gnu: Merge Parted, fdisk, and ddrescue in (gnu packages disk).

* gnu/packages/parted.scm: Rename to...
* gnu/packages/disk.scm: ... this.  New file.  Merge with...
* gnu/packages/fdisk.scm: ... this; remove file;
* gnu/packages/ddrescue.scm: ... and this; remove file.
* gnu/system/install.scm, gnu/system/vm.scm: Adjust accordingly.
* gnu-system.am (GNU_SYSTEM_MODULES): Remove
  gnu/packages/{parted,fdisk,ddrescue}.scm and add
  gnu/packages/disk.scm.

gnu/packages/disk.scm

@@ -0,0 +1,121 @@
+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2012, 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 disk)
+  #:use-module (guix licenses)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu)
+  #:use-module (gnu packages check)
+  #:use-module (gnu packages gettext)
+  #:use-module (gnu packages linux)
+  #:use-module (gnu packages readline)
+  #:use-module (gnu packages guile)
+  #:use-module ((gnu packages compression)
+                #:select (lzip)))
+
+(define-public parted
+  (package
+    (name "parted")
+    (version "3.1")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "mirror://gnu/parted/parted-"
+                          version ".tar.xz"))
+      (sha256
+       (base32
+        "05fa4m1bky9d13hqv91jlnngzlyn7y4rnnyq6d86w0dg3vww372y"))))
+    (build-system gnu-build-system)
+    (arguments `(#:configure-flags '("--disable-device-mapper")
+                 #:phases (alist-cons-before
+                           'configure 'fix-mkswap
+                           (lambda* (#:key inputs #:allow-other-keys)
+                             (let ((util-linux (assoc-ref inputs
+                                                          "util-linux")))
+                               (substitute*
+                                   "tests/t9050-partition-table-types.sh"
+                                 (("mkswap")
+                                  (string-append util-linux "/sbin/mkswap")))))
+                           %standard-phases)))
+    (inputs
+     ;; XXX: add 'lvm2'.
+     `(("check" ,check)
+
+       ;; With Readline 6.3, parted/ui.c fails to build because it uses the
+       ;; now undefined 'CPPFunction' type.
+       ("readline" ,readline-6.2)
+
+       ("util-linux" ,util-linux)))
+    (native-inputs
+     `(("gettext" ,gnu-gettext)))
+    (home-page "http://www.gnu.org/software/parted/")
+    (synopsis "Disk partition editor")
+    (description
+     "GNU Parted is a package for creating and manipulating disk partition
+tables.  It includes a library and command-line utility.")
+    (license gpl3+)))
+
+(define-public fdisk
+  (package
+    (name "fdisk")
+    (version "2.0.0a")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "mirror://gnu/fdisk/gnufdisk-"
+                          version ".tar.gz"))
+      (sha256
+       (base32
+        "04nd7civ561x2lwcmxhsqbprml3178jfc58fy1v7hzqg5k4nbhy3"))))
+    (build-system gnu-build-system)
+    (inputs
+     `(("gettext" ,gnu-gettext)
+       ("guile" ,guile-1.8)
+       ("util-linux" ,util-linux)
+       ("parted" ,parted)))
+    (home-page "https://www.gnu.org/software/fdisk/")
+    (synopsis "Low-level disk partitioning and formatting")
+    (description
+     "GNU fdisk provides a GNU version of the common disk partitioning tool
+fdisk.  fdisk is used for the creation and manipulation of disk partition
+tables, and it understands a variety of different formats.")
+    (license gpl3+)))
+
+(define-public ddrescue
+  (package
+    (name "ddrescue")
+    (version "1.17")
+    (source
+     (origin
+      (method url-fetch)
+      (uri (string-append "mirror://gnu/ddrescue/ddrescue-"
+                          version ".tar.lz"))
+      (sha256
+       (base32
+        "0bvmsbzli2j4czwkabzs978n1y6vx31axh02kpgcf7033cc6rydy"))))
+    (build-system gnu-build-system)
+    (home-page "http://www.gnu.org/software/ddrescue/ddrescue.html")
+    (synopsis "Data recovery utility")
+    (native-inputs `(("lzip" ,lzip)))
+    (description
+     "GNU ddrescue is a fully automated data recovery tool.  It copies data
+from one file to another, working to rescue data in case of read errors.  The
+program also includes a tool for manipulating its log files, which are used
+to recover data more efficiently by only reading the necessary blocks.")
+    (license gpl3+)))