From 92cdb09fe32686eb1cf034ce495b2a54149a3db3 Mon Sep 17 00:00:00 2001
From: brandonkelly <brandon@pixelandtonic.com>
Date: Wed, 1 Jan 2025 17:56:20 -0800
Subject: [PATCH] primarySite global variable

Resolves #16370
---
 CHANGELOG-WIP.md           | 1 +
 src/web/twig/Extension.php | 8 +++++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/CHANGELOG-WIP.md b/CHANGELOG-WIP.md
index 89f0f4f12d7..3e499a76e3a 100644
--- a/CHANGELOG-WIP.md
+++ b/CHANGELOG-WIP.md
@@ -7,6 +7,7 @@
 - The Queue Manager utility now shows jobs’ class names. ([#16228](https://github.com/craftcms/cms/pull/16228)) 
 
 ## Development
+- Added the `primarySite` global Twig variable. ([#16370](https://github.com/craftcms/cms/discussions/16370))
 - The `duration` Twig filter now has a `language` argument. ([#16332](https://github.com/craftcms/cms/pull/16332))
 - Deprecated the `ucfirst` Twig filter. `capitalize` should be used instead.
 
diff --git a/src/web/twig/Extension.php b/src/web/twig/Extension.php
index 5e684f3199e..fa011ef40fe 100644
--- a/src/web/twig/Extension.php
+++ b/src/web/twig/Extension.php
@@ -1713,21 +1713,23 @@ public function getGlobals(): array
         $setPasswordRequestPath = $generalConfig->getSetPasswordRequestPath();
 
         if ($isInstalled && !Craft::$app->getUpdates()->getIsCraftUpdatePending()) {
-            /** @noinspection PhpUnhandledExceptionInspection */
-            $currentSite = Craft::$app->getSites()->getCurrentSite();
+            $sitesService = Craft::$app->getSites();
+            $currentSite = $sitesService->getCurrentSite();
+            $primarySite = $sitesService->getPrimarySite();
 
             $currentUser = Craft::$app->getUser()->getIdentity();
             $siteName = Craft::t('site', $currentSite->getName());
             $siteUrl = $currentSite->getBaseUrl();
             $systemName = Craft::$app->getSystemName();
         } else {
-            $currentSite = $currentUser = $siteName = $siteUrl = $systemName = null;
+            $currentSite = $primarySite = $currentUser = $siteName = $siteUrl = $systemName = null;
         }
 
         return [
             'craft' => new CraftVariable(),
             'currentSite' => $currentSite,
             'currentUser' => $currentUser,
+            'primarySite' => $primarySite,
             'siteName' => $siteName,
             'siteUrl' => $siteUrl,
             'systemName' => $systemName,