with import <stockholm/lib>; { config, pkgs, ... }: let cfg = config.krebs.bindfs; in { options.krebs.bindfs = mkOption { type = types.attrsOf (types.submodule ({ config, ... }: { options = { target = mkOption { description = '' destination where bindfs mounts to. second positional argument to bindfs. ''; default = config._module.args.name; type = types.absolute-pathname; }; source = mkOption { description = '' source folder where the mounted directory is originally. first positional argument to bindfs. ''; type = types.absolute-pathname; }; options = mkOption { description = '' additional arguments to bindfs ''; type = types.listOf types.str; default = []; }; clearTarget = mkOption { description = '' whether to clear the target folder before mounting ''; type = types.bool; default = false; }; }; })); default = {}; }; config = mkIf (cfg != {}) { systemd.services = mapAttrs' (n: mount: let name = replaceStrings [ "/" ] [ "_" ] n; in nameValuePair "bindfs-${name}" { wantedBy = [ "local-fs.target" ]; path = [ pkgs.coreutils ]; serviceConfig = { ExecStartPre = pkgs.writeDash "bindfs-init-${name}" '' ${optionalString mount.clearTarget '' rm -rf '${mount.target}' ''} mkdir -p '${mount.source}' mkdir -p '${mount.target}' ''; ExecStart = "${pkgs.bindfs}/bin/bindfs -f ${concatStringsSep " " mount.options} ${mount.source} ${mount.target}"; }; }) cfg; }; }