371 lines
10 KiB
Nix
371 lines
10 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.programs.neomutt;
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neomuttAccounts =
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filter (a: a.neomutt.enable) (attrValues config.accounts.email.accounts);
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sidebarModule = types.submodule {
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options = {
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enable = mkEnableOption "sidebar support";
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width = mkOption {
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type = types.int;
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default = 22;
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description = "Width of the sidebar";
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};
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shortPath = mkOption {
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type = types.bool;
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default = true;
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description = ''
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By default sidebar shows the full path of the mailbox, but
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with this enabled only the relative name is shown.
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'';
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};
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format = mkOption {
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type = types.str;
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default = "%D%?F? [%F]?%* %?N?%N/?%S";
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description = ''
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Sidebar format. Check neomutt documentation for details.
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'';
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};
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};
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};
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sortOptions = [
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"date"
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"date-received"
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"from"
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"mailbox-order"
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"score"
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"size"
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"spam"
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"subject"
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"threads"
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"to"
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];
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bindModule = types.submodule {
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options = {
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map = mkOption {
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type = let
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menus = [
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"alias"
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"attach"
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"browser"
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"compose"
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"editor"
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"generic"
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"index"
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"mix"
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"pager"
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"pgp"
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"postpone"
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"query"
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"smime"
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];
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in with types; either (enum menus) (listOf (enum menus));
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default = "index";
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description = "Select the menu to bind the command to.";
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};
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key = mkOption {
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type = types.str;
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example = "<left>";
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description = "The key to bind.";
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};
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action = mkOption {
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type = types.str;
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example = "<enter-command>toggle sidebar_visible<enter><refresh>";
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description = "Specify the action to take.";
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};
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};
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};
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yesno = x: if x then "yes" else "no";
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setOption = n: v: if v == null then "unset ${n}" else "set ${n}=${v}";
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escape = replaceStrings [ "%" ] [ "%25" ];
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accountFilename = account: config.xdg.configHome + "/neomutt/" + account.name;
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genCommonFolderHooks = account:
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with account; {
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from = "'${address}'";
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realname = "'${realName}'";
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spoolfile = "'+${folders.inbox}'";
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record = if folders.sent == null then null else "'+${folders.sent}'";
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postponed = "'+${folders.drafts}'";
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trash = "'+${folders.trash}'";
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};
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mtaSection = account:
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with account;
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let passCmd = concatStringsSep " " passwordCommand;
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in if neomutt.sendMailCommand != null then {
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sendmail = "'${neomutt.sendMailCommand}'";
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} else
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let
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smtpProto = if smtp.tls.enable then "smtps" else "smtp";
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smtpPort = if smtp.port != null then ":${toString smtp.port}" else "";
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smtpBaseUrl =
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"${smtpProto}://${escape userName}@${smtp.host}${smtpPort}";
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in {
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smtp_url = "'${smtpBaseUrl}'";
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smtp_pass = ''"`${passCmd}`"'';
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};
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genMaildirAccountConfig = account:
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with account;
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let
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folderHook = mapAttrsToList setOption (genCommonFolderHooks account
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// optionalAttrs cfg.changeFolderWhenSourcingAccount {
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folder = "'${account.maildir.absPath}'";
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});
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in ''
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${concatStringsSep "\n" folderHook}
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'';
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registerAccount = account:
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let
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mailboxes = if account.neomutt.mailboxName == null then
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"mailboxes"
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else
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''named-mailboxes "${account.neomutt.mailboxName}"'';
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extraMailboxes = concatMapStringsSep "\n" (extra:
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if isString extra then
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''mailboxes "${account.maildir.absPath}/${extra}"''
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else if extra.name == null then
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''mailboxes "${account.maildir.absPath}/${extra.mailbox}"''
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else
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''
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named-mailboxes "${extra.name}" "${account.maildir.absPath}/${extra.mailbox}"'')
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account.neomutt.extraMailboxes;
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in with account; ''
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# register account ${name}
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${mailboxes} "${maildir.absPath}/${folders.inbox}"
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${extraMailboxes}
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folder-hook ${maildir.absPath}/ " \
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source ${accountFilename account} "
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'';
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mraSection = account:
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with account;
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if account.maildir != null then
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genMaildirAccountConfig account
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else
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throw "Only maildir is supported at the moment";
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optionsStr = attrs: concatStringsSep "\n" (mapAttrsToList setOption attrs);
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sidebarSection = ''
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# Sidebar
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set sidebar_visible = yes
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set sidebar_short_path = ${yesno cfg.sidebar.shortPath}
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set sidebar_width = ${toString cfg.sidebar.width}
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set sidebar_format = '${cfg.sidebar.format}'
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'';
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genBindMapper = bindType:
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concatMapStringsSep "\n" (bind:
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''
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${bindType} ${
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concatStringsSep "," (toList bind.map)
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} ${bind.key} "${bind.action}"'');
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bindSection = (genBindMapper "bind") cfg.binds;
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macroSection = (genBindMapper "macro") cfg.macros;
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mailCheckSection = ''
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set mail_check_stats
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set mail_check_stats_interval = ${toString cfg.checkStatsInterval}
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'';
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notmuchSection = account:
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with account; ''
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# notmuch section
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set nm_default_uri = "notmuch://${config.accounts.email.maildirBasePath}"
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virtual-mailboxes "My INBOX" "notmuch://?query=tag:inbox"
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'';
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accountStr = account:
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with account;
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''
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# Generated by Home Manager.
