Add latest changes from gitlab-org/gitlab@master

scripts/validate_clickhouse_schema.rb

@@ -0,0 +1,20 @@
+#!/usr/bin/env ruby
+
+# frozen_string_literal: true
+
+require_relative '../config/environment'
+require_relative 'click_house/schema_validator'
+
+begin
+  result = ClickHouse::SchemaValidator.validate!
+  if result
+    puts "\e[32mClickHouse schema is valid\e[0m"
+    exit 0
+  else
+    puts "\e[31mClickHouse schema validation failed: schema file has uncommitted changes after migration\e[0m"
+    exit 1
+  end
+rescue StandardError => e
+  puts "\e[31mError during ClickHouse schema validation: #{e.message}\e[0m"
+  exit 1
+end