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zpaq

7.15

Package test results are passing.

This package was approved by moderator gep13 on 5/22/2019.

zpaq manages journaling archives for incremental user-level local or remote backups that conform to The ZPAQ Open Standard Format for Highly Compressed Data (see AVAILABILITY). The format supports encrypted, deduplicated, and compressed single or multi-part archives with rollback capability. It supports archives as large as 1000 times available memory or up to 250 TB and 4 billion files, interoperable between Windows and Unix/Linux/OS X.

To install zpaq, run the following command from the command line or from PowerShell:

C:\> choco install zpaq

To upgrade zpaq, run the following command from the command line or from PowerShell:

C:\> choco upgrade zpaq

Files

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  • tools\LICENSE.txt Show
    From: https://github.com/zpaq/zpaq/blob/master/COPYING
    
    LICENSE
    
    The following applies to the files zpaq.cpp, libzpaq.h, libzpaq.cpp,
    zpaq.pod, Makefile, and readme, and any files derived thereof,
    except for the portion of libzpaq.cpp identified as divsufsort.c
    for libdivsufsort-lite.
    
    This is free and unencumbered software released into the public domain.
    
    Anyone is free to copy, modify, publish, use, compile, sell, or
    distribute this software, either in source code form or as a compiled
    binary, for any purpose, commercial or non-commercial, and by any
    means.
    
    In jurisdictions that recognize copyright laws, the author or authors
    of this software dedicate any and all copyright interest in the
    software to the public domain. We make this dedication for the benefit
    of the public at large and to the detriment of our heirs and
    successors. We intend this dedication to be an overt act of
    relinquishment in perpetuity of all present and future rights to this
    software under copyright law.
    
    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
    IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
    OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
    ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
    OTHER DEALINGS IN THE SOFTWARE.
    
    For more information, please refer to <http://unlicense.org>
    
    ---------------------------------------------------------------------
    
    The following applies to the section of libzpaq.cpp labeled
    as divsufsort.c for libdivsufsort-lite.
    
    Copyright (c) 2003-2008 Yuta Mori All Rights Reserved.
    
    Permission is hereby granted, free of charge, to any person
    obtaining a copy of this software and associated documentation
    files (the "Software"), to deal in the Software without
    restriction, including without limitation the rights to use,
    copy, modify, merge, publish, distribute, sublicense, and/or sell
    copies of the Software, and to permit persons to whom the
    Software is furnished to do so, subject to the following
    conditions:
    
    The above copyright notice and this permission notice shall be
    included in all copies or substantial portions of the Software.
    
    THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
    OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
    NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
    HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
    WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
    FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
    OTHER DEALINGS IN THE SOFTWARE.
    
  • tools\readme.txt Show
    zpaq715.zip, Aug. 17, 2016.
    
    zpaq is a journaling archiver optimized for user-level incremental
    backup of directory trees in Windows and *nix. It supports AES-256
    encryption, 5 multi-threaded compression levels, and content-aware
    file fragment level deduplication. For backups it adds only files
    whose date has changed, and keeps both old and new versions. You can roll
    back the archive date to restore from old versions of the archive.
    The default compression level is faster than zip usually with better
    compression. zpaq uses a self-describing compressed format to allow
    for future improvements without breaking compatibility with older
    versions of the program. Contents:
    
    File            Ver.   Description
    -----------     ----   -----------
    zpaq.exe        7.15   Archiver, 32 bit Windows XP or later.
    zpaq64.exe      7.15   Archiver, 64 bit Windows XP or later.
    zpaq.cpp        7.15   zpaq source code.
    zpaq.pod        7.12   zpaq man page in pod2man format.
    libzpaq.h       7.12   libzpaq API documentation and header.
    libzpaq.cpp     7.15   libzpaq API source code.
    Makefile               To compile in Linux: make {install|check|clean}
    COPYING                Unlicense.
    
    All versions of this software can be found at
    http://mattmahoney.net/dc/zpaq.html
    Please report bugs to Matt Mahoney at [email protected]
    
    Code from divsufsort.c is embedded in libzpaq.cpp.
    divsufsort.c is (C) 2003-2008 Yuta Mori, MIT license (see source code).
    It is also available from libdivsufsort-lite 2.0 from
    http://code.google.com/p/libdivsufsort/
    All remaining code is public domain. See COPYING.
    
    zpaq.exe can run under either 32 or 64 bit Windows XP or later
    (XP, Vista, 7, 8, 8.1, 10). zpaq64.exe runs only under 64 bit Windows.
    The 32 bit versions default to using at most 2 cores (you can select more)
    and can only use 2 GB memory.
    
    zpaq is a command line program. For a brief description of the commands,
    type "zpaq" with no arguments. See zpaq.pod for details.
    
