Turning logs writing problem from warning into an error

... and also making it smart enough to create the directory if it doesn't exist

Author: weaverryan

src/Command/BuildDocsCommand.php

@@ -133,7 +133,8 @@ protected function execute(InputInterface $input, OutputInterface $output)
                 array_unshift($buildErrors, sprintf('Build errors from "%s"', date('Y-m-d h:i:s')));
             }
 
-            file_put_contents($logPath, implode("\n", $buildErrors));
+            $filesystem = new Filesystem();
+            $filesystem->dumpFile($logPath, implode("\n", $buildErrors));
         }
 
         $metas = $builder->getMetas();