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|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.hardware.sane.brscan4;
netDeviceList = attrValues cfg.netDevices;
etcFiles = pkgs.callPackage ./brscan4_etc_files.nix { netDevices = netDeviceList; };
netDeviceOpts = { name, ... }: {
options = {
name = mkOption {
type = types.str;
description = ''
The friendly name you give to the network device. If undefined,
the name of attribute will be used.
'';
example = "office1";
};
model = mkOption {
type = types.str;
description = ''
The model of the network device.
'';
example = "MFC-7860DW";
};
ip = mkOption {
type = with types; nullOr str;
default = null;
description = ''
The ip address of the device. If undefined, you will have to
provide a nodename.
'';
example = "192.168.1.2";
};
nodename = mkOption {
type = with types; nullOr str;
default = null;
description = ''
The node name of the device. If undefined, you will have to
provide an ip.
'';
example = "BRW0080927AFBCE";
};
};
config =
{ name = mkDefault name;
};
};
in
{
options = {
hardware.sane.brscan4.enable =
mkEnableOption "Brother's brscan4 scan backend" // {
description = ''
When enabled, will automatically register the "brscan4" sane
backend and bring configuration files to their expected location.
'';
};
hardware.sane.brscan4.netDevices = mkOption {
default = {};
example =
{ office1 = { model = "MFC-7860DW"; ip = "192.168.1.2"; };
office2 = { model = "MFC-7860DW"; nodename = "BRW0080927AFBCE"; };
};
type = with types; attrsOf (submodule netDeviceOpts);
description = ''
The list of network devices that will be registered against the brscan4
sane backend.
'';
};
};
config = mkIf (config.hardware.sane.enable && cfg.enable) {
hardware.sane.extraBackends = [
pkgs.brscan4
];
environment.etc."opt/brother/scanner/brscan4" =
{ source = "${etcFiles}/etc/opt/brother/scanner/brscan4"; };
assertions = [
{ assertion = all (x: !(null != x.ip && null != x.nodename)) netDeviceList;
message = ''
When describing a network device as part of the attribute list
`hardware.sane.brscan4.netDevices`, only one of its `ip` or `nodename`
attribute should be specified, not both!
'';
}
];
};
}
|