home-manager/modules/services/lieer.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.lieer;
syncAccounts = filter (a: a.lieer.enable && a.lieer.sync.enable)
(attrValues config.accounts.email.accounts);
escapeUnitName = name:
let
good = upperChars ++ lowerChars ++ stringToCharacters "0123456789-_";
subst = c: if any (x: x == c) good then c else "-";
in stringAsChars subst name;
serviceUnit = account: {
name = escapeUnitName "lieer-${account.name}";
value = {
Unit = {
Description = "lieer Gmail synchronization for ${account.name}";
ConditionPathExists = "${account.maildir.absPath}/.gmailieer.json";
};
Service = {
Type = "oneshot";
ExecStart = "${pkgs.gmailieer}/bin/gmi sync";
WorkingDirectory = account.maildir.absPath;
Environment =
"NOTMUCH_CONFIG=${config.xdg.configHome}/notmuch/notmuchrc";
};
};
};
timerUnit = account: {
name = escapeUnitName "lieer-${account.name}";
value = {
Unit = {
Description = "lieer Gmail synchronization for ${account.name}";
};
Timer = {
OnCalendar = account.lieer.sync.frequency;
RandomizedDelaySec = 30;
};
Install = { WantedBy = [ "timers.target" ]; };
};
};
in {
meta.maintainers = [ maintainers.tadfisher ];
options = {
services.lieer.enable =
mkEnableOption "lieer Gmail synchronization service";
accounts.email.accounts = mkOption {
type = with types; attrsOf (submodule (import ./lieer-accounts.nix));
};
};
config = mkIf cfg.enable {
programs.lieer.enable = true;
systemd.user.services = listToAttrs (map serviceUnit syncAccounts);
systemd.user.timers = listToAttrs (map timerUnit syncAccounts);
};
}