gnu: services: Add wesnothd service.

* gnu/services/games.scm: New file.
* gnu/local.mk (GNU_SYSTEM_MODULES): Add it.
* doc/guix.texi (Game Services): Document the service.

2 files changed, 82 insertions, 0 deletions

diff --git a/gnu/local.mk b/gnu/local.mk
index 2ef483df0e..d262938103 100644
--- a/gnu/local.mk
+++ b/gnu/local.mk
@@ -458,6 +458,7 @@ GNU_SYSTEM_MODULES =				\
   %D%/services/desktop.scm			\
   %D%/services/dict.scm				\
   %D%/services/dns.scm				\
+  %D%/services/games.scm			\
   %D%/services/kerberos.scm			\
   %D%/services/lirc.scm				\
   %D%/services/virtualization.scm		\
diff --git a/gnu/services/games.scm b/gnu/services/games.scm
new file mode 100644
index 0000000000..b146696237
--- /dev/null
+++ b/gnu/services/games.scm
@@ -0,0 +1,81 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2018 Arun Isaac <arunisaac@systemreboot.net>
+;;;
+;;; 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 services games)
+  #:use-module (gnu services)
+  #:use-module (gnu services shepherd)
+  #:use-module (gnu packages admin)
+  #:use-module (gnu packages games)
+  #:use-module (gnu system shadow)
+  #:use-module (guix gexp)
+  #:use-module (guix modules)
+  #:use-module (guix records)
+  #:use-module (ice-9 match)
+  #:export (wesnothd-configuration
+            wesnoth-configuration?
+            wesnothd-service-type))
+
+;;;
+;;; The Battle for Wesnoth server
+;;;
+
+(define-record-type* <wesnothd-configuration>
+  wesnothd-configuration make-wesnothd-configuration wesnothd-configuration?
+  (package wesnothd-configuration-package
+           (default wesnoth-server))
+  (port wesnothd-configuration-port
+        (default 15000)))
+
+(define %wesnothd-accounts
+  (list (user-account
+         (name "wesnothd")
+         (group "wesnothd")
+         (system? #t)
+         (comment "Wesnoth daemon user")
+         (home-directory "/var/empty")
+         (shell (file-append shadow "/sbin/nologin")))
+        (user-group
+         (name "wesnothd")
+         (system? #t))))
+
+(define wesnothd-shepherd-service
+  (match-lambda
+    (($ <wesnothd-configuration> package port)
+     (with-imported-modules (source-module-closure
+                             '((gnu build shepherd)))
+       (shepherd-service
+        (documentation "The Battle for Wesnoth server")
+        (provision '(wesnoth-daemon))
+        (requirement '(networking))
+        (modules '((gnu build shepherd)))
+        (start #~(make-forkexec-constructor/container
+                  (list #$(file-append package "/bin/wesnothd")
+                        "-p" #$(number->string port))))
+        (stop #~(make-kill-destructor)))))))
+
+(define wesnothd-service-type
+  (service-type
+   (name 'wesnothd)
+   (description
+    "Run The Battle for Wesnoth server @command{wesnothd}.")
+   (extensions
+    (list (service-extension account-service-type
+                             (const %wesnothd-accounts))
+          (service-extension shepherd-root-service-type
+                             (compose list wesnothd-shepherd-service))))
+   (default-value (wesnothd-configuration))))