Pass devMode from RunScriptCommand to Script\Event

src/Composer/Command/RunScriptCommand.php

@@ -12,7 +12,7 @@
 
 namespace Composer\Command;
 
-use Composer\Script\CommandEvent;
+use Composer\Script\Event as ScriptEvent;
 use Composer\Script\ScriptEvents;
 use Composer\Util\ProcessExecutor;
 use Symfony\Component\Console\Input\InputInterface;
@@ -81,7 +81,9 @@ EOT
         }
 
         $composer = $this->getComposer();
-        $hasListeners = $composer->getEventDispatcher()->hasEventListeners(new CommandEvent($script, $composer, $this->getIO()));
+        $devMode = $input->getOption('dev') || !$input->getOption('no-dev');
+        $event = new ScriptEvent($script, $composer, $this->getIO(), $devMode);
+        $hasListeners = $composer->getEventDispatcher()->hasEventListeners($event);
         if (!$hasListeners) {
             throw new \InvalidArgumentException(sprintf('Script "%s" is not defined in this package', $script));
         }
@@ -96,7 +98,7 @@ EOT
             ProcessExecutor::setTimeout((int) $timeout);
         }
 
-        return $composer->getEventDispatcher()->dispatchScript($script, $input->getOption('dev') || !$input->getOption('no-dev'), $args);
+        return $composer->getEventDispatcher()->dispatchScript($script, $devMode, $args);
     }
 
     protected function listScripts()

src/Composer/EventDispatcher/EventDispatcher.php

@@ -24,6 +24,7 @@ use Composer\Script;
 use Composer\Script\CommandEvent;
 use Composer\Script\PackageEvent;
 use Composer\Util\ProcessExecutor;
+use Composer\Script\Event as ScriptEvent;
 use Symfony\Component\Process\PhpExecutableFinder;
 
 /**
@@ -415,6 +416,10 @@ class EventDispatcher
         }
 
         $generator = $this->composer->getAutoloadGenerator();
+        if ($event instanceof ScriptEvent) {
+            $generator->setDevMode($event->isDevMode());
+        }
+
         $packages = $this->composer->getRepositoryManager()->getLocalRepository()->getCanonicalPackages();
         $packageMap = $generator->buildPackageMap($this->composer->getInstallationManager(), $package, $packages);
         $map = $generator->parseAutoloads($packageMap, $package);