home-manager/modules/programs/himalaya.nix

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{ config, lib, pkgs, ... }:
let
# aliases
inherit (config.programs) himalaya;
tomlFormat = pkgs.formats.toml { };
# attrs util that removes entries containing a null value
compactAttrs = lib.filterAttrs (_: val: !isNull val);
# Needed for notmuch config, because the DB is here, and not in each account's dir
maildirBasePath = config.accounts.email.maildirBasePath;
# make a himalaya config from a home-manager email account config
mkAccountConfig = _: account:
let
# Use notmuch if it's enabled, otherwise fallback to IMAP then maildir
# Maildir is always set, so there's no easy way to detect if it's being used
notmuchEnabled = account.notmuch.enable;
imapEnabled = !isNull account.imap && !notmuchEnabled;
maildirEnabled = !isNull account.maildir && !imapEnabled
&& !notmuchEnabled;
globalConfig = {
email = account.address;
display-name = account.realName;
default = account.primary;
folder-aliases = {
inbox = account.folders.inbox;
sent = account.folders.sent;
drafts = account.folders.drafts;
trash = account.folders.trash;
};
};
signatureConfig =
lib.optionalAttrs (account.signature.showSignature == "append") {
# TODO: signature cannot be attached yet
# https://todo.sr.ht/~soywod/himalaya/27
signature = account.signature.text;
signature-delim = account.signature.delimiter;
};
imapConfig = lib.optionalAttrs imapEnabled (compactAttrs {
backend = "imap";
imap-host = account.imap.host;
imap-port = account.imap.port;
imap-ssl = account.imap.tls.enable;
imap-starttls = account.imap.tls.useStartTls;
imap-login = account.userName;
imap-auth = "passwd";
imap-passwd.cmd = builtins.concatStringsSep " " account.passwordCommand;
});
maildirConfig = lib.optionalAttrs maildirEnabled (compactAttrs {
backend = "maildir";
maildir-root-dir = account.maildir.absPath;
});
notmuchConfig = lib.optionalAttrs notmuchEnabled (compactAttrs {
backend = "notmuch";
notmuch-db-path = maildirBasePath;
});
smtpConfig = lib.optionalAttrs (!isNull account.smtp) (compactAttrs {
sender = "smtp";
smtp-host = account.smtp.host;
smtp-port = account.smtp.port;
smtp-ssl = account.smtp.tls.enable;
smtp-starttls = account.smtp.tls.useStartTls;
smtp-login = account.userName;
smtp-auth = "passwd";
smtp-passwd.cmd = builtins.concatStringsSep " " account.passwordCommand;
});
sendmailConfig =
lib.optionalAttrs (isNull account.smtp && !isNull account.msmtp) {
sender = "sendmail";
sendmail-cmd = "${pkgs.msmtp}/bin/msmtp";
};
config = globalConfig // signatureConfig // imapConfig // maildirConfig
// notmuchConfig // smtpConfig // sendmailConfig;
in lib.recursiveUpdate config account.himalaya.settings;
# make a systemd service config from a name and a description
mkServiceConfig = name: desc:
let
inherit (config.services."himalaya-${name}") enable environment settings;
optionalArg = key:
if (key ? settings && !isNull settings."${key}") then
[ "--${key} ${settings."${key}"}" ]
else
[ ];
in {
"himalaya-${name}" = lib.mkIf enable {
Unit = {
Description = desc;
After = [ "network.target" ];
};
Install = { WantedBy = [ "default.target" ]; };
Service = {
ExecStart = lib.concatStringsSep " "
([ "${himalaya.package}/bin/himalaya" ] ++ optionalArg "account"
++ [ name ] ++ optionalArg "keepalive");
ExecSearchPath = "/bin";
Environment =
lib.mapAttrsToList (key: val: "${key}=${val}") environment;
Restart = "always";
RestartSec = 10;
};
};
};
in {
meta.maintainers = with lib.hm.maintainers; [ soywod toastal ];
options = {
programs.himalaya = {
enable = lib.mkEnableOption "the Himalaya email client";
package = lib.mkPackageOption pkgs "himalaya" { };
settings = lib.mkOption {
type = lib.types.submodule { freeformType = tomlFormat.type; };
default = { };
description = ''
Himalaya global configuration.
