mu4e-separate-emacs.txt

otwieracz@odyssey:~$ ls ~/.mu4e
mu4e.el  spacemacs  spacemacs.el
otwieracz@odyssey:~$ cat ~/.mu4e/mu4e.el
(setq user-home-directory "~/.mu4e/")
(setq dotspacemacs-filepath "~/.mu4e/spacemacs.el")
(setq spacemacs-start-directory "~/.mu4e/spacemacs/")

;; override server-running-p to prevent from starting daemon
(require 'server)
(defun server-running-p ()
    t)

(load-file (concat spacemacs-start-directory "init.el"))

otwieracz@odyssey:~$ head ~/.mu4e/spacemacs.el
;; -*- mode: emacs-lisp -*-
;; This file is loaded by Spacemacs at startup.
;; It must be stored in your home directory.

(defun dotspacemacs/layers ()
  "Configuration Layers declaration.
You should not put any user code in this function besides modifying the variable
values."
  (setq-default
   ;; Base distribution to use. This is a layer contained in the directory
otwieracz@odyssey:~$ grep mu4e ~/.config/i3/config
assign [title="^mu4e$"] 7
bindsym $mod+y exec "emacs -T mu4e -q -l ~/.mu4e/mu4e.el"