Fix #4692, #4856 - stick with auto for scheme in db, change it to $scheme when rendering

backend/migrations/20251111090000_redirect_auto_scheme.js

@@ -0,0 +1,50 @@
+import { migrate as logger } from "../logger.js";
+
+const migrateName = "redirect_auto_scheme";
+
+/**
+ * Migrate
+ *
+ * @see http://knexjs.org/#Schema
+ *
+ * @param   {Object} knex
+ * @returns {Promise}
+ */
+const up = (knex) => {
+	logger.info(`[${migrateName}] Migrating Up...`);
+
+	return knex.schema
+		.table("redirection_host", async (table) => {
+			// change the column default from $scheme to auto
+			await table.string("forward_scheme").notNull().defaultTo("auto").alter();
+			await knex('redirection_host')
+				.where('forward_scheme', '$scheme')
+				.update({ forward_scheme: 'auto' });
+		})
+		.then(() => {
+			logger.info(`[${migrateName}] redirection_host Table altered`);
+		});
+};
+
+/**
+ * Undo Migrate
+ *
+ * @param   {Object} knex
+ * @returns {Promise}
+ */
+const down = (knex) => {
+	logger.info(`[${migrateName}] Migrating Down...`);
+
+	return knex.schema
+		.table("redirection_host", async (table) => {
+			await table.string("forward_scheme").notNull().defaultTo("$scheme").alter();
+			await knex('redirection_host')
+				.where('forward_scheme', 'auto')
+				.update({ forward_scheme: '$scheme' });
+		})
+		.then(() => {
+			logger.info(`[${migrateName}] redirection_host Table altered`);
+		});
+};
+
+export { up, down };