in the console command diagnostics:run, display a success message when all...

in the console command diagnostics:run, display a success message when all checks are green (#12342)

plugins/Diagnostics/Commands/Run.php

@@ -9,6 +9,7 @@
 namespace Piwik\Plugins\Diagnostics\Commands;
 
 use Piwik\Container\StaticContainer;
+use Piwik\Piwik;
 use Piwik\Plugin\ConsoleCommand;
 use Piwik\Plugins\Diagnostics\Diagnostic\DiagnosticResult;
 use Piwik\Plugins\Diagnostics\Diagnostic\DiagnosticResultItem;
@@ -65,6 +66,10 @@ class Run extends ConsoleCommand
             return 1;
         }
 
+        if(!$report->hasWarnings() && !$report->hasErrors()) {
+            $output->writeln(sprintf('<info>%s</info>', Piwik::translate('Installation_SystemCheckSummaryNoProblems')));
+        }
+
         return 0;
     }