Compatibility with phpmd 3.x

Hi,

phpmd 2.x is not compatible with php 8.5. The phpmd maintainers recommend to use the 3.x-dev branch instead.

Unfortunately, GrumPHP is not compatible with this branch because the phpmd command was overhauled.

I might be able to provide a PR that adds support for this version, but I'm wondering how to implement it:

Option 1: keep the current phpmd task untouched, add a new task for 3.x (what would be the name?)
Option 2: refactor the current phpmd task to support both phpmd 2.x and 3.x (how to consistently detect the version? maybe an config option?)

Example implementation with a separate task:

<?php

declare(strict_types=1);

namespace GrumPHP\Task;

use GrumPHP\Formatter\ProcessFormatterInterface;
use GrumPHP\Runner\TaskResult;
use GrumPHP\Runner\TaskResultInterface;
use GrumPHP\Task\Config\ConfigOptionsResolver;
use GrumPHP\Task\Context\ContextInterface;
use GrumPHP\Task\Context\GitPreCommitContext;
use GrumPHP\Task\Context\RunContext;
use Symfony\Component\OptionsResolver\OptionsResolver;

/**
 * @extends AbstractExternalTask<ProcessFormatterInterface>
 */
class PhpMd3 extends AbstractExternalTask
{
    public static function getConfigurableOptions(): ConfigOptionsResolver
    {
        $resolver = new OptionsResolver();
        $resolver->setDefaults([
            'whitelist_patterns' => [],
            'exclude' => [],
            'report_format' => 'text',
            'ruleset' => ['phpmd.xml.dist'],
            'triggered_by' => ['php'],
        ]);

        $resolver->addAllowedTypes('whitelist_patterns', ['array']);
        $resolver->addAllowedTypes('exclude', ['array']);
        $resolver->addAllowedTypes('report_format', ['string']);
        $resolver->addAllowedValues('report_format', ['text', 'ansi']);
        $resolver->addAllowedTypes('ruleset', ['array']);
        $resolver->addAllowedTypes('triggered_by', ['array']);

        return ConfigOptionsResolver::fromOptionsResolver($resolver);
    }

    /**
     * {@inheritdoc}
     */
    public function canRunInContext(ContextInterface $context): bool
    {
        return $context instanceof GitPreCommitContext || $context instanceof RunContext;
    }

    /**
     * {@inheritdoc}
     */
    public function run(ContextInterface $context): TaskResultInterface
    {
        $config = $this->getConfig()->getOptions();

        $whitelistPatterns = $config['whitelist_patterns'];
        $extensions = $config['triggered_by'];

        $files = $context->getFiles();
        if (\count($whitelistPatterns)) {
            $files = $files->paths($whitelistPatterns);
        }
        $files = $files->extensions($extensions);

        if (0 === \count($files)) {
            return TaskResult::createSkipped($this, $context);
        }

        $arguments = $this->processBuilder->createArgumentsForCommand('phpmd');
        $arguments->add('analyze');
        $arguments->addOptionalArgument('--format=%s', $config['report_format']);

        foreach ($config['ruleset'] as $ruleset) {
            $arguments->addOptionalArgument('--ruleset=%s', $ruleset);
        }

        foreach ($config['exclude'] as $exclude) {
            $arguments->addOptionalArgument('--exclude=%s', $exclude);
        }

        foreach ($extensions as $extension) {
            $arguments->addOptionalArgument('--suffixes=%s', $extension);
        }

        $arguments->addFiles($files);

        $process = $this->processBuilder->buildProcess($arguments);
        $process->run();

        if (!$process->isSuccessful()) {
            return TaskResult::createFailed($this, $context, $this->formatter->format($process));
        }

        return TaskResult::createPassed($this, $context);
    }
}

Thanks for reporting.

phpmd v3 is still under development?
What's the plan of the project?

I'm not sure what the best approach is. We once did a php-cs-fixer2 task which we eventually merged back to php-cs-fixer.
But of course there will be a period in between where both need to be available.
So maybe just adding a task phpmd3 would be fine for now? How do you see this?

phpmd v3 is still under development? What's the plan of the project?

Apparently so, I discussed with the maintainers here: phpmd/phpmd#1280

What's the plan of the project?

From my understanding 3.x-dev will be released to 3.0.0 when it's ready.
In the link provided above the maintainers said that the command-line is already stable enough in 3.x-dev.

I'm not sure what the best approach is. We once did a php-cs-fixer2 task which we eventually merged back to php-cs-fixer.
But of course there will be a period in between where both need to be available.
So maybe just adding a task phpmd3 would be fine for now? How do you see this?

It's an option, yes.
e.g. merging phpmd3 into phpmd when 3.0.0 is officially released.

But it would break all projects:

Projects that run phpmd3 would need to rename the task from phpmd3 to phpmd
Projects that run phpmd2 would need to upgrade to phpmd3

@veewee

@veewee are you OK with a new task temporarily named phpmd3? If so I can finalize my PR #1210

I'm not opposed to it, but ad long as there is no stable release I can't really merge given it's a BC liability.
So idd say just finish it and I'll merge once it's stable?

I'm not opposed to it, but ad long as there is no stable release I can't really merge given it's a BC liability. So idd say just finish it and I'll merge once it's stable?

The 2.x branch does not work with recent php versions (8.4+ iirc) and the maintainers don't want to continue updating it.

So for projects that use PHP >=8.4, the 3.x-dev branch already is the most stable version unfortunately (it is the only one that can be used).

I know, but that sounds more of a phpmd problem than it is a grumphp problem from my point of view ...

Fair enough that it's the phpmd problem, but there will be a collision anyway when 3.0.0 is released (e.g. will have to create phpmd2 and phpmd main will be for version 3, it won't work for everyone who didn't upgrade in time otherwise)

@novikor

@novikor, you might misunderstand: I am good with the PR, but I will only merge it once v3 is released.

@veewee

@veewee Looks like phpmd 3.0 is released 🎉

Fixed in #1210

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