Merge pull request #9469 from Seldaek/fix-aliases-2

Make sure root aliases are marked as such also when loaded from lock file

src/Composer/Package/AliasPackage.php

@@ -431,7 +431,7 @@ class AliasPackage extends BasePackage implements CompletePackageInterface
 
     public function __toString()
     {
-        return parent::__toString().' (alias of '.$this->aliasOf->getVersion().')';
+        return parent::__toString().' ('.($this->rootPackageAlias ? 'root ':''). 'alias of '.$this->aliasOf->getVersion().')';
     }
 
     public function setDistUrl($url)

src/Composer/Package/Locker.php

@@ -187,7 +187,9 @@ class Locker
             if (isset($lockData['aliases'])) {
                 foreach ($lockData['aliases'] as $alias) {
                     if (isset($packageByName[$alias['package']])) {
-                        $packages->addPackage(new AliasPackage($packageByName[$alias['package']], $alias['alias_normalized'], $alias['alias']));
+                        $aliasPkg = new AliasPackage($packageByName[$alias['package']], $alias['alias_normalized'], $alias['alias']);
+                        $aliasPkg->setRootPackageAlias(true);
+                        $packages->addPackage($aliasPkg);
                     }
                 }
             }