Root requires are not taken into account in locked installs, fixes #669

src/Composer/Installer.php

@@ -141,10 +141,14 @@ class Installer
         }
 
         // create installed repo, this contains all local packages + platform packages (php & extensions)
+        $installedRootPackage = clone $this->package;
+        $installedRootPackage->setRequires(array());
+        $installedRootPackage->setDevRequires(array());
+
         $repos = array_merge(
             $this->repositoryManager->getLocalRepositories(),
             array(
-                new InstalledArrayRepository(array($this->package)),
+                new InstalledArrayRepository(array($installedRootPackage)),
                 new PlatformRepository(),
             )
         );

tests/Composer/Test/Fixtures/installer/aliased-priority.test

@@ -47,8 +47,8 @@ Aliases take precedence over default package
 --RUN--
 install
 --EXPECT--
-Installing a/b (dev-master forked)
 Marking a/b (1.0.x-dev forked) as installed, alias of a/b (dev-master forked)
+Installing a/b (dev-master forked)
 Marking a/c (dev-master feat.f) as installed, alias of a/c (dev-feature-foo feat.f)
 Installing a/a (dev-master master)
 Installing a/c (dev-feature-foo feat.f)

tests/Composer/Test/Fixtures/installer/install-from-empty-lock.test

@@ -0,0 +1,32 @@
+--TEST--
+Requirements from the composer file are not installed if the lock file is present
+--COMPOSER--
+{
+    "repositories": [
+        {
+            "type": "package",
+            "package": [
+                { "name": "required", "version": "1.0.0" },
+                { "name": "newly-required", "version": "1.0.0" }
+            ]
+        }
+    ],
+    "require": {
+        "required": "1.0.0",
+        "newly-required": "1.0.0"
+    }
+}
+--LOCK--
+{
+    "packages": [
+        { "package": "required", "version": "1.0.0" }
+    ],
+    "packages-dev": null,
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": []
+}
+--RUN--
+install
+--EXPECT--
+Installing required (1.0.0)

tests/Composer/Test/InstallerTest.php

@@ -124,7 +124,7 @@ class InstallerTest extends TestCase
     /**
      * @dataProvider getIntegrationTests
      */
-    public function testIntegration($file, $message, $condition, $composer, $lock, $installed, $installedDev, $run, $expect)
+    public function testIntegration($file, $message, $condition, $composerConfig, $lock, $installed, $installedDev, $run, $expect)
     {
         if ($condition) {
             eval('$res = '.$condition.';');
@@ -141,7 +141,7 @@ class InstallerTest extends TestCase
                 $output .= $text . ($newline ? "\n":"");
             }));
 
-        $composer = FactoryMock::create($io, $composer);
+        $composer = FactoryMock::create($io, $composerConfig);
 
         $jsonMock = $this->getMockBuilder('Composer\Json\JsonFile')->disableOriginalConstructor()->getMock();
         $jsonMock->expects($this->any())
@@ -167,8 +167,11 @@ class InstallerTest extends TestCase
         $lockJsonMock->expects($this->any())
             ->method('read')
             ->will($this->returnValue($lock));
+        $lockJsonMock->expects($this->any())
+            ->method('exists')
+            ->will($this->returnValue(true));
 
-        $locker = new Locker($lockJsonMock, $repositoryManager, isset($lock['hash']) ? $lock['hash'] : '');
+        $locker = new Locker($lockJsonMock, $repositoryManager, md5(json_encode($composerConfig)));
         $composer->setLocker($locker);
 
         $autoloadGenerator = $this->getMock('Composer\Autoload\AutoloadGenerator');
@@ -245,6 +248,9 @@ class InstallerTest extends TestCase
                     $composer = JsonFile::parseJson($match['composer']);
                     if (!empty($match['lock'])) {
                         $lock = JsonFile::parseJson($match['lock']);
+                        if (!isset($lock['hash'])) {
+                            $lock['hash'] = md5(json_encode($composer));
+                        }
                     }
                     if (!empty($match['installed'])) {
                         $installed = JsonFile::parseJson($match['installed']);