758e8bd1a1
A sane backend for recent brother scanners. Depends on the presence of etc files generated by the nixos module of the same name. Supports network scanner specification through the nixos module.
116 lines
No EOL
2.7 KiB
Nix
116 lines
No EOL
2.7 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.hardware.sane.brscan4;
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netDeviceList = attrValues cfg.netDevices;
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etcFiles = pkgs.callPackage ./brscan4_etc_files.nix { netDevices = netDeviceList; };
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netDeviceOpts = { name, config, ... }: {
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options = {
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name = mkOption {
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type = types.str;
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description = ''
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The friendly name you give to the network device. If undefined,
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the name of attribute will be used.
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'';
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example = literalExample "office1";
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};
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model = mkOption {
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type = types.str;
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description = ''
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The model of the network device.
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'';
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example = literalExample "MFC-7860DW";
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};
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ip = mkOption {
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type = with types; nullOr str;
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default = null;
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description = ''
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The ip address of the device. If undefined, you will have to
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provide a nodename.
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'';
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example = literalExample "192.168.1.2";
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};
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nodename = mkOption {
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type = with types; nullOr str;
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default = null;
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description = ''
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The node name of the device. If undefined, you will have to
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provide an ip.
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'';
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example = literalExample "BRW0080927AFBCE";
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};
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};
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config =
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{ name = mkDefault name;
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};
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};
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in
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{
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options = {
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hardware.sane.brscan4.enable =
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mkEnableOption "Brother's brscan4 scan backend" // {
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description = ''
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When enabled, will automatically register the "brscan4" sane
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backend and bring configuration files to their expected location.
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'';
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};
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hardware.sane.brscan4.netDevices = mkOption {
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default = {};
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example =
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{ office1 = { model = "MFC-7860DW"; ip = "192.168.1.2"; };
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office2 = { model = "MFC-7860DW"; nodename = "BRW0080927AFBCE"; };
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};
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type = types.loaOf types.optionSet;
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description = ''
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The list of network devices that will be registered against the brscan4
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sane backend.
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'';
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options = [ netDeviceOpts ];
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};
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};
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config = mkIf (config.hardware.sane.enable && cfg.enable) {
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hardware.sane.extraBackends = [
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pkgs.brscan4
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];
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environment.etc = singleton {
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target = "opt/brother/scanner/brscan4";
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source = "${etcFiles}/etc/opt/brother/scanner/brscan4";
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};
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assertions = [
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{ assertion = all (x: !(null != x.ip && null != x.nodename)) netDeviceList;
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message = ''
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When describing a network device as part of the attribute list
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`hardware.sane.brscan4.netDevices`, only one of its `ip` or `nodename`
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attribute should be specified, not both!
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'';
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}
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];
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};
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} |