From dc443f5149595257780d197fcfdf07585f2e9ed2 Mon Sep 17 00:00:00 2001
From: Arun Isaac <arunisaac@systemreboot.net>
Date: Sat, 27 May 2017 15:20:12 +0530
Subject: [PATCH] gnu: emacs-exwm: Fix DISPLAY environment variable issue.

* gnu/packages/emacs.scm (emacs-exwm): Set DISPLAY environment variable in
  shell wrapper.
---
 gnu/packages/emacs.scm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/gnu/packages/emacs.scm b/gnu/packages/emacs.scm
index a85177d814..13eba9646e 100644
--- a/gnu/packages/emacs.scm
+++ b/gnu/packages/emacs.scm
@@ -4587,9 +4587,12 @@ (define-public emacs-exwm
                      TryExec=~@*~a~@
                      Type=Application~%" ,name ,synopsis exwm-executable)))
                ;; Add a shell wrapper to bin
+               ;; Set DISPLAY variable to work around
+               ;; https://github.com/ch11ng/exwm/issues/213
                (with-output-to-file exwm-executable
                  (lambda _
                    (format #t "#!~a ~@
+                     export DISPLAY=:0 ~@
                      ~a +SI:localuser:$USER ~@
                      exec ~a --exit-with-session ~a \"$@\" --eval '~s' ~%"
                            (string-append (assoc-ref inputs "bash") "/bin/sh")