6.5.1 update routine for approved download directories.

plugins/woocommerce/changelog/fix-download_dir_table_key

@@ -0,0 +1,4 @@
+Significance: patch
+Type: fix
+
+Specify a maximum index size for the URL column in the Download Directories table.

plugins/woocommerce/includes/class-wc-install.php

@@ -206,6 +206,9 @@ class WC_Install {
 		'6.5.0' => array(
 			'wc_update_650_approved_download_directories',
 		),
+		'6.5.1' => array(
+			'wc_update_651_approved_download_directories',
+		),
 	);
 
 	/**

plugins/woocommerce/includes/wc-update-functions.php

@@ -2404,3 +2404,29 @@ function wc_update_650_approved_download_directories() {
 	$directory_sync->init_hooks();
 	$directory_sync->init_feature( true, false );
 }
+
+/**
+ * In some cases, the approved download directories table may not have been successfully created during the update to
+ * 6.5.0. If this was the case we will need to re-initialize the feature.
+ */
+function wc_update_651_approved_download_directories() {
+	global $wpdb;
+
+	$download_directories = wc_get_container()->get( Download_Directories::class );
+	$directory_sync       = wc_get_container()->get( Download_Directories_Sync::class );
+
+	// Check if at least 1 row exists, without scanning the entire table.
+	$is_populated = (bool) $wpdb->get_col(
+		'SELECT 1 FROM ' . $download_directories->get_table() . ' LIMIT 1'
+	);
+
+	// If the table contains rules (or does not yet, but a sync is in-progress) we should do nothing else at this point.
+	if ( $is_populated || $directory_sync->in_progress() ) {
+		return;
+	}
+
+	// Otherwise, it seems reasonable to assume that the feature was not initialized as expected during the update to
+	// 6.5.0. Let's give that another try.
+	$directory_sync->init_hooks();
+	$directory_sync->init_feature( true, false );
+}

plugins/woocommerce/src/Internal/ProductDownloads/ApprovedDirectories/Synchronize.php

@@ -92,7 +92,7 @@ class Synchronize {
 				$this->start();
 			}
 		} catch ( Exception $e ) {
-			wc_get_logger()->log( 'warning', __( 'It was not possible to synchronize download directories following the update to 6.4.0.', 'woocommerce' ) );
+			wc_get_logger()->log( 'warning', __( 'It was not possible to synchronize download directories following the most recent update.', 'woocommerce' ) );
 		}
 
 		$this->register->set_mode(