nixos-option

Inspect a NixOS configuration.

TLDR

List all subkeys of a given option key

$ nixos-option [option_key]
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List current boot kernel modules
$ nixos-option boot.kernelModules
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List authorized keys for a specific user
$ nixos-option users.users.[username].openssh.authorizedKeys.[keyFiles|keys]
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List all remote builders
$ nixos-option nix.buildMachines
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List all subkeys of a given key on another NixOS configuration
$ NIXOS_CONFIG=[path_to_configuration.nix] nixos-option [option_key]
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Show recursively all values of a user
$ nixos-option -r users.users.[user]
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