{ config, lib, pkgs, ... }: with lib; let cfg = config.services.syncthing; in { ###### interface options = { services.syncthing = { enable = mkOption { default = false; description = '' Whether to enable the Syncthing, self-hosted open-source alternative to Dropbox and BittorrentSync. Initial interface will be available on http://127.0.0.1:8080/. ''; }; user = mkOption { default = "syncthing"; description = '' Syncthing will be run under this user (user must exist, this can be your user name). ''; }; dataDir = mkOption { default = "/var/lib/syncthing"; description = '' Path where the `.syncthing` (settings and keys) and `Sync` (your synced files) directories will exist. This can be your home directory. ''; }; }; }; ###### implementation config = mkIf cfg.enable { systemd.services.syncthing = { description = "Syncthing service"; after = [ "network.target" ]; wantedBy = [ "multi-user.target" ]; environment.STNORESTART = "placeholder"; # do not self-restart environment.HOME = "${cfg.dataDir}"; serviceConfig = { User = "${cfg.user}"; PermissionsStartOnly = true; Restart = "always"; ExecStart = "${pkgs.syncthing}/bin/syncthing -home=${cfg.dataDir}/.syncthing"; }; preStart = '' mkdir -p ${cfg.dataDir} chown ${cfg.user} ${cfg.dataDir} ''; }; environment.systemPackages = [ pkgs.syncthing ]; }; }