See <link xlink:href="https://pimalaya.org/himalaya/cli/configuration/global.html"/> for supported values.
'';
};
};
services = {
himalaya-notify = {
enable = lib.mkEnableOption "the Himalaya new emails notifier service";
environment = lib.mkOption {
type = with lib.types; attrsOf str;
default = { };
example = lib.literalExpression ''
{
"PASSWORD_STORE_DIR" = "~/.password-store";
}
'';
description = ''
Extra environment variables to be exported in the service.
'';
};
settings = {
account = lib.mkOption {
type = with lib.types; nullOr str;
default = null;
example = "gmail";
description = ''
Name of the account the notifier should be started for. If
no account is given, the default one is used.
'';
};
keepalive = lib.mkOption {
type = with lib.types; nullOr int;
default = null;
example = "500";
description = ''
Notifier lifetime of the IDLE session (in seconds).
'';
};
};
};
himalaya-watch = {
enable =
lib.mkEnableOption "the Himalaya folder changes watcher service";
environment = lib.mkOption {
type = with lib.types; attrsOf str;
default = { };
example = lib.literalExpression ''
{
"PASSWORD_STORE_DIR" = "~/.password-store";
}
'';
description = ''
Extra environment variables to be exported in the service.
'';
};
settings = {
account = lib.mkOption {
type = with lib.types; nullOr str;
default = null;
example = "gmail";
description = ''
Name of the account the watcher should be started for. If
no account is given, the default one is used.
'';
};
keepalive = lib.mkOption {
type = with lib.types; nullOr int;
default = null;
example = "500";
description = ''
Watcher lifetime of the IDLE session (in seconds).
'';
};
};
};
};
accounts.email.accounts = lib.mkOption {
type = lib.types.attrsOf (lib.types.submodule {
options.himalaya = {
enable = lib.mkEnableOption "Himalaya for this email account";
# TODO: remove me for the next release
backend = lib.mkOption {
type = with lib.types; nullOr str;
default = null;
description = lib.mdDoc ''
Specifying {option}`accounts.email.accounts.*.himalaya.backend` is deprecated,
set {option}`accounts.email.accounts.*.himalaya.settings.backend` instead.
'';
};
# TODO: remove me for the next release
sender = lib.mkOption {
type = with lib.types; nullOr str;
description = lib.mdDoc ''
Specifying {option}`accounts.email.accounts.*.himalaya.sender` is deprecated,
set {option}'accounts.email.accounts.*.himalaya.settings.sender' instead.
'';
};
settings = lib.mkOption {
type = lib.types.submodule { freeformType = tomlFormat.type; };
default = { };
description = ''
Himalaya configuration for this email account.
See <link xlink:href="https://pimalaya.org/himalaya/cli/configuration/account.html"/> for supported values.
'';
};
};
});
};
};
config = lib.mkIf himalaya.enable {
home.packages = [ himalaya.package ];
xdg.configFile."himalaya/config.toml".source = let
enabledAccounts = lib.filterAttrs (_: account: account.himalaya.enable)
config.accounts.email.accounts;
accountsConfig = lib.mapAttrs mkAccountConfig enabledAccounts;
globalConfig = compactAttrs himalaya.settings;
allConfig = globalConfig // accountsConfig;
in tomlFormat.generate "himalaya-config.toml" allConfig;
systemd.user.services = { }
// mkServiceConfig "notify" "Himalaya new emails notifier service"
// mkServiceConfig "watch" "Himalaya folder changes watcher service";
# TODO: remove me for the next release
warnings = (lib.optional ("backend" ? himalaya && !isNull himalaya.backend)
"Specifying 'accounts.email.accounts.*.himalaya.backend' is deprecated, set 'accounts.email.accounts.*.himalaya.settings.backend' instead")
++ (lib.optional ("sender" ? himalaya && !isNull himalaya.sender)
"Specifying 'accounts.email.accounts.*.himalaya.sender' is deprecated, set 'accounts.email.accounts.*.himalaya.settings.sender' instead.");
};
}