video-setup: kill existing processes

lib/Command/VideoSetup.php

@@ -130,6 +130,8 @@ class VideoSetup extends Command
             $this->config->setSystemValue('memories.no_transcode', true);
             $output->writeln('<error>Transcoding and HLS are now disabled</error>');
 
+            $this->killGoVod($output, $goVodPath);
+
             return 0;
         }
 
@@ -157,6 +159,8 @@ class VideoSetup extends Command
             $this->config->setSystemValue('memories.qsv', false);
         }
 
+        $this->killGoVod($output, $goVodPath);
+
         return 0;
     }
 
@@ -183,4 +187,10 @@ class VideoSetup extends Command
 
         return 0;
     }
+
+    protected function killGoVod(OutputInterface $output, string $path): void
+    {
+        $output->writeln("\nKilling any existing go-vod processes");
+        \OCA\Memories\Util::pkill($path);
+    }
 }

lib/Util.php

@@ -157,6 +157,11 @@ class Util
      */
     public static function pkill(string $name): void
     {
+        // don't kill everything
+        if (empty($name)) {
+            return;
+        }
+
         // get pids using ps as array
         $pids = shell_exec("ps -ef | grep {$name} | grep -v grep | awk '{print $2}'");
         if (null === $pids || empty($pids)) {