When the module was first ported, the variable file_private_path (which is a Drupal 7 variable, handled by D7's file system) was wrongly ported as a backup_migrate proprietary config setting. This resulted in the backup_migrate_update_1000() creating that config setting, and a few spots in the code doing things like:
When the module was first ported, the variable
file_private_path(which is a Drupal 7 variable, handled by D7's file system) was wrongly ported as a backup_migrate proprietary config setting. This resulted in thebackup_migrate_update_1000()creating that config setting, and a few spots in the code doing things like:config_get('backup_migrate.settings', 'file_private_path')which always returns false, since this setting is not set by BM. Instead, those lines should be replaced by
config_get('system.core', 'file_private_path')to access the "real" private file path.