symfony
diff --git a/‎src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php
Copy file name to clipboardExpand all lines: src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php
+6Lines changed: 6 additions & 0 deletions b/‎src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php
Copy file name to clipboardExpand all lines: src/Symfony/Bridge/PhpUnit/bin/simple-phpunit.php
+6Lines changed: 6 additions & 0 deletions
@@ -157,6 +157,11 @@
     ? ('#!/usr/bin/env php' === file_get_contents($COMPOSER, false, null, 0, 18) ? $PHP : '').' '.escapeshellarg($COMPOSER) // detect shell wrappers by looking at the shebang
     : 'composer';
 
+$prevCacheDir = getenv('COMPOSER_CACHE_DIR');
+if ($prevCacheDir && !(0 === strpos($prevCacheDir, '/') || ':' === substr($prevCacheDir, 1, 1) || 0 === strpos($prevCacheDir, '\\\\'))) {
+    $absoluteCacheDir = $oldPwd.'/'.$prevCacheDir;
+    putenv("COMPOSER_CACHE_DIR=$absoluteCacheDir");
+}
 $SYMFONY_PHPUNIT_REMOVE = $getEnvVar('SYMFONY_PHPUNIT_REMOVE', 'phpspec/prophecy'.($PHPUNIT_VERSION < 6.0 ? ' symfony/yaml' : ''));
 $configurationHash = md5(implode(\PHP_EOL, [md5_file(__FILE__), $SYMFONY_PHPUNIT_REMOVE, (int) $PHPUNIT_REMOVE_RETURN_TYPEHINT]));
 $PHPUNIT_VERSION_DIR = sprintf('phpunit-%s-%d', $PHPUNIT_VERSION, $PHPUNIT_REMOVE_RETURN_TYPEHINT);
@@ -239,6 +244,7 @@
     // --no-suggest is not in the list to keep compat with composer 1.0, which is shipped with Ubuntu 16.04LTS
     $exit = proc_close(proc_open("$q$COMPOSER install --no-dev --prefer-dist --no-progress $q", [], $p, getcwd()));
     putenv('COMPOSER_ROOT_VERSION'.(false !== $prevRoot ? '='.$prevRoot : ''));
+    putenv("COMPOSER_CACHE_DIR=$prevCacheDir");
     if ($exit) {
         exit($exit);
     }