haccfiles/modules/bindmounts.nix

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{ config, lib, pkgs, ... }:
with lib;
let cfg = config.hacc;
in {
options.hacc.bindMounts = mkOption {
type = types.attrsOf types.str;
default = { };
example = { "/etc/asdf" = "/persist/asdf"; };
};
options.hacc.bindToPersist = mkOption {
type = types.listOf types.str;
default = [];
example = [ "postgres" ];
};
config.fileSystems = mapAttrs (_: device: {
inherit device;
options = [ "bind" ];
}) cfg.bindMounts;
config.hacc.bindMounts = listToAttrs
(map (name: { inherit name; value = "/persist${name}"; })
cfg.bindToPersist);
}