fbc323c3db
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@2556 212acab6-be3b-0410-9dea-997c60f758d6
189 lines
No EOL
5 KiB
HTML
189 lines
No EOL
5 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
|
|
<html>
|
|
<head>
|
|
|
|
<title>VPatch 2</title>
|
|
|
|
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" />
|
|
|
|
<style type="text/css">
|
|
|
|
body
|
|
{
|
|
padding: 10px;
|
|
background-color: #F0F0F0;
|
|
font-family: Verdana, Arial, Helvetica, sans-serif;
|
|
font-size: 10pt;
|
|
font-weight: normal;
|
|
}
|
|
|
|
center
|
|
{
|
|
text-align: center;
|
|
}
|
|
|
|
table
|
|
{
|
|
margin: auto;
|
|
text-align: left;
|
|
background-color: #FFFFFF;
|
|
}
|
|
|
|
.maintable
|
|
{
|
|
border: 2px solid #376EAB;
|
|
}
|
|
|
|
.margin
|
|
{
|
|
margin: 20px;
|
|
}
|
|
|
|
.text
|
|
{
|
|
margin: 20px;
|
|
}
|
|
|
|
.bold
|
|
{
|
|
font-weight: bold;
|
|
}
|
|
|
|
.italic
|
|
{
|
|
font-style: italic;
|
|
}
|
|
|
|
.bigheader
|
|
{
|
|
margin: 10px;
|
|
font-size: 24pt;
|
|
color: #333333;
|
|
text-align: center;
|
|
}
|
|
|
|
.header
|
|
{
|
|
font-size: 14pt;
|
|
color: #7A7272;
|
|
}
|
|
|
|
.subheader
|
|
{
|
|
margin: 20px;
|
|
font-size: 11pt;
|
|
font-weight: bold;
|
|
color: #303030;
|
|
}
|
|
|
|
.footer
|
|
{
|
|
margin: 5px 5px 5px 5px;
|
|
text-align: right;
|
|
font-size: 8pt;
|
|
color: #909090;
|
|
}
|
|
|
|
a:link, a:visited, a:active
|
|
{
|
|
color: #294F75;
|
|
text-decoration: none;
|
|
}
|
|
|
|
a:hover
|
|
{
|
|
color: #182634;
|
|
text-decoration: none;
|
|
}
|
|
|
|
</style>
|
|
|
|
</head>
|
|
|
|
<body>
|
|
|
|
<div class="center">
|
|
<table width="750" class="maintable" cellspacing="0" cellpadding="0">
|
|
<tr><td>
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tr>
|
|
<td><p class="bigheader">VPatch 2</p></td>
|
|
</tr>
|
|
|
|
<tr>
|
|
<td><div class="margin">
|
|
<p class="header">Introduction</p>
|
|
<p class="text">VPatch allows to create a patch file to update previous versions of
|
|
your software. The GenPat utitily generates the patch file. The plug-in can use the
|
|
patch to update a file. Using a patch, you can reduce the download size of your
|
|
updates, because only the differences between the files are included in the patch
|
|
file.</p>
|
|
<p class="header">How to use</p>
|
|
<p class="subheader">Generate the patch file</p>
|
|
<p class="text">Make sure you have the source file (original version) and the target file (version
|
|
to update to). For example, DATA.DTA (currently on user system) and DATA_20.DTA
|
|
(version 2.0 of this data file). Now call the command line tool GenPat.exe:</p>
|
|
<pre class="margin">GENPAT data.dta data_20.dta data.pat</pre>
|
|
<p class="text">Now, the patch will be generated, this will take some time.</p>
|
|
<p class="text">Using the /B=(BlockSize) parameter of the GenPat utility (put it after
|
|
the filenames), you can use a different block size. A smaller block size may result in
|
|
a smaller patch, but the generation will take more time (the default blocksize is 64).</p>
|
|
<p class="subheader">Update the file in your installer</p>
|
|
<p class="text">Use the VPatch plug-in to update a file using a patch file:</p>
|
|
<pre class="margin">vpatch::vpatchfile "pathfile.pat" "source.file" "new.file"</pre>
|
|
<p class="text">Check <a href="example.nsi">example.nsi</a> for an example.</p>
|
|
<p class="subheader">Multiple patches in one file</p>
|
|
<p class="text">GenPat appends a patch to the file you specified. If there is already a patch
|
|
for the same orginal file in the patch file, the patch will be replaced. For example, if you want
|
|
to be able to upgrade version 1 and 2 to version 3, you can put a 1 > 3 and 2 > 3 patch in one
|
|
file.</p>
|
|
<p class="text">You can also put patches for different files in one patch file, for example, a
|
|
patch from file A version 1 to file A version 2 and a patch from file B version 1 to
|
|
file B version 2. Just call the plug-in multiple times with the same patch file. It
|
|
will automatically select the right patch (based on the file CRC).</p>
|
|
<p class="header">Version history</p>
|
|
<ul>
|
|
<li>2.0 beta 2
|
|
<ul>
|
|
<li>All new algorithm used in the patch generator: much faster (up to
|
|
90%) while using smaller block sizes (higher compression)</li>
|
|
<li>Created a NSIS 2 plugin</li>
|
|
<li>Works with small files</li>
|
|
<li>Replaces existing patch in file if original file CRC is identical</li>
|
|
</ul></li>
|
|
</ul>
|
|
<p class="header">Credits</p>
|
|
<p class="text">Written by Koen van de Sande<br />
|
|
C plug-in by Edgewize<br />
|
|
New documentation and example by Joost Verburg</p>
|
|
<p class="header">License</p>
|
|
<pre class="margin">Copyright (C) 2001-2002 Koen van de Sande
|
|
|
|
This software is provided 'as-is', without any express or implied
|
|
warranty. In no event will the authors be held liable for any damages
|
|
arising from the use of this software.
|
|
|
|
Permission is granted to anyone to use this software for any purpose,
|
|
including commercial applications, and to alter it and redistribute
|
|
it freely, subject to the following restrictions:
|
|
|
|
1. The origin of this software must not be misrepresented;
|
|
you must not claim that you wrote the original software.
|
|
If you use this software in a product, an acknowledgment in the
|
|
product documentation would be appreciated but is not required.
|
|
2. Altered versions must be plainly marked as such,
|
|
and must not be misrepresented as being the original software.
|
|
3. This notice may not be removed or altered from any distribution.
|
|
|
|
Please note that this version contains the plug-in source only,
|
|
not the source of the patch generator.
|
|
</pre>
|
|
</div></td>
|
|
</tr>
|
|
</table>
|
|
</td></tr>
|
|
</table>
|
|
</div>
|
|
|
|
</body>
|
|
</html> |