Import fails on Call to a member function getUID() on null

[helmo]

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Steps to reproduce

1. Export account from standalone Nextcloud 32.0.5
2. Set up new AOI instance
3. copy zip file to new data dir
4. docker exec -t --user www-data nextcloud-aio-nextcloud php occ user:import /mnt/ncdata/testuser_2026-01-23_19-17-16.zip

Expected behaviour

A successful import without error messages.

Actual behaviour

Tell us what happens instead, if possible also add a screenshot

Error: Call to a member function getUID() on null in /var/www/html/custom_apps/user_migration/lib/Command/Import.php:80
Stack trace:
#0 /var/www/html/3rdparty/symfony/console/Command/Command.php(326): OCA\UserMigration\Command\Import->execute(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#1 /var/www/html/3rdparty/symfony/console/Application.php(1083): Symfony\Component\Console\Command\Command->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#2 /var/www/html/3rdparty/symfony/console/Application.php(324): Symfony\Component\Console\Application->doRunCommand(Object(OCA\UserMigration\Command\Import), Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#3 /var/www/html/3rdparty/symfony/console/Application.php(175): Symfony\Component\Console\Application->doRun(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#4 /var/www/html/lib/private/Console/Application.php(187): Symfony\Component\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput), Object(Symfony\Component\Console\Output\ConsoleOutput))
#5 /var/www/html/console.php(90): OC\Console\Application->run(Object(Symfony\Component\Console\Input\ArgvInput))
#6 /var/www/html/occ(33): require_once('/var/www/html/c...')

With this mockup patch the import runs fine and prints both success messages.

diff --git lib/Command/Import.php lib/Command/Import.php
index 28f474c..f987449 100644
--- lib/Command/Import.php
+++ lib/Command/Import.php
@@ -77,7 +77,9 @@ class Import extends Command {
                        $importSource = new ImportSource($path);
                        $this->migrationService->import($importSource, $user, $io);
                        /* Reset exported state of user after import */
-                       $this->config->deleteUserValue($user->getUID(), Application::APP_ID, 'lastExport');
+                       if (!empty($user)) {
+                               $this->config->deleteUserValue($user->getUID(), Application::APP_ID, 'lastExport');
+                       }
                        $io->writeln("Successfully imported from {$path}");
                } catch (\Exception $e) {
                        if ($io->isDebug()) {

I think the problem is that $user is not passed by reference, thus when no --user option is given it remains NULL in this scope.

Successfully imported testuser
Successfully imported from /mnt/ncdata/testuser_2026-01-23_19-17-16.zip

Server configuration

Web server: Apache

Database: PostgreSQL

PHP version: 8.3.29

Nextcloud version: 32.0.4