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set ssl_force_tls = yes
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set certificate_file=${toString config.accounts.email.certificatesFile}
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# GPG section
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set crypt_use_gpgme = yes
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set crypt_autosign = ${yesno (gpg.signByDefault or false)}
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set crypt_opportunistic_encrypt = ${yesno (gpg.encryptByDefault or false)}
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set pgp_use_gpg_agent = yes
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set mbox_type = ${if maildir != null then "Maildir" else "mbox"}
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set sort = "${cfg.sort}"
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# MTA section
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${optionsStr (mtaSection account)}
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${optionalString (cfg.checkStatsInterval != null) mailCheckSection}
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${optionalString cfg.sidebar.enable sidebarSection}
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# MRA section
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${mraSection account}
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# Extra configuration
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${account.neomutt.extraConfig}
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'' + optionalString (account.signature.showSignature != "none") ''
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set signature = ${pkgs.writeText "signature.txt" account.signature.text}
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'' + optionalString account.notmuch.enable (notmuchSection account);
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in {
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options = {
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programs.neomutt = {
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enable = mkEnableOption "the NeoMutt mail client";
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package = mkOption {
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type = types.package;
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default = pkgs.neomutt;
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defaultText = literalExpression "pkgs.neomutt";
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description = "The neomutt package to use.";
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};
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sidebar = mkOption {
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type = sidebarModule;
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default = { };
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description = "Options related to the sidebar.";
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};
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binds = mkOption {
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type = types.listOf bindModule;
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default = [ ];
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description = "List of keybindings.";
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};
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macros = mkOption {
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type = types.listOf bindModule;
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default = [ ];
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description = "List of macros.";
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};
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sort = mkOption {
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# allow users to choose any option from sortOptions, or any option prefixed with "reverse-"
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type = types.enum
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(sortOptions ++ (map (option: "reverse-" + option) sortOptions));
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default = "threads";
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description = "Sorting method on messages.";
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};
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vimKeys = mkOption {
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type = types.bool;
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default = false;
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description = "Enable vim-like bindings.";
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};
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checkStatsInterval = mkOption {
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type = types.nullOr types.int;
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default = null;
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example = 60;
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description = "Enable and set the interval of automatic mail check.";
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};
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editor = mkOption {
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type = types.str;
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default = "$EDITOR";
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description = "Select the editor used for writing mail.";
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};
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settings = mkOption {
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type = types.attrsOf types.str;
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default = { };
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description = "Extra configuration appended to the end.";
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};
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changeFolderWhenSourcingAccount =
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mkEnableOption "changing the folder when sourcing an account" // {
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default = true;
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};
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = "Extra configuration appended to the end.";
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};
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};
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accounts.email.accounts = mkOption {
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type = with types; attrsOf (submodule (import ./neomutt-accounts.nix));
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};
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};
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config = mkIf cfg.enable {
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home.packages = [ cfg.package ];
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home.file = let
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rcFile = account: {
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"${accountFilename account}".text = accountStr account;
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};
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in foldl' (a: b: a // b) { } (map rcFile neomuttAccounts);
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xdg.configFile."neomutt/neomuttrc" = mkIf (neomuttAccounts != [ ]) {
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text = let
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# Find the primary account, if it has neomutt enabled;
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# otherwise use the first neomutt account as primary.
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primary =
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head (filter (a: a.primary) neomuttAccounts ++ neomuttAccounts);
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in ''
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# Generated by Home Manager.
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set header_cache = "${config.xdg.cacheHome}/neomutt/headers/"
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set message_cachedir = "${config.xdg.cacheHome}/neomutt/messages/"
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set editor = "${cfg.editor}"
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set implicit_autoview = yes
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alternative_order text/enriched text/plain text
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set delete = yes
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# Binds
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${bindSection}
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# Macros
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${macroSection}
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${optionalString cfg.vimKeys
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"source ${pkgs.neomutt}/share/doc/neomutt/vim-keys/vim-keys.rc"}
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# Register accounts
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${concatMapStringsSep "\n" registerAccount neomuttAccounts}
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# Source primary account
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source ${accountFilename primary}
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# Extra configuration
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${optionsStr cfg.settings}
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${cfg.extraConfig}
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'';
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};
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assertions = [{
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assertion =
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((filter (b: (length (toList b.map)) == 0) (cfg.binds ++ cfg.macros))
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== [ ]);
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message =
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"The 'programs.neomutt.(binds|macros).map' list must contain at least one element.";
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}];
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warnings =
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let hasOldBinds = binds: (filter (b: !(isList b.map)) binds) != [ ];
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in mkIf (hasOldBinds (cfg.binds ++ cfg.macros)) [
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"Specifying 'programs.neomutt.(binds|macros).map' as a string is deprecated, use a list of strings instead. See https://github.com/nix-community/home-manager/pull/1885."
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];
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};
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}
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