Add UpToDateThemes validator to setup:db:status

[peterjaap]

Description (*)

Running bin/magento setup:db:status right now does not check whether there is a theme update. If the only change in the deploy is a theme being added, bin/magento setup:db:status will now show;

$ bin/magento setup:db:status
All modules are up to date.

However if you were to run bin/magento setup:upgrade, you'd get this message;

$ bin/magento setup:upgrade
Processing configurations data from configuration file...
The following themes will be registered: frontend/Hyva/Elgentos
Do you want to continue [yes/no]?

With the change in this MR, we'll get this output from setup:db:status;

$ bin/magento setup:db:status
Themes are not up to date
Run 'setup:upgrade' to update your DB schema and data.

Since we rely on the output of setup:db:status to decide whether or not to run setup:upgrade in our deployment pipeline (to make near-zero downtime deployments possible), this is tripping us up from time to time.

This PR aims to add a validator to check whether there are theme changes, forcing setup:upgrade to run.

Thanks to @johnorourke for pointing this out.

Resolved issues:

1. resolves [Issue] Add UpToDateThemes validator to setup:db:status #39385: Add UpToDateThemes validator to setup:db:status

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[engcom-Charlie]

@magento create issue

[ihor-sviziev]

@peterjaap, am I right that the bin/magento app:config:import command could also fix it? If so, I think it would be more logical to add it to bin/magento app:config:status command

[peterjaap]

@ihor-sviziev afaik the app:config:import doesn't create/remove themes

[ihor-sviziev]

@peterjaap, could you then provide more details of what does not check whether there is a theme update means? Are you adding a theme to env.php or the database? And what does the bin/magento setup:upgrade command does in this case?

The bin/magento setup:upgrade actually does a lot of things:

magento2/setup/src/Magento/Setup/Console/Command/UpgradeCommand.php

Lines 142 to 161 in f6c904a

	$installer = $this->installerFactory->create(new ConsoleLogger($output));
	$installer->updateModulesSequence($keepGenerated);
	$searchConfig = $this->searchConfigFactory->create();
	$this->cache->clean();
	$searchConfig->validateSearchEngine();
	$installer->installSchema($request);
	$installer->removeUnusedTriggers();
	$installer->installDataFixtures($request, true);
	if ($this->deploymentConfig->isAvailable()) {
	$importConfigCommand = $this->getApplication()->find(ConfigImportCommand::COMMAND_NAME);
	$arrayInput = new ArrayInput([]);
	$arrayInput->setInteractive($input->isInteractive());
	$result = $importConfigCommand->run($arrayInput, $output);
	if ($result === Cli::RETURN_FAILURE) {
	throw new RuntimeException(
	__('%1 failed. See previous output.', ConfigImportCommand::COMMAND_NAME)
	);
	}
	}

And I don't see anything related to theme (maybe it's hidden somewhere)