anchor.diff:        --set IPFS_PATH ${cfg.dataDir} \
         --prefix PATH : /run/wrappers/bin
     '';
  -in
  -
  -{
  +
  +
  +  commonEnv = {
  +    environment.IPFS_PATH = cfg.dataDir;
  +    path = [ wrapped ];
  +    serviceConfig.User = cfg.user;
  +    serviceConfig.Group = cfg.group;
  +  };
  +
  +  baseService = recursiveUpdate commonEnv {
  +    wants = [ "ipfs-init.service" ];
  +    serviceConfig = {
  +      ExecStart = "${wrapped}/bin/ipfs daemon ${ipfsFlags}";
  +      Restart = "on-failure";
  +      RestartSec = 1;
  +    } // optionalAttrs (cfg.serviceFdlimit != null) { LimitNOFILE = cfg.serviceFdlimit; };
  +  };
  +in {
   
     ###### interface
   
  
positive.code:     };
  
      users.extraGroups = mkIf (cfg.group == "ipfs") {
        ipfs = {
          gid = config.ids.gids.ipfs;
        };
      };
  
      systemd.services.ipfs-init = {
        description = "IPFS Initializer";
  
        after = [ "local-fs.target" ];
        before = [ "ipfs.service" "ipfs-offline.service" ];
  
        environment.IPFS_PATH = cfg.dataDir;
  
        path  = [ pkgs.ipfs pkgs.su pkgs.bash ];
  
        preStart = ''
          install -m 0755 -o ${cfg.user} -g ${cfg.group} -d ${cfg.dataDir}
        '';
        script = ''
          if [[ ! -f ${cfg.dataDir}/config ]]; then
            ${ipfs}/bin/ipfs init ${optionalString cfg.emptyRepo "-e"}
          fi
          ${ipfs}/bin/ipfs --local config Addresses.API ${cfg.apiAddress}
          ${ipfs}/bin/ipfs --local config Addresses.Gateway ${cfg.gatewayAddress}
        '' + optionalString cfg.autoMount ''
          ${ipfs}/bin/ipfs --local config Mounts.FuseAllowOther --json true
          mkdir -p $(${ipfs}/bin/ipfs --local config Mounts.IPFS)
          mkdir -p $(${ipfs}/bin/ipfs --local config Mounts.IPNS)
        '' + concatStringsSep "\n" (collect
              isString
              (mapAttrsRecursive
  
negative.code: { config, lib, pkgs, ... }:
  with lib;
  let
    inherit (pkgs) ipfs runCommand makeWrapper;
  
    cfg = config.services.ipfs;
  
    ipfsFlags = toString ([
      (optionalString  cfg.autoMount                   "--mount")
      (optionalString  cfg.autoMigrate                 "--migrate")
      (optionalString  cfg.enableGC                    "--enable-gc")
      (optionalString (cfg.serviceFdlimit != null)     "--manage-fdlimit=false")
      (optionalString (cfg.defaultMode == "offline")   "--offline")
      (optionalString (cfg.defaultMode == "norouting") "--routing=none")
    ] ++ cfg.extraFlags);
  
    defaultDataDir = if versionAtLeast config.system.stateVersion "17.09" then
      "/var/lib/ipfs" else
      "/var/lib/ipfs/.ipfs";
  