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59 lines
2.4 KiB
Scheme
59 lines
2.4 KiB
Scheme
;;; Guix --- Nix package management from Guile. -*- coding: utf-8 -*-
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;;; Copyright (C) 2012 Nikita Karetnikov <nikita@karetnikov.org>
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;;;
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;;; This file is part of Guix.
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;;;
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;;; Guix is free software; you can redistribute it and/or modify it
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;;; under the terms of the GNU General Public License as published by
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;;; the Free Software Foundation; either version 3 of the License, or (at
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;;; your option) any later version.
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;;;
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;;; Guix is distributed in the hope that it will be useful, but
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;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;;; GNU General Public License for more details.
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;;;
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;;; You should have received a copy of the GNU General Public License
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;;; along with Guix. If not, see <http://www.gnu.org/licenses/>.
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(define-module (distro packages ddrescue)
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#:use-module (guix packages)
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#:use-module (guix download)
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#:use-module (guix build-system gnu))
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(define-public ddrescue
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(package
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(name "ddrescue")
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(version "1.16")
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(source
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(origin
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(method url-fetch)
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(uri (string-append "mirror://gnu/ddrescue/ddrescue-"
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version ".tar.gz"))
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(sha256
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(base32
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"1rixya7p8c4jrn4p0flf6h5dqwybrilf3hrj4r7x41h3zgjz5cvn"))))
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(build-system gnu-build-system)
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(home-page
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"http://www.gnu.org/software/ddrescue/ddrescue.html")
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(synopsis "GNU ddrescue, a data recovery tool")
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(description
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"GNU ddrescue is a data recovery tool. It copies data from one
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file or block device (hard disc, cdrom, etc) to another, trying hard to
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rescue data in case of read errors.
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The basic operation of ddrescue is fully automatic. That is, you don't
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have to wait for an error, stop the program, read the log, run it in
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reverse mode, etc.
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If you use the logfile feature of ddrescue, the data is rescued very
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efficiently (only the needed blocks are read). Also you can interrupt
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the rescue at any time and resume it later at the same point.
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Automatic merging of backups: If you have two or more damaged copies of
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a file, cdrom, etc, and run ddrescue on all of them, one at a time, with
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the same output file, you will probably obtain a complete and error-free
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file. This is so because the probability of having damaged areas at the
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same places on different input files is very low. Using the logfile,
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only the needed blocks are read from the second and successive copies.")
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(license "GPLv3+")))
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