fix(communication/neomutt): fixed mbsync syncing with different modes

Now there are two channels created for every account quick and full
variants, quick only gives new emails and full does the whole sync.
neomutt-sync can now be told which channel to use to sync with.

1 files changed, 102 insertions, 2 deletions

diff --git a/modules/communication/neomutt/mail/mbsync.nix b/modules/communication/neomutt/mail/mbsync.nix
index 28b7b2c..1d21377 100644
--- a/modules/communication/neomutt/mail/mbsync.nix
+++ b/modules/communication/neomutt/mail/mbsync.nix
@@ -1,7 +1,107 @@
-# Mailbox synchronization
-{ config, lib, ... }:
+{
+  config,
+  lib,
+  ...
+}@inputs:
+let
+  genValue =
+    v:
+    if lib.isList v then
+      lib.concatStringsSep " " (map genValue v)
+    else if lib.isBool v then
+      lib.hm.booleans.yesNo v
+    else if lib.isInt v then
+      toString v
+    else if lib.isString v then
+      if builtins.match ".* .*" v != null then ''"${lib.escape [ ''"'' ] v}"'' else v
+    else
+      throw "Unsupported mbsync value";
+
+  genSection = name: attrs: ''
+    ${name}
+    ${lib.concatStringsSep "\n" (lib.mapAttrsToList (n: v: "${n} ${genValue v}") attrs)}
+  '';
+
+  genAccount =
+    a:
+    let
+      mbsyncNames = (import ../lib.nix inputs).mbsyncNamesFromName a.name;
+
+      quick = {
+        Far = ":${mbsyncNames.servers.remote}:\"INBOX\"";
+        Near = ":${mbsyncNames.servers.local}:\"INBOX\"";
+        Create = "Near";
+        Expunge = "None";
+        Sync = [
+          "Pull"
+          "New"
+        ];
+        SyncState = "*";
+      };
+
+      full = {
+        Far = ":${mbsyncNames.servers.remote}:";
+        Near = ":${mbsyncNames.servers.local}:";
+        Patterns = a.mbsync.patterns;
+        Create = "Near";
+        Expunge = "Both";
+        Sync = "All";
+        SyncState = "*";
+      };
+    in
+    genSection "IMAPAccount ${mbsyncNames.base}" (
+      {
+        Host = a.imap.host;
+        User = a.userName;
+        PipelineDepth = 50;
+        TLSType =
+          if !a.imap.tls.enable then
+            "None"
+          else if a.imap.tls.useStartTls then
+            "STARTTLS"
+          else
+            "IMAPS";
+      }
+      // lib.optionalAttrs (a.passwordCommand != null) {
+        PassCmd = toString a.passwordCommand;
+      }
+      // lib.optionalAttrs (a.imap.tls.certificatesFile != null) {
+        CertificateFile = toString a.imap.tls.certificatesFile;
+      }
+      // lib.optionalAttrs (a.imap.port != null) {
+        Port = a.imap.port;
+      }
+    )
+
+    + "\n"
+    + genSection "IMAPStore ${mbsyncNames.servers.remote}" {
+      Account = mbsyncNames.base;
+    }
+
+    + "\n"
+    + genSection "MaildirStore ${mbsyncNames.servers.local}" {
+      Path = "${a.maildir.absPath}/";
+      Inbox = "${a.maildir.absPath}/${a.folders.inbox}";
+      SubFolders = "Verbatim";
+    }
+
+    + "\n"
+    + genSection "Channel ${mbsyncNames.channels.quick}" quick
+
+    + "\n"
+    + genSection "Channel ${mbsyncNames.channels.full}" full
+
+    + "\n";
+
+  accounts = lib.filter (a: a.enable && a.mbsync.enable) (
+    lib.attrValues config.accounts.email.accounts
+  );
+
+in
 {
   config = lib.mkIf config.communication.neomutt.enable {
     programs.mbsync.enable = true;
+
+    xdg.configFile."mbsync/.mbsyncrc".text = lib.concatStringsSep "\n" (map genAccount accounts);
   };
 }