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home-manager/modules/services/imapnotify.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.imapnotify;
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safeName = lib.replaceChars [ "@" ":" "\\" "[" "]" ] [ "-" "-" "-" "" "" ];
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imapnotifyAccounts =
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filter (a: a.imapnotify.enable) (attrValues config.accounts.email.accounts);
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genAccountUnit = account:
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let name = safeName account.name;
in {
name = "imapnotify-${name}";
value = {
Unit = { Description = "imapnotify for ${name}"; };
Service = {
ExecStart = "${pkgs.goimapnotify}/bin/goimapnotify -conf ${
genAccountConfig account
}";
Restart = "always";
RestartSec = 30;
Type = "simple";
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} // optionalAttrs account.notmuch.enable {
Environment =
"NOTMUCH_CONFIG=${config.xdg.configHome}/notmuch/default/config";
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};
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Install = { WantedBy = [ "default.target" ]; };
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};
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};
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genAccountConfig = account:
pkgs.writeText "imapnotify-${safeName account.name}-config.json" (let
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port = if account.imap.port != null then
account.imap.port
else if account.imap.tls.enable then
993
else
143;
toJSON = builtins.toJSON;
in toJSON ({
inherit (account.imap) host;
inherit port;
tls = account.imap.tls.enable;
username = account.userName;
passwordCmd =
lib.concatMapStringsSep " " lib.escapeShellArg account.passwordCommand;
inherit (account.imapnotify) boxes;
} // optionalAttrs (account.imapnotify.onNotify != "") {
onNewMail = account.imapnotify.onNotify;
} // optionalAttrs (account.imapnotify.onNotifyPost != "") {
onNewMailPost = account.imapnotify.onNotifyPost;
} // account.imapnotify.extraConfig));
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in {
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meta.maintainers = [ maintainers.nickhu ];
options = {
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services.imapnotify = { enable = mkEnableOption "imapnotify"; };
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accounts.email.accounts = mkOption {
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type = with types; attrsOf (submodule (import ./imapnotify-accounts.nix));
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};
};
config = mkIf cfg.enable {
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assertions = let
checkAccounts = pred: msg:
let badAccounts = filter pred imapnotifyAccounts;
in {
assertion = badAccounts == [ ];
message = "imapnotify: Missing ${msg} for accounts: "
+ concatMapStringsSep ", " (a: a.name) badAccounts;
};
in [
(lib.hm.assertions.assertPlatform "services.imapnotify" pkgs
lib.platforms.linux)
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(checkAccounts (a: a.maildir == null) "maildir configuration")
(checkAccounts (a: a.imap == null) "IMAP configuration")
(checkAccounts (a: a.passwordCommand == null) "password command")
(checkAccounts (a: a.userName == null) "username")
];
systemd.user.services = listToAttrs (map genAccountUnit imapnotifyAccounts);
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};
}