Introduce packages/chess.el

[Stefan Reichör]

Hi there,

I would like to add some chess related packages to GUIX.
I found the packages xboard and chess that are already covered by GUIX.

The attached patch moves these two packages to a new file named chess.scm

I would like to add some more chess related packages to chess.scm in the future.

Stefan.

>From 7fb3eba51f0919a2e1c9b13ecb4ff77757bf4267 Mon Sep 17 00:00:00 2001
From: Stefan Reichoer <address@hidden>
Date: Sat, 7 Jan 2017 20:30:14 +0100
Subject: [PATCH] gnu: chess, xboard: Move to (gnu packages chess).

* gnu/packages/games.scm: Move 'chess', 'xboard' to...

* gnu/packages/chess.scm: New file.

* gnu/local.mk (GNU_SYSTEM_MODULES): Add chess.scm.
---
 gnu/local.mk           |  1 +
 gnu/packages/chess.scm | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++
 gnu/packages/games.scm | 49 --------------------------------
 3 files changed, 78 insertions(+), 49 deletions(-)
 create mode 100644 gnu/packages/chess.scm

diff --git a/gnu/local.mk b/gnu/local.mk
index 1889a0e..b043f41 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -69,6 +69,7 @@ GNU_SYSTEM_MODULES =                          \
   %D%/packages/c.scm                           \
   %D%/packages/calcurse.scm                    \
   %D%/packages/ccache.scm                      \
+  %D%/packages/chess.scm                       \
   %D%/packages/cdrom.scm                       \
   %D%/packages/certs.scm                       \
   %D%/packages/check.scm                       \
diff --git a/gnu/packages/chess.scm b/gnu/packages/chess.scm
new file mode 100644
index 0000000..28383c8
--- /dev/null
+++ b/gnu/packages/chess.scm
@@ -0,0 +1,77 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013 John Darrington <address@hidden>
+;;; Copyright © 2016 Sou Bunnbu <address@hidden>
+;;; Copyright © 2016 Efraim Flashner <address@hidden>
+;;;
+;;; This file is part of GNU Guix.
+;;;
+;;; GNU Guix 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.
+;;;
+;;; GNU Guix 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 GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
+
+(define-module (gnu packages chess)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (gnu packages)
+  #:use-module (gnu packages gtk)
+  #:use-module (gnu packages pkg-config)
+  #:use-module (gnu packages texinfo)
+  #:use-module (guix build-system gnu))
+
+(define-public chess
+  (package
+    (name "chess")
+    (version "6.2.4")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://gnu/chess/gnuchess-" version
+                           ".tar.gz"))
+       (sha256
+        (base32
+         "1vw2w3jwnmn44d5vsw47f8y70xvxcsz9m5msq9fgqlzjch15qhiw"))))
+    (build-system gnu-build-system)
+    (home-page "https://www.gnu.org/software/chess";)
+    (synopsis "Full chess implementation")
+    (description "GNU Chess is a chess engine.  It allows you to compete
+against the computer in a game of chess, either through the default terminal
+interface or via an external visual interface such as GNU XBoard.")
+    (license license:gpl3+)))
+
+(define-public xboard
+  (package
+    (name "xboard")
+    (version "4.9.1")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://gnu/xboard/xboard-" version
+                           ".tar.gz"))
+       (sha256
+        (base32
+         "1mkh36xnnacnz9r00b5f9ld9309k32jv6mcavklbdnca8bl56bib"))))
+    (build-system gnu-build-system)
+    (inputs
+     `(("gtk+" ,gtk+-2)
+       ("librsvg" ,librsvg)))
+    (native-inputs
+     `(("texinfo" ,texinfo)
+       ("pkg-config" ,pkg-config)))
+    (home-page "https://www.gnu.org/software/xboard";)
+    (synopsis "Graphical user interface for chess programs")
+    (description "GNU XBoard is a graphical board for all varieties of chess,
+including international chess, xiangqi (Chinese chess), shogi (Japanese chess)
+and Makruk.  Several lesser-known variants are also supported.  It presents a
+fully interactive graphical interface and it can load and save games in the
+Portable Game Notation.")
+    (license license:gpl3+)))
diff --git a/gnu/packages/games.scm b/gnu/packages/games.scm
index c449f59..2b260ca 100644
--- a/gnu/packages/games.scm
+++ b/gnu/packages/games.scm
@@ -327,26 +327,6 @@ settings up to 132x300 and can scroll lines all at the 
same rate or
 asynchronously and at a user-defined speed.")
     (license license:gpl2+)))
 
-(define-public chess
-  (package
-    (name "chess")
-    (version "6.2.4")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "mirror://gnu/chess/gnuchess-" version
-                           ".tar.gz"))
-       (sha256
-        (base32
-         "1vw2w3jwnmn44d5vsw47f8y70xvxcsz9m5msq9fgqlzjch15qhiw"))))
-    (build-system gnu-build-system)
-    (home-page "https://www.gnu.org/software/chess";)
-    (synopsis "Full chess implementation")
-    (description "GNU Chess is a chess engine.  It allows you to compete
-against the computer in a game of chess, either through the default terminal
-interface or via an external visual interface such as GNU XBoard.")
-    (license license:gpl3+)))
-
 (define freedink-engine
   (package
     (name "freedink-engine")
@@ -428,35 +408,6 @@ exec ~a/bin/freedink -refdir ~a/share/dink\n"
               ("bash" ,bash)))
     (native-inputs '())))
 
-(define-public xboard
-  (package
-    (name "xboard")
-    (version "4.9.1")
-    (source
-     (origin
-       (method url-fetch)
-       (uri (string-append "mirror://gnu/xboard/xboard-" version
-                           ".tar.gz"))
-       (sha256
-        (base32
-         "1mkh36xnnacnz9r00b5f9ld9309k32jv6mcavklbdnca8bl56bib"))))
-    (build-system gnu-build-system)
-    (inputs
-     `(("gtk+" ,gtk+-2)
-       ("librsvg" ,librsvg)))
-    (native-inputs
-     `(("texinfo" ,texinfo)
-       ("pkg-config" ,pkg-config)))
-    (home-page "https://www.gnu.org/software/xboard";)
-    (synopsis "Graphical user interface for chess programs")
-    (description "GNU XBoard is a graphical board for all varieties of chess,
-including international chess, xiangqi (Chinese chess), shogi (Japanese chess)
-and Makruk.  Several lesser-known variants are also supported.  It presents a
-fully interactive graphical interface and it can load and save games in the
-Portable Game Notation.")
-    (license license:gpl3+)))
-
-
 (define-public xboing
   (package
     (name "xboing")
-- 
2.7.4