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nixpkgs/nixos/modules/services/hardware/sane_extra_backends/brscan4.nix
Silvan Mosberger d9d87c5196 treewide: format all inactive Nix files
After final improvements to the official formatter implementation,
this commit now performs the first treewide reformat of Nix files using it.
This is part of the implementation of RFC 166.

Only "inactive" files are reformatted, meaning only files that
aren't being touched by any PR with activity in the past 2 months.
This is to avoid conflicts for PRs that might soon be merged.
Later we can do a full treewide reformat to get the rest,
which should not cause as many conflicts.

A CI check has already been running for some time to ensure that new and
already-formatted files are formatted, so the files being reformatted here
should also stay formatted.

This commit was automatically created and can be verified using

    nix-build https://github.com/infinisil/treewide-nixpkgs-reformat-script/archive/a08b3a4d199c6124ac5b36a889d9099b4383463f.tar.gz \
      --argstr baseRev 0128fbb0a5
    result/bin/apply-formatting $NIXPKGS_PATH
2024-12-10 20:29:24 +01:00

125 lines
2.7 KiB
Nix

{
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!
'';
}
];
};
}