refactored the previous merge to avoid breaking BC

SensioLabs/Security/Command/SecurityCheckerCommand.php

@@ -12,7 +12,6 @@
 namespace SensioLabs\Security\Command;
 
 use SensioLabs\Security\SecurityChecker;
-use SensioLabs\Security\SecurityException;
 use Symfony\Component\Console\Command\Command;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -64,16 +63,16 @@ protected function execute(InputInterface $input, OutputInterface $output)
     {
         try {
             $data = $this->checker->check($input->getArgument('lock'), $input->getOption('format'));
-        } catch (SecurityException $e) {
-            $output->write($e->getMessage());
-
-            return 1;
         } catch (\Exception $e) {
             $output->writeln($this->getHelperSet()->get('formatter')->formatBlock($e->getMessage(), 'error', true));
 
             return 1;
         }
 
         $output->write($data);
+
+        if ($this->checker->getLastVulnerabilityCount() > 0) {
+            return 1;
+        }
     }
 }

SensioLabs/Security/SecurityChecker.php

@@ -13,6 +13,8 @@
 
 class SecurityChecker
 {
+    private $vulnerabilitiesCount;
+
     /**
      * Checks a composer.lock file.
      *
@@ -109,11 +111,13 @@ public function check($lock, $format = 'text')
             throw new \RuntimeException('The web service did not return alerts count');
         }
 
-        $vulnerabilitiesCount = intval($matches[1]);
-        if ($vulnerabilitiesCount > 0) {
-            throw new SecurityException($body, $vulnerabilitiesCount);
-        }
+        $this->vulnerabilitiesCount = intval($matches[1]);
 
         return $body;
     }
+
+    public function getLastVulnerabilityCount()
+    {
+        return $this->vulnerabilitiesCount;
+    }
 }