gnu: Add Grue Hunter.

* gnu/packages/grue-hunter.scm: New file.
* Makefile.am (MODULES): Add it.

Makefile.am

@@ -114,6 +114,7 @@ MODULES =					\
   gnu/packages/gprolog.scm			\
   gnu/packages/groff.scm			\
   gnu/packages/grub.scm				\
+  gnu/packages/grue-hunter.scm			\
   gnu/packages/gsasl.scm			\
   gnu/packages/gtk.scm				\
   gnu/packages/guile.scm			\

gnu/packages/grue-hunter.scm

@@ -0,0 +1,84 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2013 Nikita Karetnikov <nikita@karetnikov.org>
+;;;
+;;; 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 grue-hunter)
+  #:use-module (guix licenses)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system trivial)
+  #:use-module (gnu packages base)
+  #:use-module (gnu packages compression)
+  #:use-module (gnu packages perl))
+
+(define-public grue-hunter
+  (package
+    (name "grue-hunter")
+    (version "1.0")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "http://jxself.org/" name ".tar.gz"))
+      (sha256
+       (base32
+        "1hjcpy5439qs3v2zykis7hsi0i17zjs62gks3zd8mnfw9ni4i2h3"))))
+    (build-system trivial-build-system) ; no Makefile.PL
+    (arguments `(#:modules ((guix build utils))
+                 #:builder
+                 (begin
+                   (use-modules (guix build utils))
+                   (use-modules (srfi srfi-1))
+
+                   (let* ((tarball (assoc-ref %build-inputs "tarball"))
+                          (perl    (string-append (assoc-ref %build-inputs
+                                                             "perl")
+                                                  "/bin"))
+                          (gunzip  (string-append (assoc-ref %build-inputs
+                                                             "gzip")
+                                                  "/bin/gunzip"))
+                          (tar     (string-append (assoc-ref %build-inputs
+                                                             "tar")
+                                                  "/bin/tar"))
+                          (out     (assoc-ref %outputs "out"))
+                          (bin     (string-append out "/bin"))
+                          (doc     (string-append out "/share/doc")))
+                     (begin
+                       (mkdir out)
+                       (copy-file tarball "grue-hunter.tar.gz")
+                       (zero? (system* gunzip "grue-hunter.tar.gz"))
+                       (zero? (system* tar "xvf"  "grue-hunter.tar"))
+
+                       (mkdir-p bin)
+                       (copy-file "grue-hunter/gh.pl"
+                                  (string-append bin "/grue-hunter"))
+                       (patch-shebang (string-append bin "/grue-hunter")
+                                      (list perl))
+
+                       (mkdir-p doc)
+                       (copy-file "grue-hunter/AGPLv3.txt"
+                                  (string-append doc "/grue-hunter")))))))
+    (inputs `(("perl" ,perl)
+              ("tar" ,tar)
+              ("gzip" ,gzip)
+              ("tarball" ,source)))
+    (home-page "http://jxself.org/grue-hunter.shtml")
+    (synopsis "Text adventure game")
+    (description
+     "Grue Hunter is a text adventure game written in Perl.  You must make
+your way through an underground cave system in search of the Grue.  Can you
+capture it and get out alive?")
+    (license agpl3+)))