Add support Rails 6.0

.github/workflows/main.yml

@@ -14,6 +14,7 @@ jobs:
     strategy:
       matrix:
         include:
+          - { ruby: '2.7', rails: '6.0' }
           - { ruby: '2.7', rails: '6.1' }
           - { ruby: '3.0', rails: '6.1' }
           - { ruby: '3.1', rails: '7.0' }

lib/actual_db_schema.rb

@@ -50,7 +50,11 @@ def self.default_migrated_folder
   end
 
   def self.migrations_paths
-    ActiveRecord::Base.connection_db_config.migrations_paths
+    if ActiveRecord::Base.respond_to?(:connection_db_config)
+      ActiveRecord::Base.connection_db_config.migrations_paths
+    else
+      ActiveRecord::Base.connection_config[:migrations_paths]
+    end
   end
 
   def self.migration_filename(fullpath)
@@ -60,7 +64,8 @@ def self.migration_filename(fullpath)
   def self.for_each_db_connection
     configs = ActiveRecord::Base.configurations.configs_for(env_name: ActiveRecord::Tasks::DatabaseTasks.env)
     configs.each do |db_config|
-      ActiveRecord::Base.establish_connection(db_config)
+      config = db_config.respond_to?(:config) ? db_config.config : db_config
+      ActiveRecord::Base.establish_connection(config)
       yield
     end
   end

lib/actual_db_schema/commands/list.rb

@@ -19,7 +19,13 @@ def preambule
         puts "\nPhantom migrations\n\n"
         puts "Below is a list of irrelevant migrations executed in unmerged branches."
         puts "To bring your database schema up to date, the migrations marked as \"up\" should be rolled back."
-        puts "\ndatabase: #{ActiveRecord::Base.connection_db_config.database}\n\n"
+        db_config = if ActiveRecord::Base.respond_to?(:connection_db_config)
+                      ActiveRecord::Base.connection_db_config.configuration_hash
+                    else
+                      ActiveRecord::Base.connection_config
+                    end
+        database_path = db_config[:database]
+        puts "\ndatabase: #{database_path}\n\n"
         puts header.join("  ")
         puts "-" * separator_width
       end