From ac9aaa4d5098fd1ea4bc4bd98545d8ce5e2ca8c7 Mon Sep 17 00:00:00 2001
From: Jai Flack <jaiflack@protonmail.com>
Date: Tue, 15 Sep 2020 12:34:23 +1000
Subject: [PATCH] initial package outline

---
 .gitignore |  3 ---
 nnir-mu.el | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 68 insertions(+), 3 deletions(-)
 create mode 100644 nnir-mu.el

diff --git a/.gitignore b/.gitignore
index 92112be..b169b31 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,9 +2,6 @@
 # Compiled
 *.elc
 
-# Packaging
-.cask
-
 # Backup files
 *~
 
diff --git a/nnir-mu.el b/nnir-mu.el
new file mode 100644
index 0000000..d716b7a
--- /dev/null
+++ b/nnir-mu.el
@@ -0,0 +1,68 @@
+;;; nnmu.el --- mu backend for nnir -*- lexical-binding: t -*-
+
+;; Copyright (C) 2020 Jai Flack
+
+;; Author: Jai Flack <jflack@disroot.org>
+;; Version: 2020-09-15
+;; URL: https://git.disroot.org/jflack/nnir-mu
+;; Package-Requires: ((emacs "24.1"))
+;; Keywords: Gnus nnir mu
+
+;; This file is NOT part of GNU Emacs.
+
+;; This program is free software: you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation, either version 3 of the License, or
+;; (at your option) any later version.
+
+;; This program is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+;; GNU General Public License for more details.
+
+;; You should have received a copy of the GNU General Public License
+;; along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+;;; Commentary
+
+;; This package provides an `mu' backend for Gnus' nnir as an alternative to notmuch or any other
+;; backends. It relies on the `mu' executable and thus can only search local mail and requires `mu'
+;; to be configured for your mail setup. Tested with an nnmaildir backend synced with mbsync.
+
+;;; Code:
+
+(require 'nnir)
+
+
+(defcustom nnir-mu-program "mu"
+  "Name of mu search executable."
+  :type '(string)
+  :group 'nnir)
+
+(defcustom nnir-mu-additional-switches '()
+  "A list of strings, to be given as additional arguments to mu."
+  :type '(repeat (string))
+  :group 'nnir)
+
+(defcustom nnir-mu-remove-prefix
+  (regexp-quote (or (getenv "MAILDIR") (expand-file-name "~/Mail")))
+  "The prefix to remove from each file name returned by notmuch
+in order to get a group name. Generally this should be set to
+your path to your mail directory. This is a regular expression.
+
+This is very similar to `nnir-notmuch-remove-prefix' and
+`nnir-namazu-remove-prefix'."
+  :type '(regexp)
+  :group 'nnir)
+
+(defcustom nnir-mu-filter-group-names-function nil)
+
+
+(defun nnir-run-mu (query server &optional groups)
+  "Run QUERY against mu.")
+
+
+(add-to-list 'nnir-engines '(mu nnir-run-mu
+				()))
+
+(provide 'nnir-mu)