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29027fd1e1
Using pkgs.lib on the spine of module evaluation is problematic because the pkgs argument depends on the result of module evaluation. To prevent an infinite recursion, pkgs and some of the modules are evaluated twice, which is inefficient. Using ‘with lib’ prevents this problem.
79 lines
1.7 KiB
Nix
79 lines
1.7 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.syncthing;
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in
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{
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###### interface
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options = {
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services.syncthing = {
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enable = mkOption {
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default = false;
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description = ''
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Whether to enable the Syncthing, self-hosted open-source alternative
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to Dropbox and BittorrentSync. Initial interface will be
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available on http://127.0.0.1:8080/.
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'';
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};
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user = mkOption {
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default = "syncthing";
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description = ''
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Syncthing will be run under this user (user must exist,
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this can be your user name).
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'';
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};
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dataDir = mkOption {
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default = "/var/lib/syncthing";
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description = ''
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Path where the `.syncthing` (settings and keys) and `Sync`
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(your synced files) directories will exist. This can be your home
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directory.
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'';
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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systemd.services.syncthing =
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{
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description = "Syncthing service";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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environment.STNORESTART = "placeholder"; # do not self-restart
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environment.HOME = "${cfg.dataDir}";
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serviceConfig = {
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User = "${cfg.user}";
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PermissionsStartOnly = true;
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Restart = "always";
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ExecStart = "${pkgs.syncthing}/bin/syncthing -home=${cfg.dataDir}/.syncthing";
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};
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preStart = ''
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mkdir -p ${cfg.dataDir}
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chown ${cfg.user} ${cfg.dataDir}
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'';
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};
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environment.systemPackages = [ pkgs.syncthing ];
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};
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}
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