From d6ef391bccbeb398836b7dead18c1c284b26dec1 Mon Sep 17 00:00:00 2001
From: Maxim Cournoyer <address@hidden>
Date: Thu, 20 Jun 2019 08:58:47 +0900
Subject: [PATCH 3/3] gnu: Add emacs-gnugo.

* gnu/packages/games.scm (emacs-gnugo): New variable.
---
 gnu/packages/games.scm | 34 ++++++++++++++++++++++++++++++++++
 1 file changed, 34 insertions(+)

diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index 202221a987..273ef05319 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -40,6 +40,7 @@
 ;;; Copyright © 2019 Oleg Pykhalov <address@hidden>
 ;;; Copyright © 2019 Pierre Langlois <address@hidden>
 ;;; Copyright © 2019 Julien Lepiller <address@hidden>
+;;; Copyright © 2019 Maxim Cournoyer <address@hidden>
 ;;;
 ;;; This file is part of GNU Guix.
 ;;;
@@ -86,6 +87,7 @@
   #:use-module (gnu packages cyrus-sasl)
   #:use-module (gnu packages documentation)
   #:use-module (gnu packages docbook)
+  #:use-module (gnu packages emacs-xyz)
   #:use-module (gnu packages flex)
   #:use-module (gnu packages fltk)
   #:use-module (gnu packages fonts)
@@ -159,6 +161,7 @@
   #:use-module (gnu packages messaging)
   #:use-module (gnu packages networking)
   #:use-module (guix build-system glib-or-gtk)
+  #:use-module (guix build-system emacs)
   #:use-module (guix build-system gnu)
   #:use-module (guix build-system go)
   #:use-module (guix build-system meson)
@@ -2087,6 +2090,37 @@ Protocol).")
     (home-page "https://www.gnu.org/software/gnugo/")
     (license license:gpl3+)))
 
+(define-public emacs-gnugo
+  (package
+    (name "emacs-gnugo")
+    (version "3.1.0")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "https://elpa.gnu.org/packages/gnugo-"
+                           version ".tar"))
+       (sha256
+        (base32
+         "0xpjvs250gg71qwapdsb1hlc61gs0gpkjds01srf784fvyxx2gf1"))))
+    (build-system emacs-build-system)
+    (arguments
+     `(#:phases (modify-phases %standard-phases
+                  (add-after 'unpack 'configure-default-gnugo-xpms-variable
+                    (lambda _
+                      (substitute* "gnugo.el"
+                        (("defvar gnugo-xpms nil")
+                         "defvar gnugo-xpms #'gnugo-imgen-create-xpms"))
+                      #t)))))
+    (propagated-inputs
+     `(("emacs-ascii-art-to-unicode" ,emacs-ascii-art-to-unicode)
+       ("emacs-xpm" ,emacs-xpm)))
+    (home-page "https://elpa.gnu.org/packages/gnugo.html")
+    (synopsis "Emacs major mode for playing GNU Go")
+    (description "This package provides an Emacs based interface for GNU Go.
+It has a graphical mode where the board and stones are drawn using XPM images
+and supports the use of a mouse.")
+    (license license:gpl3+)))
+
 (define-public extremetuxracer
   (package
     (name "extremetuxracer")
-- 
2.21.0