nixpkgs/nixos/modules/services/networking/amuled.nix
pennae e67a646a92 treewide: add defaultText to remaining options
these are mostly options that use alias bindings, bindings to constants,
or bindings to calculated values.
2021-12-09 01:42:24 +01:00

83 lines
1.7 KiB
Nix

{ config, lib, options, pkgs, ... }:
with lib;
let
cfg = config.services.amule;
opt = options.services.amule;
user = if cfg.user != null then cfg.user else "amule";
in
{
###### interface
options = {
services.amule = {
enable = mkOption {
type = types.bool;
default = false;
description = ''
Whether to run the AMule daemon. You need to manually run "amuled --ec-config" to configure the service for the first time.
'';
};
dataDir = mkOption {
type = types.str;
default = "/home/${user}/";
defaultText = literalExpression ''
"/home/''${config.${opt.user}}/"
'';
description = ''
The directory holding configuration, incoming and temporary files.
'';
};
user = mkOption {
type = types.nullOr types.str;
default = null;
description = ''
The user the AMule daemon should run as.
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
users.users = mkIf (cfg.user == null) [
{ name = "amule";
description = "AMule daemon";
group = "amule";
uid = config.ids.uids.amule;
} ];
users.groups = mkIf (cfg.user == null) [
{ name = "amule";
gid = config.ids.gids.amule;
} ];
systemd.services.amuled = {
description = "AMule daemon";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
preStart = ''
mkdir -p ${cfg.dataDir}
chown ${user} ${cfg.dataDir}
'';
script = ''
${pkgs.su}/bin/su -s ${pkgs.runtimeShell} ${user} \
-c 'HOME="${cfg.dataDir}" ${pkgs.amuleDaemon}/bin/amuled'
'';
};
};
}