Add AI agent detection to auto-switch to raw output

src/Command/AgentDetector.php

@@ -0,0 +1,31 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Command;
+
+use function getenv;
+use function is_string;
+use function trim;
+
+final class AgentDetector
+{
+
+	public static function isAgentDetected(): bool
+	{
+		$aiAgent = getenv('AI_AGENT');
+		if (is_string($aiAgent) && trim($aiAgent) !== '') {
+			return true;
+		}
+
+		return getenv('CURSOR_TRACE_ID') !== false
+			|| getenv('CURSOR_AGENT') !== false
+			|| getenv('GEMINI_CLI') !== false
+			|| getenv('CODEX_SANDBOX') !== false
+			|| getenv('AUGMENT_AGENT') !== false
+			|| getenv('OPENCODE_CLIENT') !== false
+			|| getenv('OPENCODE') !== false
+			|| getenv('CLAUDECODE') !== false
+			|| getenv('CLAUDE_CODE') !== false
+			|| getenv('REPLIT_AGENT') !== false;
+	}
+
+}

src/Command/AnalyseCommand.php

@@ -235,11 +235,16 @@ protected function execute(InputInterface $input, OutputInterface $output): int
 			$errorFormat = $inceptionResult->getContainer()->getParameter('errorFormat');
 		}
 
+		$container = $inceptionResult->getContainer();
+
+		if ($errorFormat === null && AgentDetector::isAgentDetected()) {
+			$errorFormat = 'raw';
+		}
+
 		if ($errorFormat === null) {
 			$errorFormat = 'table';
 		}
 
-		$container = $inceptionResult->getContainer();
 		$errorFormatterServiceName = sprintf('errorFormatter.%s', $errorFormat);
 		if (!$container->hasService($errorFormatterServiceName)) {
 			$errorOutput->writeLineFormatted(sprintf(

src/Command/ErrorsConsoleStyle.php

@@ -32,7 +32,8 @@ final class ErrorsConsoleStyle extends SymfonyStyle
 	public function __construct(InputInterface $input, OutputInterface $output)
 	{
 		parent::__construct($input, $output);
-		$this->showProgress = $input->hasOption(self::OPTION_NO_PROGRESS) && !(bool) $input->getOption(self::OPTION_NO_PROGRESS);
+		$showProgress = $input->hasOption(self::OPTION_NO_PROGRESS) && !(bool) $input->getOption(self::OPTION_NO_PROGRESS);
+		$this->showProgress = $showProgress && !AgentDetector::isAgentDetected();
 	}
 
 	private function isCiDetected(): bool
@@ -95,9 +96,10 @@ public function createProgressBar(int $max = 0): ProgressBar
 		}
 
 		$ci = $this->isCiDetected();
-		$this->progressBar->setOverwrite(!$ci);
+		$agent = AgentDetector::isAgentDetected();
+		$this->progressBar->setOverwrite(!$ci && !$agent);
 
-		if ($ci) {
+		if ($ci || $agent) {
 			$this->progressBar->minSecondsBetweenRedraws(15);
 			$this->progressBar->maxSecondsBetweenRedraws(30);
 		} elseif (DIRECTORY_SEPARATOR === '\\') {

tests/PHPStan/Command/AgentDetectorTest.php

@@ -0,0 +1,77 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Command;
+
+use Override;
+use PHPUnit\Framework\TestCase;
+use function putenv;
+
+class AgentDetectorTest extends TestCase
+{
+
+	private const ENV_VARS = [
+		'AI_AGENT',
+		'CURSOR_TRACE_ID',
+		'CURSOR_AGENT',
+		'GEMINI_CLI',
+		'CODEX_SANDBOX',
+		'AUGMENT_AGENT',
+		'OPENCODE_CLIENT',
+		'OPENCODE',
+		'CLAUDECODE',
+		'CLAUDE_CODE',
+		'REPLIT_AGENT',
+	];
+
+	#[Override]
+	protected function setUp(): void
+	{
+		foreach (self::ENV_VARS as $var) {
+			putenv($var);
+		}
+	}
+
+	#[Override]
+	protected function tearDown(): void
+	{
+		foreach (self::ENV_VARS as $var) {
+			putenv($var);
+		}
+	}
+
+	public function testReturnsFalseWithNoEnvVars(): void
+	{
+		$this->assertFalse(AgentDetector::isAgentDetected());
+	}
+
+	public function testReturnsTrueWithAiAgent(): void
+	{
+		putenv('AI_AGENT=test');
+		$this->assertTrue(AgentDetector::isAgentDetected());
+	}
+
+	public function testReturnsFalseWithEmptyAiAgent(): void
+	{
+		putenv('AI_AGENT=');
+		$this->assertFalse(AgentDetector::isAgentDetected());
+	}
+
+	public function testReturnsTrueWithClaudeCode(): void
+	{
+		putenv('CLAUDE_CODE=1');
+		$this->assertTrue(AgentDetector::isAgentDetected());
+	}
+
+	public function testReturnsTrueWithCursorTraceId(): void
+	{
+		putenv('CURSOR_TRACE_ID=abc');
+		$this->assertTrue(AgentDetector::isAgentDetected());
+	}
+
+	public function testReturnsTrueWithReplitAgent(): void
+	{
+		putenv('REPLIT_AGENT=1');
+		$this->assertTrue(AgentDetector::isAgentDetected());
+	}
+
+}