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wp-content/plugins/sitepress-multilingual-cms/compatibility/jetpack/class-wpml-compatibility-jetpack.php

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+<?php
+
+/**
+ * Class WPML_Compatibility_Jetpack
+ */
+class WPML_Compatibility_Jetpack implements IWPML_Action {
+
+	/**
+	 * Add hooks.
+	 */
+	public function add_hooks() {
+		add_filter(
+			'publicize_should_publicize_published_post',
+			array( $this, 'publicize_should_publicize_published_post_filter' ),
+			10,
+			2
+		);
+	}
+
+	/**
+	 * Filter to prevent duplicate post from being publicized.
+	 *
+	 * @param bool    $should_publicize Should publicize post.
+	 * @param WP_Post $post Post.
+	 *
+	 * @return bool
+	 */
+	public function publicize_should_publicize_published_post_filter( $should_publicize, $post ) {
+		return ! $this->is_post_duplicated( $post );
+	}
+
+	/**
+	 * Check if post is a duplicate being created at the moment.
+	 * We cannot use standard method to determine duplicate as post meta '_icl_lang_duplicate_of' is not set yet.
+	 *
+	 * @param \WP_Post $post
+	 *
+	 * @return bool
+	 */
+	private function is_post_duplicated( $post ) {
+		if (
+			apply_filters( 'wpml_is_translated_post_type', false, $post->post_type ) &&
+			did_action( 'wpml_before_make_duplicate' )
+		) {
+			return true;
+		}
+
+		return false;
+	}
+}