liminix/modules/mount/service.nix

{
  liminix,
  lib,
  svc,
}:
{
  partlabel,
  mountpoint,
  options,
  fstype,
}:
let
  inherit (liminix.services) oneshot;
  device = "/dev/disk/by-partlabel/${partlabel}";
  name = "mount.${lib.strings.sanitizeDerivationName (lib.escapeURL mountpoint)}";
  options_string = if options == [ ] then "" else "-o ${lib.concatStringsSep "," options}";
  controller = svc.uevent-rule.build {
    serviceName = name;
    symlink = device;
    terms = {
      partname = partlabel;
      devtype = "partition";
    };
  };
in
oneshot {
  inherit name;
  timeout-up = 3600;
  up = "mount -t ${fstype} ${options_string} ${device} ${mountpoint}";
  down = "umount ${mountpoint}";
  inherit controller;
}