[Console] Fix color support

theofidry · theofidry · commit 50b0051c78f8 · 2024-02-02T16:54:02.000+01:00
diff --git a/src/Symfony/Component/Console/Output/StreamOutput.php b/src/Symfony/Component/Console/Output/StreamOutput.php
@@ -106,10 +106,22 @@ 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' === $term) {
+            return false;
+        }
+
+        // See https://github.com/chalk/supports-color/blob/d4f413efaf8da045c5ab440ed418ef02dbb28bf1/index.js#L157
+        return 1 === @preg_match('/^((screen|xterm|vt100|vt220|putty|rxvt|ansi|cygwin|linux).*)|(.*-256(color)?(-bce)?)$/', $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",
