nixpkgs/modules/services/system/nscd.nix

{pkgs, config, ...}:

###### implementation

let
  nssModulesPath = config.system.nssModules.path;
in

{
  services = {
    extraJobs = [{
        name = "nscd";
        
        users = [
          { name = "nscd";
            uid = (import ../../../system/ids.nix).uids.nscd;
            description = "Name service cache daemon user";
          }
        ];
        
        job = ''
      description \"Name Service Cache Daemon\"
      
      start on startup
      stop on shutdown
      
      env LD_LIBRARY_PATH=${nssModulesPath}
      
      start script
      
          mkdir -m 0755 -p /var/run/nscd
          mkdir -m 0755 -p /var/db/nscd
      
          rm -f /var/db/nscd/* # for testing
          
      end script
      
      # !!! -d turns on debug info which probably makes nscd slower
      # 2>/dev/null is to make it shut up
      respawn ${pkgs.glibc}/sbin/nscd -f ${./nscd.conf} -d 2> /dev/null
      '';
    }];
  };
}