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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.brltty;
targets = [
"default.target" "multi-user.target"
"rescue.target" "emergency.target"
];
genApiKey = pkgs.writers.writeDash "generate-brlapi-key" ''
if ! test -f /etc/brlapi.key; then
echo -n generating brlapi key...
${pkgs.brltty}/bin/brltty-genkey -f /etc/brlapi.key
echo done
fi
'';
in {
options = {
services.brltty.enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the BRLTTY daemon.";
};
};
config = mkIf cfg.enable {
users.users.brltty = {
description = "BRLTTY daemon user";
group = "brltty";
};
users.groups = {
brltty = { };
brlapi = { };
};
systemd.services."brltty@".serviceConfig =
{ ExecStartPre = "!${genApiKey}"; };
# Install all upstream-provided files
systemd.packages = [ pkgs.brltty ];
systemd.tmpfiles.packages = [ pkgs.brltty ];
services.udev.packages = [ pkgs.brltty ];
environment.systemPackages = [ pkgs.brltty ];
# Add missing WantedBys (see issue #81138)
systemd.paths.brltty.wantedBy = targets;
systemd.paths."brltty@".wantedBy = targets;
};
}
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