Deprecate passing migrations_paths to connection.assume_migrated_upto_version

Since #31727, `migrations_paths` in `assume_migrated_upto_version` is no
longer used.

Author: kamipo

activerecord/CHANGELOG.md

@@ -1,3 +1,7 @@
+*   Deprecate passing `migrations_paths` to `connection.assume_migrated_upto_version`.
+
+    *Ryuta Kamizono*
+
 *   MySQL: `ROW_FORMAT=DYNAMIC` create table option by default.
 
     Since MySQL 5.7.9, the `innodb_default_row_format` option defines the default row

activerecord/lib/active_record/connection_adapters/abstract/schema_statements.rb

@@ -2,6 +2,7 @@
 
 require "active_record/migration/join_table"
 require "active_support/core_ext/string/access"
+require "active_support/deprecation"
 require "digest/sha2"
 
 module ActiveRecord
@@ -1050,8 +1051,13 @@ def internal_string_options_for_primary_key # :nodoc:
         { primary_key: true }
       end
 
-      def assume_migrated_upto_version(version, migrations_paths)
-        migrations_paths = Array(migrations_paths)
+      def assume_migrated_upto_version(version, migrations_paths = nil)
+        unless migrations_paths.nil?
+          ActiveSupport::Deprecation.warn(<<~MSG)
+            Passing migrations_paths to #assume_migrated_upto_version is deprecated and will be removed in Rails 6.1.
+          MSG
+        end
+
         version = version.to_i
         sm_table = quote_table_name(ActiveRecord::SchemaMigration.table_name)
 

activerecord/lib/active_record/schema.rb

@@ -51,20 +51,11 @@ def define(info, &block) # :nodoc:
 
       if info[:version].present?
         ActiveRecord::SchemaMigration.create_table
-        connection.assume_migrated_upto_version(info[:version], migrations_paths)
+        connection.assume_migrated_upto_version(info[:version])
       end
 
       ActiveRecord::InternalMetadata.create_table
       ActiveRecord::InternalMetadata[:environment] = connection.migration_context.current_environment
     end
-
-    private
-      # Returns the migrations paths.
-      #
-      #   ActiveRecord::Schema.new.migrations_paths
-      #   # => ["db/migrate"] # Rails migration path by default.
-      def migrations_paths
-        ActiveRecord::Migrator.migrations_paths
-      end
   end
 end

activerecord/test/cases/migration_test.rb

@@ -71,6 +71,13 @@ def setup
     ActiveRecord::Migration.verbose = @verbose_was
   end
 
+  def test_passing_migrations_paths_to_assume_migrated_upto_version_is_deprecated
+    ActiveRecord::SchemaMigration.create_table
+    assert_deprecated do
+      ActiveRecord::Base.connection.assume_migrated_upto_version(0, [])
+    end
+  end
+
   def test_migrator_migrations_path_is_deprecated
     assert_deprecated do
       ActiveRecord::Migrator.migrations_path = "/whatever"