From 404284ccca84cec8d0870e3be1a4263fc2bc9f8b Mon Sep 17 00:00:00 2001
From: Matthieu Coudron <mattator@gmail.com>
Date: Mon, 6 Aug 2018 19:11:40 +0900
Subject: [PATCH] notmuch: adding contact completion helpers

so that MUAs can more easily look for contacts.
---
 modules/programs/notmuch.nix | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/modules/programs/notmuch.nix b/modules/programs/notmuch.nix
index 3d7a651f..84e0e41b 100644
--- a/modules/programs/notmuch.nix
+++ b/modules/programs/notmuch.nix
@@ -86,6 +86,24 @@ in
         '';
       };
 
+      contactCompletion = mkOption {
+        type = types.enum [ "address" "simple" ];
+        default = "address";
+        apply = val:
+
+          if val == "address" then ''
+            ${pkgs.bash}/bin/bash -c "${pkgs.notmuch}/bin/notmuch  address --format=json --output=recipients  date:1Y.."'
+            regexp = '\[?{"name": "(?P<name>.*)", "address": "(?P<email>.+)", "name-addr": ".*"}[,\]]?' ''
+          else if val == "config" then
+            "'${pkgs.notmuch}/bin/notmuch address --format=json date:1Y..'"
+          else "";
+
+        description = ''
+          A list of tags that will be added to all messages
+          incorporated by <command>notmuch new</command>.
+        '';
+      };
+
       extraConfig = mkOption {
         type = types.attrsOf (types.attrsOf types.str);
         default = {