3 files changed, 22 insertions, 11 deletions
diff --git a/apps/sharebymail/composer/composer/ClassLoader.php b/apps/sharebymail/composer/composer/ClassLoader.php
index fd56bd7d840..a72151c77c8 100644
--- a/apps/sharebymail/composer/composer/ClassLoader.php
+++ b/apps/sharebymail/composer/composer/ClassLoader.php
@@ -429,7 +429,8 @@ class ClassLoader
     public function loadClass($class)
     {
         if ($file = $this->findFile($class)) {
-            (self::$includeFile)($file);
+            $includeFile = self::$includeFile;
+            $includeFile($file);
 
             return true;
         }
@@ -560,7 +561,10 @@ class ClassLoader
         return false;
     }
 
-    private static function initializeIncludeClosure(): void
+    /**
+     * @return void
+     */
+    private static function initializeIncludeClosure()
     {
         if (self::$includeFile !== null) {
             return;
@@ -574,8 +578,8 @@ class ClassLoader
          * @param  string $file
          * @return void
          */
-        self::$includeFile = static function($file) {
+        self::$includeFile = \Closure::bind(static function($file) {
             include $file;
-        };
+        }, null, null);
     }
 }
diff --git a/apps/sharebymail/composer/composer/InstalledVersions.php b/apps/sharebymail/composer/composer/InstalledVersions.php
index c6b54af7ba2..51e734a774b 100644
--- a/apps/sharebymail/composer/composer/InstalledVersions.php
+++ b/apps/sharebymail/composer/composer/InstalledVersions.php
@@ -98,7 +98,7 @@ class InstalledVersions
     {
         foreach (self::getInstalled() as $installed) {
             if (isset($installed['versions'][$packageName])) {
-                return $includeDevRequirements || empty($installed['versions'][$packageName]['dev_requirement']);
+                return $includeDevRequirements || !isset($installed['versions'][$packageName]['dev_requirement']) || $installed['versions'][$packageName]['dev_requirement'] === false;
             }
         }
 
@@ -119,7 +119,7 @@ class InstalledVersions
      */
     public static function satisfies(VersionParser $parser, $packageName, $constraint)
     {
-        $constraint = $parser->parseConstraints($constraint);
+        $constraint = $parser->parseConstraints((string) $constraint);
         $provided = $parser->parseConstraints(self::getVersionRanges($packageName));
 
         return $provided->matches($constraint);
@@ -328,7 +328,9 @@ class InstalledVersions
                 if (isset(self::$installedByVendor[$vendorDir])) {
                     $installed[] = self::$installedByVendor[$vendorDir];
                 } elseif (is_file($vendorDir.'/composer/installed.php')) {
-                    $installed[] = self::$installedByVendor[$vendorDir] = require $vendorDir.'/composer/installed.php';
+                    /** @var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>} $required */
+                    $required = require $vendorDir.'/composer/installed.php';
+                    $installed[] = self::$installedByVendor[$vendorDir] = $required;
                     if (null === self::$installed && strtr($vendorDir.'/composer', '\\', '/') === strtr(__DIR__, '\\', '/')) {
                         self::$installed = $installed[count($installed) - 1];
                     }
@@ -340,12 +342,17 @@ class InstalledVersions
             // only require the installed.php file if this file is loaded from its dumped location,
             // and not from its source location in the composer/composer package, see https://github.com/composer/composer/issues/9937
             if (substr(__DIR__, -8, 1) !== 'C') {
-                self::$installed = require __DIR__ . '/installed.php';
+                /** @var array{root: array{name: string, pretty_version: string, version: string, reference: string|null, type: string, install_path: string, aliases: string[], dev: bool}, versions: array<string, array{pretty_version?: string, version?: string, reference?: string|null, type?: string, install_path?: string, aliases?: string[], dev_requirement: bool, replaced?: string[], provided?: string[]}>} $required */
+                $required = require __DIR__ . '/installed.php';
+                self::$installed = $required;
             } else {
                 self::$installed = array();
             }
         }
-        $installed[] = self::$installed;
+
+        if (self::$installed !== array()) {
+            $installed[] = self::$installed;
+        }
 
         return $installed;
     }
diff --git a/apps/sharebymail/composer/composer/installed.php b/apps/sharebymail/composer/composer/installed.php
index a1f6a8636b4..1426826287d 100644
--- a/apps/sharebymail/composer/composer/installed.php
+++ b/apps/sharebymail/composer/composer/installed.php
@@ -3,7 +3,7 @@
         'name' => '__root__',
         'pretty_version' => 'dev-master',
         'version' => 'dev-master',
-        'reference' => 'd51429a47232bbf46a2be832ecfa711f102da802',
+        'reference' => 'dd3d689e04a5e1d558da937ca72980e0e2c7c404',
         'type' => 'library',
         'install_path' => __DIR__ . '/../',
         'aliases' => array(),
@@ -13,7 +13,7 @@
         '__root__' => array(
             'pretty_version' => 'dev-master',
             'version' => 'dev-master',
-            'reference' => 'd51429a47232bbf46a2be832ecfa711f102da802',
+            'reference' => 'dd3d689e04a5e1d558da937ca72980e0e2c7c404',
             'type' => 'library',
             'install_path' => __DIR__ . '/../',
             'aliases' => array(),