Add option to keep exit code in build command (#18)

Author: mamazu

Build/BuilderInterface.php

@@ -25,6 +25,8 @@ public function getDependencies();
 
     /**
      * Execute the build logic
+     *
+     * @return int|null
      */
     public function build();
 

Command/BuildCommand.php

@@ -82,6 +82,7 @@ public function configure()
 
         $this->addArgument('target', InputArgument::OPTIONAL, 'Target to build', null);
         $this->addOption('nodeps', 'D', InputOption::VALUE_NONE, 'Ignore dependencies');
+        $this->addOption('keep-exit-code', '-k', InputOption::VALUE_NONE, 'Keep the exit code of a job if it fails');
     }
 
     /**
@@ -114,17 +115,20 @@ public function execute(InputInterface $input, OutputInterface $output)
             if (!$this->question->ask($input, $output, $question)) {
                 $this->output->writeln('Bye!');
 
-                return;
+                return 0;
             }
         }
 
         $this->output->writeln('');
-        $this->runBuilders($builders);
+        $exitCode = $this->runBuilders($builders);
 
         $end = microtime(true);
 
         $this->output->writeln(sprintf('<info>Done (%ss)</info>', number_format($end - $start, 2)));
 
+        if($exitCode !== 0 && $input->getOption('keep-exit-code')) {
+            return $exitCode;
+        }
         return 0;
     }
 
@@ -172,6 +176,7 @@ protected function runBuilders($builders)
 
         $builderContext = new BuilderContext($this->input, $this->output, $this->getApplication());
 
+        $combinedExitCode = 0;
         foreach ($builders as $builder) {
             $this->output->getFormatter()->setIndentLevel(0);
 
@@ -187,8 +192,13 @@ protected function runBuilders($builders)
             $this->output->writeln('');
 
             $this->output->getFormatter()->setIndentLevel(1);
-            $builder->build();
+            $exitCode = $builder->build();
+            if($exitCode !== null && $exitCode !== 0) {
+                $combinedExitCode = $exitCode;
+            }
         }
+
+        return $combinedExitCode;
     }
 
     protected function writeTitle($title)

Tests/Command/BuildCommandTest.php

@@ -75,6 +75,26 @@ public function testBuildTarget()
         $this->assertEquals(0, $res);
     }
 
+    public function testBuildTargetThatFails()
+    {
+        $this->buildRegistry->getBuilders('Builder 1')->willReturn(array(
+            $this->builder1->reveal(),
+            $this->builder2->reveal()
+        ));
+
+        $this->builder2->setContainer($this->container)->shouldBeCalled();
+        $this->builder1->setContext(Argument::type('Massive\Bundle\BuildBundle\Build\BuilderContext'))
+                       ->shouldBeCalled();
+        $this->builder2->setContext(Argument::type('Massive\Bundle\BuildBundle\Build\BuilderContext'))
+                       ->shouldBeCalled();
+
+        $this->builder1->build()->shouldBeCalled()->willReturn(1);
+        $this->builder2->build()->shouldBeCalled();
+
+        $exitCode = $this->execute(array('target' => 'Builder 1', '--keep-exit-code' => true), array());
+        $this->assertEquals(1, $exitCode);
+    }
+
     public function testBuildNotTarget()
     {
         $this->buildRegistry->getBuilders(null)->willReturn(array(