diff options
Diffstat (limited to 'nixos/modules/services/hardware/brltty.nix')
-rw-r--r-- | nixos/modules/services/hardware/brltty.nix | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/nixos/modules/services/hardware/brltty.nix b/nixos/modules/services/hardware/brltty.nix new file mode 100644 index 00000000000..73056017532 --- /dev/null +++ b/nixos/modules/services/hardware/brltty.nix @@ -0,0 +1,57 @@ +{ 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; + }; + +} |