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mkDerivedConfig : Option a -> (a -> Definition b) -> Definition b Create config definitions with the same priority as the definition of another option. This should be used for option definitions where one option sets the value of another as a convenience. For instance a config file could be set with a `text` or `source` option, where text translates to a `source` value using `mkDerivedConfig options.text (pkgs.writeText "filename.conf")`. It takes care of setting the right priority using `mkOverride`.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at https://nixos.org/nixos and in the manual in doc/manual.