Revert "Do not dump source and dist for metapackages"

The source/dist reference is needed to operate composer outdated and other functionality

Fixes #7546

This reverts commit 42739e7959d81f38e0e41ab7ae96e5db88c0411d.

src/Composer/Package/Dumper/ArrayDumper.php

@@ -45,7 +45,7 @@ class ArrayDumper
             $data['target-dir'] = $package->getTargetDir();
         }
 
-        if ($package->getSourceType() && $package->getType() !== 'metapackage') {
+        if ($package->getSourceType()) {
             $data['source']['type'] = $package->getSourceType();
             $data['source']['url'] = $package->getSourceUrl();
             $data['source']['reference'] = $package->getSourceReference();
@@ -54,7 +54,7 @@ class ArrayDumper
             }
         }
 
-        if ($package->getDistType() && $package->getType() !== 'metapackage') {
+        if ($package->getDistType()) {
             $data['dist']['type'] = $package->getDistType();
             $data['dist']['url'] = $package->getDistUrl();
             $data['dist']['reference'] = $package->getDistReference();

tests/Composer/Test/Package/Dumper/ArrayDumperTest.php

@@ -106,57 +106,6 @@ class ArrayDumperTest extends TestCase
         $this->assertSame($expectedValue ?: $value, $config[$key]);
     }
 
-    public function testMetapackageShouldNotHaveSourceEntries()
-    {
-        $this
-            ->packageExpects('getPrettyName', 'foo')
-            ->packageExpects('getPrettyVersion', '1.0')
-            ->packageExpects('getVersion', '1.0.0.0')
-            ->packageExpects('getType', 'metapackage')
-            ->packageExpects('getSourceType', 'composer')
-            ->packageExpects('getSourceUrl', 'https://packagist.org')
-            ->packageExpects('getSourceReference', 'packagist')
-        ;
-
-        $config = $this->dumper->dump($this->package);
-
-        $this->assertEquals(
-            array(
-                'name' => 'foo',
-                'version' => '1.0',
-                'version_normalized' => '1.0.0.0',
-                'type' => 'metapackage',
-            ),
-            $config
-        );
-    }
-
-    public function testMetapackageShouldNotHaveDistEntries()
-    {
-        $this
-            ->packageExpects('getPrettyName', 'foo')
-            ->packageExpects('getPrettyVersion', '1.0')
-            ->packageExpects('getVersion', '1.0.0.0')
-            ->packageExpects('getType', 'metapackage')
-            ->packageExpects('getDistType', 'composer')
-            ->packageExpects('getDistUrl', 'https://packagist.org')
-            ->packageExpects('getDistReference', 'packagist')
-            ->packageExpects('getDistSha1Checksum', 'packagist')
-        ;
-
-        $config = $this->dumper->dump($this->package);
-
-        $this->assertEquals(
-            array(
-                'name' => 'foo',
-                'version' => '1.0',
-                'version_normalized' => '1.0.0.0',
-                'type' => 'metapackage',
-            ),
-            $config
-        );
-    }
-
     public function getKeys()
     {
         return array(