From 8751663d2da43e55ad17368958615ae605df2e51 Mon Sep 17 00:00:00 2001
From: Kelly Dwan <ryelle@users.noreply.github.com>
Date: Wed, 8 Jan 2025 11:03:17 -0500
Subject: [PATCH] Plugin tweaks: Add jetpack tweaks to always activate the
 Jetpack blocks

See https://github.com/WordPress/wporg-parent-2021/issues/170
---
 mu-plugins/plugin-tweaks/index.php   |  1 +
 mu-plugins/plugin-tweaks/jetpack.php | 26 ++++++++++++++++++++++++++
 2 files changed, 27 insertions(+)
 create mode 100644 mu-plugins/plugin-tweaks/jetpack.php

diff --git a/mu-plugins/plugin-tweaks/index.php b/mu-plugins/plugin-tweaks/index.php
index b77aa929..403ac9c1 100644
--- a/mu-plugins/plugin-tweaks/index.php
+++ b/mu-plugins/plugin-tweaks/index.php
@@ -13,4 +13,5 @@
 require_once __DIR__ . '/stream.php';
 require_once __DIR__ . '/incompatible-plugins.php';
 require_once __DIR__ . '/gutenberg.php';
+require_once __DIR__ . '/jetpack.php';
 require_once __DIR__ . '/youtube-shortcode.php';
diff --git a/mu-plugins/plugin-tweaks/jetpack.php b/mu-plugins/plugin-tweaks/jetpack.php
new file mode 100644
index 00000000..990cd397
--- /dev/null
+++ b/mu-plugins/plugin-tweaks/jetpack.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace WordPressdotorg\MU_Plugins\Plugin_Tweaks\Jetpack;
+
+defined( 'WPINC' ) || die();
+
+/**
+ * Actions and filters.
+ */
+add_filter( 'jetpack_active_modules', __NAMESPACE__ . '\activate_jetpack_blocks' );
+
+/**
+ * Ensure "blocks" module is active.
+ *
+ * The subscribe block is used in the footer template, so this must be active
+ * for all sites. The filter only fires if Jetpack itself is already active.
+ *
+ * @param string[] $modules Array of active Jetpack modules.
+ * @return string[]
+ */
+function activate_jetpack_blocks( $modules ) {
+	if ( ! in_array( 'blocks', $modules, true ) ) {
+		$modules[] = 'blocks';
+	}
+	return $modules;
+}