public function testMirrorCopiesRelativeLinkedContents()
 {
     $this->markAsSkippedIfSymlinkIsMissing();
     $sourcePath = $this->workspace . DIRECTORY_SEPARATOR . 'source' . DIRECTORY_SEPARATOR;
     $oldPath = getcwd();
     mkdir($sourcePath . 'nested/', 0777, true);
     file_put_contents($sourcePath . '/nested/file1.txt', 'FILE1');
     // Note: Create relative symlink
     chdir($sourcePath);
     symlink('nested', 'link1');
     chdir($oldPath);
     $targetPath = $this->workspace . DIRECTORY_SEPARATOR . 'target' . DIRECTORY_SEPARATOR;
     $this->filesystem->mirror($sourcePath, $targetPath);
     $this->assertTrue(is_dir($targetPath));
     $this->assertFileEquals($sourcePath . '/nested/file1.txt', $targetPath . DIRECTORY_SEPARATOR . 'link1/file1.txt');
     $this->assertTrue(is_link($targetPath . DIRECTORY_SEPARATOR . 'link1'));
     $this->assertEquals($sourcePath . 'nested', readlink($targetPath . DIRECTORY_SEPARATOR . 'link1'));
 }