Template config from existing install

[GeorgiKarapetrov]

Is it possible to use archinstall from an existing Arch Linux installation to get a config file reflecting this existing installation. I mean that it would parse things like the fs mounts, boot loaders, locales, etc and prepare a config file to replicate the setup?

[svartkanin]

Short answer no it is not possible.
I don't think this would be easy either as it would require picking up a lot of different settings.
Archinstall allows to configure an installation system and then save the configuration to replay it again which covers most common use cases