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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.mbsync;
# Accounts for which mbsync is enabled.
mbsyncAccounts =
filter (a: a.mbsync.enable) (attrValues config.accounts.email.accounts);
genTlsConfig = tls:
{
SSLType = if !tls.enable then
"None"
else if tls.useStartTls then
"STARTTLS"
else
"IMAPS";
} // optionalAttrs (tls.enable && tls.certificatesFile != null) {
CertificateFile = toString tls.certificatesFile;
};
masterSlaveMapping = {
none = "None";
imap = "Master";
maildir = "Slave";
both = "Both";
};
genSection = header: entries:
let
escapeValue = escape [ ''"'' ];
hasSpace = v: builtins.match ".* .*" v != null;
genValue = n: v:
if isList v then
concatMapStringsSep " " (genValue n) v
else if isBool v then
(if v then "yes" else "no")
else if isInt v then
toString v
else if isString v && hasSpace v then
''"${escapeValue v}"''
else if isString v then
v
else
let prettyV = lib.generators.toPretty { } v;
in throw "mbsync: unexpected value for option ${n}: '${prettyV}'";
in ''
${header}
${concatStringsSep "\n"
(mapAttrsToList (n: v: "${n} ${genValue n v}") entries)}
'';
genAccountConfig = account:
with account;
genSection "IMAPAccount ${name}" ({
Host = imap.host;
User = userName;
PassCmd = toString passwordCommand;
} // genTlsConfig imap.tls
// optionalAttrs (imap.port != null) { Port = toString imap.port; }
// mbsync.extraConfig.account) + "\n"
+ genSection "IMAPStore ${name}-remote"
({ Account = name; } // mbsync.extraConfig.remote) + "\n"
+ genSection "MaildirStore ${name}-local" ({
Path = "${maildir.absPath}/";
Inbox = "${maildir.absPath}/${folders.inbox}";
SubFolders = "Verbatim";
} // optionalAttrs (mbsync.flatten != null) { Flatten = mbsync.flatten; }
// mbsync.extraConfig.local) + "\n" + genSection "Channel ${name}" ({
Master = ":${name}-remote:";
Slave = ":${name}-local:";
Patterns = mbsync.patterns;
Create = masterSlaveMapping.${mbsync.create};
Remove = masterSlaveMapping.${mbsync.remove};
Expunge = masterSlaveMapping.${mbsync.expunge};
SyncState = "*";
} // mbsync.extraConfig.channel) + "\n";
genGroupConfig = name: channels:
let
genGroupChannel = n: boxes: "Channel ${n}:${concatStringsSep "," boxes}";
in concatStringsSep "\n"
([ "Group ${name}" ] ++ mapAttrsToList genGroupChannel channels);
in {
options = {
programs.mbsync = {
enable = mkEnableOption "mbsync IMAP4 and Maildir mailbox synchronizer";
package = mkOption {
type = types.package;
default = pkgs.isync;
defaultText = literalExample "pkgs.isync";
example = literalExample "pkgs.isync";
description = "The package to use for the mbsync binary.";
};
groups = mkOption {
type = types.attrsOf (types.attrsOf (types.listOf types.str));
default = { };
example = literalExample ''
{
inboxes = {
account1 = [ "Inbox" ];
account2 = [ "Inbox" ];
};
}
'';
description = ''
Definition of groups.
'';
};
extraConfig = mkOption {
type = types.lines;
default = "";
description = ''
Extra configuration lines to add to the mbsync configuration.
'';
};
};
};
config = mkIf cfg.enable {
assertions = let
checkAccounts = pred: msg:
let badAccounts = filter pred mbsyncAccounts;
in {
assertion = badAccounts == [ ];
message = "mbsync: ${msg} for accounts: "
+ concatMapStringsSep ", " (a: a.name) badAccounts;
};
in [
(checkAccounts (a: a.maildir == null) "Missing maildir configuration")
(checkAccounts (a: a.imap == null) "Missing IMAP configuration")
(checkAccounts (a: a.passwordCommand == null) "Missing passwordCommand")
(checkAccounts (a: a.userName == null) "Missing username")
];
home.packages = [ cfg.package ];
programs.notmuch.new.ignore = [ ".uidvalidity" ".mbsyncstate" ];
home.file.".mbsyncrc".text = let
accountsConfig = map genAccountConfig mbsyncAccounts;
groupsConfig = mapAttrsToList genGroupConfig cfg.groups;
in concatStringsSep "\n" ([''
# Generated by Home Manager.
''] ++ optional (cfg.extraConfig != "") cfg.extraConfig ++ accountsConfig
++ groupsConfig) + "\n";
home.activation = mkIf (mbsyncAccounts != [ ]) {
createMaildir =
hm.dag.entryBetween [ "linkGeneration" ] [ "writeBoundary" ] ''
$DRY_RUN_CMD mkdir -m700 -p $VERBOSE_ARG ${
concatMapStringsSep " " (a: a.maildir.absPath) mbsyncAccounts
}
'';
};
};
}
|
