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nixpkgs/nixos/modules/services/hardware/usbmuxd.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

91 lines
2.2 KiB
Nix

{
config,
lib,
pkgs,
...
}:
let
defaultUserGroup = "usbmux";
apple = "05ac";
cfg = config.services.usbmuxd;
in
{
options.services.usbmuxd = {
enable = lib.mkOption {
type = lib.types.bool;
default = false;
description = ''
Enable the usbmuxd ("USB multiplexing daemon") service. This daemon is
in charge of multiplexing connections over USB to an iOS device. This is
needed for transferring data from and to iOS devices (see ifuse). Also
this may enable plug-n-play tethering for iPhones.
'';
};
user = lib.mkOption {
type = lib.types.str;
default = defaultUserGroup;
description = ''
The user usbmuxd should use to run after startup.
'';
};
group = lib.mkOption {
type = lib.types.str;
default = defaultUserGroup;
description = ''
The group usbmuxd should use to run after startup.
'';
};
package = lib.mkOption {
type = lib.types.package;
default = pkgs.usbmuxd;
defaultText = lib.literalExpression "pkgs.usbmuxd";
description = "Which package to use for the usbmuxd daemon.";
relatedPackages = [
"usbmuxd"
"usbmuxd2"
];
};
};
config = lib.mkIf cfg.enable {
users.users = lib.optionalAttrs (cfg.user == defaultUserGroup) {
${cfg.user} = {
description = "usbmuxd user";
group = cfg.group;
isSystemUser = true;
};
};
users.groups = lib.optionalAttrs (cfg.group == defaultUserGroup) {
${cfg.group} = { };
};
# Give usbmuxd permission for Apple devices
services.udev.extraRules = ''
SUBSYSTEM=="usb", ATTR{idVendor}=="${apple}", GROUP="${cfg.group}"
'';
systemd.services.usbmuxd = {
description = "usbmuxd";
wantedBy = [ "multi-user.target" ];
unitConfig.Documentation = "man:usbmuxd(8)";
serviceConfig = {
# Trigger the udev rule manually. This doesn't require replugging the
# device when first enabling the option to get it to work
ExecStartPre = "${config.systemd.package}/bin/udevadm trigger -s usb -a idVendor=${apple}";
ExecStart = "${cfg.package}/bin/usbmuxd -U ${cfg.user} -v";
};
};
};
}