Improve readability

lib/data_migrate/database_tasks.rb

@@ -74,22 +74,22 @@ def schema_dump_path(db_config, format = ActiveRecord.schema_format)
         # We only require a schema.rb file for the primary database
         return unless db_config.primary?
 
-        if Gem::Dependency.new("railties", ">= 6.1").match?("railties", Gem.loaded_specs["railties"].version)
-          File.join(File.dirname(ActiveRecord::Tasks::DatabaseTasks.schema_dump_path(db_config, format)), schema_file_type)
-        else
-          super.gsub(/(_)?schema\.rb\z/, '\1data_schema.rb')
+        if rails_version_lower_than_6_1?
+          return super.gsub(/(_)?schema\.rb\z/, '\1data_schema.rb')
         end
+
+        File.join(File.dirname(ActiveRecord::Tasks::DatabaseTasks.schema_dump_path(db_config, format)), schema_file_type)
       end
 
       # Override this method from `ActiveRecord::Tasks::DatabaseTasks`
       # to ensure that the sha saved in ar_internal_metadata table
       # is from the original schema.rb file
       def schema_sha1(file)
-        if Gem::Dependency.new("railties", ">= 6.1").match?("railties", Gem.loaded_specs["railties"].version)
-          ActiveRecord::Tasks::DatabaseTasks.schema_dump_path(ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env, name: "primary"))
-        else
-          super(file.gsub(/data_schema.rb\z/, 'schema.rb'))
+        if rails_version_lower_than_6_1?
+          return super(file.gsub(/data_schema.rb\z/, 'schema.rb'))
         end
+
+        ActiveRecord::Tasks::DatabaseTasks.schema_dump_path(ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env, name: "primary"))
       end
     end
 
@@ -124,5 +124,9 @@ def self.past_migrations(sort = nil)
 
       sort&.downcase == "asc" ? sort_migrations(migrations) : sort_migrations(migrations).reverse
     end
+
+    def self.rails_version_lower_than_6_1?
+      Gem::Dependency.new("railties", "< 6.1").match?("railties", Gem.loaded_specs["railties"].version)
+    end
   end
 end