nullmailer: simplify config generation

This commit is contained in:
Joerg Thalheim 2017-09-28 10:47:19 +01:00
parent e741cc4881
commit 91eb6cf82c

View File

@ -194,18 +194,10 @@ with lib;
environment = { environment = {
systemPackages = [ pkgs.nullmailer ]; systemPackages = [ pkgs.nullmailer ];
etc = let etc = let
getval = attr: builtins.getAttr attr cfg.config; validAttrs = filterAttrs (name: value: value != null) cfg.config;
attrs = builtins.attrNames cfg.config;
remotesFilter = if cfg.remotesFile != null
then (attr: attr != "remotes")
else (_: true);
optionalRemotesFileLink = if cfg.remotesFile != null
then { "nullmailer/remotes".source = cfg.remotesFile; }
else {};
attrs' = builtins.filter (attr: (! isNull (getval attr)) && (remotesFilter attr)) attrs;
in in
(foldl' (as: attr: as // { "nullmailer/${attr}".text = getval attr; }) {} attrs') (foldl' (as: name: as // { "nullmailer/${name}".text = validAttrs.${name}; }) {} (attrNames validAttrs))
// optionalRemotesFileLink; // optionalAttrs (cfg.remotesFile != null) { "nullmailer/remotes".source = cfg.remotesFile; };
}; };
users = { users = {