    TO COMPILE
    
    Normally you can use "make" to compile for Unix, Linux, or Mac OS/X
    or compile like this:
    
      g++ -O3 -march=native -Dunix zpaq.cpp libzpaq.cpp -pthread -o zpaq
    
    To compile for non x86 or x86-64 hardware use option -DNOJIT
    Some compilers complain about "-march=native" option. If so, take it out.
    
    zpaq for Windows was compiled with g++ 6.1.0 from
    http://files.1f0.de/mingw/mingw-w64-gcc-6.1-stable-r20.7z as follows:
    
      86_64-w64-mingw32-g++ -O3 -s -m64 -msse2 -static zpaq.cpp libzpaq.cpp -o zpaq64
                        g++ -O3 -s -m32 -msse2 -static zpaq.cpp libzpaq.cpp -o zpaq
    
    To compile using Visual Studio:
    (tested with ver. 10.0 (2010), cl version 16.00.30319.01 for 80x86)
    
      cl /O2 /EHsc zpaq.cpp libzpaq.cpp advapi32.lib
    
    To generate a man page in Linux or Cygwin:
    
      pod2man zpaq.pod > zpaq.man
    
    Options have the following meanings:
    
    -Dunix   = select Unix or Linux target in zpaq and libzpaq. The default is
               Windows. Most Linux compilers automatically define unix.
    -DDEBUG  = turn on run time checks.
    -DNOJIT  = turn off run time optimization of ZPAQL to 32 or 64 bit x86
               in libzpaq. Use this for a non-x86 processor, or old
               processors not supporting SSE2 (mostly before 2001).
    -pthread = link to pthread library (required in unix/Linux).
    
    General options:
    
    -O3 or /O2   = optimize for speed.
    /EHsc        = enable C++ exception handling (VC++).
    -s           = strip debugging symbols. (Some compilers ignore this).
    -m32 or -m64 = select a 32 or 64 bit executable.
    -msse2       = assume x86 SSE2 support (minimum level without -DNOJIT).
    -static      = use this if you plan to run the program on a different
                   machine than you compiled it on. Makes the executable bigger.
    
  • tools\VERIFICATION.txt Show
    VERIFICATION
    Verification is intended to assist the Chocolatey moderators and community
    in verifying that this package's contents are trustworthy.
    
    zpaq.exe (v7.15)
    CRC32: 104F3CB5
    MD5: 09C448BE7E7D84E6E544CC03AFBB05D8
    SHA-1: DDC13E71A72BC49C60F89B98CBB79C2449CFA07E
    SHA-256: A0F127A70943B0262060498C1723C795A8E2980F1ACF0C42EE8C1DAE72AE54B5
    SHA-512: E5F7A988A999E7E34D0AA2D2A5B2FBB22689588D3DEF4BED4518CEED38710E3714C5614BAB192B0CE6BCAC5172A87EBF3B3B923E495EB7344C70BD11F4BF1C12
    Whirlpool: A93D56BB98F3D1DA12C13286BF2B7723278CE7C39E9EAC04A8F0C2D780EBD5E3287F72213B82C7122AABE5730E99319AE25450876CC119DCEC6F250C986206FA
    
    zpaq64.exe (v7.15)
    CRC32: F3FE4720
    MD5: F0955F0293BCF104CEDBD9BEF3B9BF06
    SHA-1: 9234781EC8FD66172AFA50FFA37A3D0F9C1D3037
    SHA-256: 7A94B4F1D6323A758C7B0B6344036F166BFF0FD44F1C3C86F05B3688023496CB
    SHA-512: A4D53801689BF4F362CA86142B9BB2C2165E4E2B61937A4352963A1A78D8C7357DA77EBE917C869CA8446E980FCDF0ABB968253E8CE9218550BA447AD3A1101D
    Whirlpool: B0FBC09460D37BCD073870F600449489A824F835DC71753AC69AFD8AFE606973BA6F7D3C580E31BC476FC5A257CB003F6374DDFB45CDFF0132195C50E7459256
    
    Both checksums are generated through the provided binary files from the original author of the software, found at the URL http://www.mattmahoney.net/dc/zpaq715.zip and the mirror https://github.com/zpaq/zpaq/releases/download/7.15/zpaq715.zip.
    
  • tools\zpaq.exe Show
    md5: 09C448BE7E7D84E6E544CC03AFBB05D8 | sha1: DDC13E71A72BC49C60F89B98CBB79C2449CFA07E | sha256: A0F127A70943B0262060498C1723C795A8E2980F1ACF0C42EE8C1DAE72AE54B5 | sha512: E5F7A988A999E7E34D0AA2D2A5B2FBB22689588D3DEF4BED4518CEED38710E3714C5614BAB192B0CE6BCAC5172A87EBF3B3B923E495EB7344C70BD11F4BF1C12
  • tools\zpaq64.exe Show
    md5: F0955F0293BCF104CEDBD9BEF3B9BF06 | sha1: 9234781EC8FD66172AFA50FFA37A3D0F9C1D3037 | sha256: 7A94B4F1D6323A758C7B0B6344036F166BFF0FD44F1C3C86F05B3688023496CB | sha512: A4D53801689BF4F362CA86142B9BB2C2165E4E2B61937A4352963A1A78D8C7357DA77EBE917C869CA8446E980FCDF0ABB968253E8CE9218550BA447AD3A1101D

Virus Scan Results

In cases where actual malware is found, the packages are subject to removal. Software sometimes has false positives. Moderators do not necessarily validate the safety of the underlying software, only that a package retrieves software from the official distribution point and/or validate embedded software against official distribution point (where distribution rights allow redistribution).

Chocolatey Pro provides runtime protection from possible malware.

Dependencies

This package has no dependencies.

Package Maintainer(s)

Software Author(s)

  • Matt Mahoney

Copyright

Copyright © 2016 Matt Mahoney

Tags

Version History

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Discussion for the zpaq Package

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