chore: initial commit (extracted from Launchers monorepo)
Plugin: ns7zip v2.0.0 Architectures: x86-ansi, x86-unicode, amd64-unicode License: LGPL-2.1-or-later
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Simone
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NSIS 7z Extract Plugin.
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(c) brainsucker (Nik Medved), 2009.
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Updated by Marek Mizanin, 2011.
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Updated by Stuart Welch 2015-2016.
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Updated by Marek Mizanin, 2019.
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Uses 7-Zip source code, (C) 1999-2015 Igor Pavlov.
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Abstract.
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---------
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Nowadays NSIS has very good compression algorithms (including superb
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lzma-solid), but neverless, dedicated archivers provide slightly better
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ratios. Moreover, if you have "pack of files" which is never changed itself,
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but used in several different or frequent releases, it will be handy to pack
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it once with 7z, and then use like "merge-module", to save several bytes
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and setup compilation time together (the last is most important, we get up to
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10x compilation time reduction for some of our setups using 60mb 7z-packed (240
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original) merge modules).
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History.
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--------
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Actually we are using this plugin as binary for around 4 years (it was first
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compiled with something like 7z 4.05), but around 7z releases 4.30 it lost
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compatibility with the newer archives (so we kept in secret place special
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"old" 7z version to pack our merge-modules ;). And strangely, in several
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weeks after initial compilation I've lost my hard-drive, so we got only
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this single "nsis7z.dll" file kept in our CVS for years. But due to 7z license
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that wasn't completely legal, and also some other people were asking me for
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license details (to use this plugin in their products setups).
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Yesterday I've got some spare time, and decided to recreate original plugin,
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saving compatibility with old one, but adding some minor features, and
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trying to preserve source-code compatibility with future 7z-releases (as much
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as I can).
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[Marek Mizanin] Because I need Unicode version of this plug-in I took the last
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7z sources - 7z921.tar.bz2 and make following changes so I was able to build it:
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- char replaced with TCHAR
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- added g_pluginExtra = extra; into funcname(HWND hwndParent, int string_size, \
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- added _T before "strings"
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- updated Nsis7z.vcproj, changed default to Unicode
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- files in NsisPluginSample changed to 2.46 Unicode NSIS
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- added modified WorkDir.cpp from 7z sources
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- comment out //#include "../../Compress/LZMA_Alone/LzmaBenchCon.h"
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- fixed void DoInitialize()
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- updated int DoExtract(LPTSTR archive, LPTSTR dir, bool overwrite, bool expath, ExtractProgressHandler epc)
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- updated License.txt from 7z921.tar.bz2
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- added _release_ANSI and _release_unicode directory with builded nsis7z.dll
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[Stuart Welch]
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15th July 2015
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* Updated to LZMA SDK 15.07 beta
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* Updated License.txt
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[Stuart Welch]
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11th March 2016
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* Updated to LZMA SDK 15.14
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[Marek Mizanin]
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23th March 2019
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* Updated to LZMA SDK 19.00
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- updated project file to VS 2017
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- added new files from SDK to project (Lzma2DecMt, MtDec, XzDecoder, XzEncoder
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- renamed UserInputsUtils.cpp to UserInputsUtils2.cpp because conflict (could somebody check if it is ok?)
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- renamed StdAfx.cpp to StdAfx2.cpp because conflict
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- added #include "../../../Common/Common.h" to solve build error
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- added #pragma warning(disable : 4996) to solve build error with 'GetVersionExW': was declared deprecated
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- changed version to 19.00
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Usage.
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------
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Simple. Look at example1.nsi.
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Details? Unpack you merge module as 7z archive to somewere on users harddrive,
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set target dir for archive contents with SetOutPath, and call plugin. Example:
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File "ArchiveName.7z"
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Nsis7z::Extract "ArchiveName.7z"
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Delete "$OUTDIR/ArchiveName.7z"
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Usually I'm showing something like "Installing package..." with DetailsPrint
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before this, and plugin will move progress bar during unpack operation, to keep
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user notified on setup progress.
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Plugin now has two additional commands:
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Nsis7z::ExtractWithDetails "Test.7z" "Installing package %s..."
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Unpacks archive in details mode, with promt generated from second param, use
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%s to insert unpack details like "10% (5 / 10 MB)"
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GetFunctionAddress $R9 CallbackTest
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Nsis7z::ExtractWithCallback "Test.7z" $R9
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Unpacks archive in callback mode - plugin will animate progress bar, you can do
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anything (like setting user prompt) in callback function.
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License.
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--------
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I know very little about open source world and associated laws, but AFAIK ;) I
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can compile, distribute and use this plugin under LGPL license (7z uses one)
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as soon as source code for it is readily available. No problems here, all
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regards and fame goes to Igor Pavlov, 7-zip author.
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You can download source code for this plugin at http://nsis.sf.net or
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http://brains.by or ask me at any time to send it to you, if you got
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distribution package without sources (brainsucker.na@gmail.com).
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Compiling.
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----------
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Sorry, but I have no time to recreate make files by hand, so only VS2008
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solution/project are included. To build plugin you need to unpack 7z464.tar.bz2
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(or later, hopefully; you can retreive one from www.7-zip.org) somewhere, and
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then unpack plugin source distribution to the same folder. Solution for plugin
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can be found at CPP\7zip\Bundles\Nsis7z subfolder (Nsis7z.sln). You should
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compile it as ANSI version (NOT unicode, Release or Debug).
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I've tried to strip plugin as much as possible (still very big, 170 kb too much
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comparing to 30 kb ansi-C 7z unpacker provided by Igor Pavlov), so it should
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support only 7Z unpacking, with LZMA, Deflate, BCJ2, etc. methods. Also it will
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only work at NT systems (95/98/ME - bad luck, sorry ;), according to source code
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and statements at comments.
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[Marek Mizanin]
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9.21
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First extract 7z921.tar.bz2 and then nsis7z_921 because WorkDir.cpp is modified.
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For ANSI version you should replace NsisPluginSample with files from
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c:\Program Files\NSIS\Examples\Plugin\nsis
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19.00
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Extract nsis7z_19.00.7z, then extract C and CPP folders from lzma1900.7z to Contrib\nsis7z.
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Build Nsis7z.sln in VS 2017.
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[Marek Mizanin end]
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