTCALL -- systemctl mask tmp.mount
+    $INSTCALL -- rm /etc/systemd/system-generators/lxc
+    pct push $CTID /tmp/lxc.generator /etc/systemd/system-generators/lxc --perms 755
 }
 
 PostAlpine323Tasks () {