forked from mirrors/nixpkgs
113 lines
2.6 KiB
Nix
113 lines
2.6 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, ... }: {
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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 = with types; attrsOf (submodule netDeviceOpts);
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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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};
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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."opt/brother/scanner/brscan4" =
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{ source = "${etcFiles}/etc/opt/brother/scanner/brscan4"; };
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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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}
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