gnu: Add pwgen.

* gnu/packages/password-utils.scm: New file.
* gnu-system.am (GNU_SYSTEM_MODULES): Add it.

gnu-system.am

@@ -239,6 +239,7 @@ GNU_SYSTEM_MODULES =				\
   gnu/packages/ots.scm				\
   gnu/packages/package-management.scm		\
   gnu/packages/parallel.scm			\
+  gnu/packages/password-utils.scm		\
   gnu/packages/patchutils.scm			\
   gnu/packages/pciutils.scm			\
   gnu/packages/pcre.scm				\

gnu/packages/password-utils.scm

@@ -0,0 +1,43 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2015 Steve Sprang <scs@stevesprang.com>
+;;;
+;;; 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 password-utils)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix build-system gnu)
+  #:use-module (guix download)
+  #:use-module (guix packages))
+
+(define-public pwgen
+  (package
+    (name "pwgen")
+    (version "2.07")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://sourceforge/pwgen/pwgen-"
+                           version ".tar.gz"))
+       (sha256
+        (base32 "0mhmw700kkh238fzivcwnwi94bj9f3h36yfh3k3j2v19b0zmjx7b"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:tests? #f)) ; no test suite
+    (home-page "http://pwgen.sourceforge.net/")
+    (synopsis "Password generator")
+    (description "Pwgen generates passwords which can be easily memorized by a
+human.")
+    (license license:gpl2)))