Emacs: Move EPA config to main so that it's loaded in time by mu4e

.emacs.d/lisp/init-eshell.el

@@ -6,6 +6,9 @@
 ;;; modules, runs their hooks and concludes with `eshell-first-time-mode-hook'
 ;;; (for the first session only) and `eshell-mode-hook'.
 
+;; Emacs pinentry for GPG.
+(require 'main)
+
 ;;; REVIEW: ANSI coloring goes wrong sometimes.  Quite often with emerge/eix.
 ;;; Fixed in #27407.
 (require 'patch-eshell)
@@ -100,12 +103,6 @@
           ("sudo" "wifi-menu") ; Arch Linux
           ("sudo" "vi" "visudo"))))
 
-;;; Support for Emacs' pinentry
-;;; TODO: gpg-agent seems to be misconfigured for mu4e at least:
-;;; See https://github.com/djcb/mu/issues/829.
-(setq epa-pinentry-mode 'loopback) ; This will fail if gpg>=2.1 is not available.
-(pinentry-start)
-
 ;;; Alias management possibilities:
 ;;; - Version eshell-alias and store it in user-emacs-directory. Simplest and
 ;;; fastest, but aliases cannot be included conditionnaly, e.g. depending on the

.emacs.d/lisp/init-mu4e.el

@@ -11,6 +11,9 @@
 ;;; See https://github.com/djcb/mu/issues/454#issuecomment-320616279.
 ;;; TODO: <tab> should go to next link in text e-mails too.
 
+;; Emacs pinentry for GPG.
+(require 'main)
+
 (when (require 'mu4e-maildirs-extension nil t)
   (mu4e-maildirs-extension))
 

.emacs.d/lisp/main.el

@@ -352,4 +352,9 @@
   (when fortune
     (setq initial-scratch-message fortune)))
 
+;;; Support for Emacs pinentry.
+;;; Required for eshell/sudo and everything relying on GPG queries.
+(setq epa-pinentry-mode 'loopback) ; This will fail if gpg>=2.1 is not available.
+(pinentry-start)
+
 (provide 'main)