Make sure the abandoned state is copied over even if the packages are installed already

src/Composer/Installer.php

@@ -1090,6 +1090,10 @@ class Installer
                 $newSourceUrl = $newPackage->getSourceUrl();
 
                 $this->updatePackageUrl($package, $newSourceUrl, $newPackage->getSourceType(), $newPackage->getSourceReference(), $newPackage->getDistUrl());
+
+                if ($package instanceof CompletePackage && $newPackage instanceof CompletePackage) {
+                    $package->setAbandoned($newPackage->getReplacementPackage() ?: $newPackage->isAbandoned());
+                }
             }
         }
     }

tests/Composer/Test/Fixtures/installer/update-syncs-outdated.test

@@ -0,0 +1,45 @@
+--TEST--
+Update updates the outdated state of packages
+--COMPOSER--
+{
+    "repositories": [
+        {
+            "type": "package",
+            "package": [
+                {
+                    "name": "a/a", "version": "1.0.0", "abandoned": "replacement"
+                }
+            ]
+        }
+    ],
+    "require": {
+        "a/a": "1.0.0"
+    }
+}
+--INSTALLED--
+[
+    {
+        "name": "a/a", "version": "1.0.0"
+    }
+]
+--EXPECT-LOCK--
+{
+    "packages": [
+        {
+            "name": "a/a", "version": "1.0.0",
+            "type": "library",
+            "abandoned": "replacement"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": [],
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": []
+}
+--RUN--
+update
+--EXPECT--