[Console] Fix color support

theofidry · theofidry · commit 74edb048f75d · 2024-01-31T21:52:27.000+01:00
diff --git a/src/Symfony/Component/Console/Output/StreamOutput.php b/src/Symfony/Component/Console/Output/StreamOutput.php
@@ -13,6 +13,7 @@
 
 use Symfony\Component\Console\Exception\InvalidArgumentException;
 use Symfony\Component\Console\Formatter\OutputFormatterInterface;
+use function preg_match;
 
 /**
  * StreamOutput writes the output to a given stream.
@@ -106,10 +107,22 @@ protected function hasColorSupport()
             return true;
         }
 
-        return 'Hyper' === getenv('TERM_PROGRAM')
+        if ('Hyper' === getenv('TERM_PROGRAM')
+            || false !== getenv('COLORTERM')
             || false !== getenv('ANSICON')
             || 'ON' === getenv('ConEmuANSI')
-            || str_starts_with((string) getenv('TERM'), 'xterm');
+        ) {
+            return true;
+        }
+
+        $term = (string) getenv('TERM');
+
+        if ('dumb' === $term) {
+            return false;
+        }
+
+        // See https://github.com/chalk/supports-color/blob/d4f413efaf8da045c5ab440ed418ef02dbb28bf1/index.js#L157
+        return 1 === @preg_match('/^((xterm|screen|putty|rxvt|linux).*)|(.*-256color(-bce)?)$/', $term);
     }
 
     /**
diff --git a/src/Symfony/Component/Console/composer.json b/src/Symfony/Component/Console/composer.json
@@ -17,6 +17,7 @@
     ],
     "require": {
         "php": ">=7.2.5",
+        "ext-pcre": "*",
         "symfony/deprecation-contracts": "^2.1|^3",
         "symfony/polyfill-mbstring": "~1.0",
         "symfony/polyfill-php73": "^1.9",
