nixos-generate-config: don't generate swapDevices for *files* #63083
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Motivation for this change
Up until now, the output has been the same for swap devices and swap
files:
{ device = "/var/swapfile"; }
Whereas for swap files it's easier to manage them declaratively in
configuration.nix:
{ device = "/var/swapfile"; size = 8192; }
(NixOS will create the swapfile, and later resize it, if the size
attribute is changed.)
With the assumption that swap files are specified in configuration.nix,
it's silly to output them to hardware-configuration.nix.
Things done
sandbox
innix.conf
on non-NixOS)nix-shell -p nix-review --run "nix-review wip"
./result/bin/
)nix path-info -S
before and after)