Issue #2973026 by dame: Replaced exec in remove Git Repositories with Symfony...

Issue #2973026 by dame: Replaced exec in remove Git Repositories with Symfony Finder & File System to work with Windows and Linux

src/composer/ScriptHandler.php

@@ -109,7 +109,12 @@ class ScriptHandler {
    */
   public static function removeGitDirectories() {
     $drupal_root = static::getDrupalRoot(getcwd());
-    exec("find " . $drupal_root . " -name '.git' | xargs rm -rf");
+
+    if (strtoupper(substr(PHP_OS, 0, 3)) === 'WIN') {
+      self::removeWindowsGitDirectories($drupal_root);
+    } else {
+      exec("find " . $drupal_root . " -name '.git' | xargs rm -rf");
+    }
   }
 
   /**
@@ -151,4 +156,43 @@ class ScriptHandler {
     }
   }
 
+  /**
+   * Find and return the path to .git repository in root folder
+   * @param string $root
+   */
+  private static function removeWindowsGitDirectories($root) {
+    foreach (scandir($root) as $dirOrFile) {
+      if ('.' === $dirOrFile || '..' === $dirOrFile ) {
+        continue;
+      }
+
+      if ('.git' === $dirOrFile){
+        self::rmdirWindows($root.'/.git');
+      } elseif(!is_file($root.'/'.$dirOrFile)) {
+        self::removeWindowsGitDirectories($root.'/'.$dirOrFile);
+      }
+    }
+  }
+
+  /**
+   * Remove a directory on Windows
+   * @param string $dirname
+   */
+  private static function rmdirWindows($dirname) {
+    if (is_file($dirname)) {
+      unlink($dirname);
+      return;
+    }
+
+    $dir = dir($dirname);
+    while (false !== $entry = $dir->read()) {
+      if ($entry === '.' || $entry === '..') {
+        continue;
+      }
+      self::rmdirWindows("$dirname/$entry");
+    }
+
+    $dir->close();
+    rmdir($dirname);
+  }
 }