fix: db:schema:load for rails 6.0.x versions (ilyakatz#342)

* fix: db:schema:load for rails 6.0.x versions

* Update version

* fix spec for rails 7.0.x

* Improve readability

Changelog.md

@@ -1,5 +1,13 @@
 # Changelog
 
+## 9.1.2
+
+- Fix #281 to maintain rails 6.0 support. (#342)
+
+## 9.1.1
+
+- Backport Fix data:schema:load for structure.sql (#281)
+
 ## 9.1.0
 
 - Fix a bug that caused `schema_sha1` in `ar_internal_metadata` to be reset to the `data_schema.rb` file. (#272)

gemfiles/rails_7.0.gemfile

@@ -3,6 +3,6 @@
 source "http://rubygems.org"
 
 gem "sqlite3", "~> 1.4"
-gem "rails", "~> 7.0"
+gem "rails", "~> 7.0.0"
 
 gemspec path: "../"

lib/data_migrate/database_tasks.rb

@@ -74,13 +74,21 @@ 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 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 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
@@ -116,5 +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

lib/data_migrate/version.rb

@@ -1,3 +1,3 @@
 module DataMigrate
-  VERSION = "9.1.1".freeze
+  VERSION = "9.1.2".freeze
 end