108 lines
2.2 KiB
Nix
108 lines
2.2 KiB
Nix
{ config, lib, pkgs, ... }:
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let
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inherit (pkgs)
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writeScript
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;
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inherit (lib)
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concatMapStringsSep
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concatStringsSep
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mkEnableOption
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mkIf
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mkOption
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types
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;
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cfg = config.lass.folderPerms;
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out = {
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options.lass.folderPerms = api;
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config = mkIf cfg.enable imp;
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};
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api = {
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enable = mkEnableOption "folder permissions";
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permissions = mkOption {
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type = with types; listOf (submodule ({
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options = {
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path = mkOption {
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type = str;
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};
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permission = mkOption {
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type = nullOr str;
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example = "755";
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description = ''
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basically anything that chmod takes as permission
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'';
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default = null;
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};
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owner = mkOption {
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type = nullOr str;
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example = "root:root";
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description = ''
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basically anything that chown takes as owner
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'';
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default = null;
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};
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recursive = mkOption {
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type = bool;
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default = false;
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};
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};
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}));
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};
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};
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imp = {
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systemd.services.lass-folderPerms = {
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description = "lass-folderPerms";
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wantedBy = [ "multi-user.target" ];
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path = with pkgs; [
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coreutils
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];
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restartIfChanged = true;
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serviceConfig = {
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type = "simple";
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RemainAfterExit = true;
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Restart = "always";
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ExecStart = "@${startScript}";
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};
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};
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};
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startScript = writeScript "lass-folderPerms" ''
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${concatMapStringsSep "\n" writeCommand cfg.permissions}
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'';
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writeCommand = fperm:
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concatStringsSep "\n" [
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(buildPermission fperm)
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(buildOwner fperm)
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];
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buildPermission = perm:
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if (perm.permission == null) then
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""
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else
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if perm.recursive then
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"chmod -R ${perm.permission} ${perm.path}"
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else
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"chmod ${perm.permission} ${perm.path}"
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;
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buildOwner = perm:
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if (perm.owner == null) then
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""
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else
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if perm.recursive then
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"chown -R ${perm.owner} ${perm.path}"
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else
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"chown ${perm.owner} ${perm.path}"
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;
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in out
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