Merge branch 'bugfix/drupal-project-109-rename-across-filesystems' of h…

…ttps://github.com/jpstacey/Robo into jpstacey-bugfix/drupal-project-109-rename-across-filesystems

src/Task/Archive/Extract.php

@@ -89,10 +89,10 @@ public function run()
             $filesInExtractLocation = glob("$extractLocation/*");
             $hasEncapsulatingFolder = ((count($filesInExtractLocation) == 1) && is_dir($filesInExtractLocation[0]));
             if ($hasEncapsulatingFolder && !$this->preserveTopDirectory) {
-                rename($filesInExtractLocation[0], $this->to);
+                $this->renameSafely($filesInExtractLocation[0], $this->to);
                 rmdir($extractLocation);
             } else {
-                rename($extractLocation, $this->to);
+                $this->renameSafely($extractLocation, $this->to);
             }
         }
         $this->stopTimer();
@@ -101,6 +101,24 @@ public function run()
         return $result;
     }
 
+    /**
+     * Rename a file or directory, coping with cross-partition PHP bug.
+     *
+     * @see https://bugs.php.net/bug.php?id=54097
+     *
+     * @param string $from
+     *   Location to rename from.
+     * @param string $to
+     *   Location to rename to.
+     */
+    protected function renameSafely($from, $to)
+    {
+        if (@rename($from, $to)) {
+            return;
+        }
+        exec("mv " . escapeshellarg($from) . " " . escapeshellarg($to));
+    }
+
     protected function extractZip($extractLocation)
     {
         $result = $this->checkExtension('zip extracter', 'zlib');