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<h1>WebSVN Installation Guide</h1>

<div class="misc">
<h2><a name="content"></a>Content</h2>
<ul>
        <li><a href="#why">Why WebSVN?</a></li>
        <li><a href="#installation">Installation</a></li>
        <li><a href="#accentedchars">Accented characters</a></li>
        <li><a href="#colourisation">Colourisation</a></li>
        <li><a href="#multiviews">Mulitviews</a></li>
        <li><a href="#multiviewsexample">Mulitviews example</a></li>
        <li><a href="#authentication">Access rights and authentication</a></li>
        <li><a href="#problems">Common problems</a></li>
        <li><a href="#license">License</a></li>
</ul>
</div>

<div class="content">
<h2><a name="why"></a>Why WebSVN?</h2>

<p>WebSVN offers a view onto your subversion repositories that's been designed
to reflect the Subversion methodology. You can view the log of any file or
directory and see a list of all the files changed, added or deleted in any
given revision. You can also view the differences between 2 versions of a
file so as to see exactly what was changed in a particular revision.</p>

<p>WebSVN offers the following features:</p>

<ul>
        <li>Easy to use interface</li>
        <li>Highly customisable templating system</li>
        <li>Colourisation of file listings</li>
        <li>Blame view</li>
        <li>Log message searching</li>
        <li>Apache MultiViews support</li>
        <li>RSS feed support</li>
        <li>Support for bugtraq: properties</li>
</ul>

<p>Since it's written using PHP, WebSVN is also very portable and easy to install.</p>

<h2><a name="installation"></a>Installation</h2>

<p>Grab the source and stick it somewhere that your server can get to.
You need to have <strong>PHP 4.3.0</strong> or greater installed and working.
Additionally you need <strong>SVN 1.2.0</strong> or greater.
Also note that WebSVN won't currently work in safe mode, due to the need to call svn/svnlook.</p>

<p>If it isn't already, make sure to chmod the cache directory to at least 0700,
and is owned by the process your webserver is running under.  This is used to
cache RSS files.  It is not recommended to set the directory to full write,
0777.</p>

<p>Rename distconfig.php as config.php (found in the includes directory) and then
edit it as directed in the file itself.</p>

<p>If everything has gone well, you should be able to view your projects by
pointing your browser at the index.php file.</p>

<p>For those of you wishing to customise the look and feel a little, you should
read templates.txt, which explains the highly configurable template system.</p>

<p>No other external program are required.</p>

<!--
<p>You'll also need diff (preferably the GNU version; for Windows users I'd
recommend the Cygwin version) and svnlook available.</p>

<p><b>Windows users:</b> Note that some of the features offered by WebSVN, when
enabled, require the use of various external programs. They can be downloaded
from these locations:</p>

<p>Diff/Sed/Gzip/Tar: <a href="http://www.cygwin.com/">http://www.cygwin.com/</a></p>
-->

<h2><a name="accentedchars"></a>Accented characters</h2>

<p>WebSVN is designed to worked with accented characters.  To do this, it uses
the iconv function.  This may not be installed on your system.  If you aren't
getting the characters that you expect, make sure that the iconv module is
being loaded in php.ini.  Windows users will need to copy the appropriate
DLLs to the system directory (from the PHP installation directory).</p>

<h2><a name="colourisation"></a>Colourisation</h2>

<p>Per default WebSVN uses the Generic Syntax Highlighter GeSHi which is bundle with WebSVN.</p>

<p>Alternatively, if you have Enscript 1.6 or higher installed on your system,
you can use that to view files with syntax colouring. You'll also need Sed.<br />
It can be found at <a href="http://people.ssh.com/mtr/genscript/">http://people.ssh.com/mtr/genscript/</a></p>


<p>Simply set the paths in the config file and then uncomment the line:</p>

<pre class="code">
$config->useEnscript();
</pre>

<p>and comment the line:</p>

<p>Alternatively you can use GeSHi which is bundle with WebSVN.</p>

<p>Simply uncomment the line:</p>

<pre class="code">
$config->useGeshi();
</pre>


<h2><a name="multiviews"></a>Multiviews</h2>

<p>You may choose to configure access to your repository via Apache's MultiView
system. This will enable you to access a respositoy using a url such as:</p>

<p>http://servername/wsvn/repname/path/in/repository</p>

<p>To do this you must:</p>

<ul>
        <li>Place wsvn.php where you want to.  Normally you place it such that it's accessible straight after the servername, as shown above.</li>
        <li>Configure the parent directory of wsvn.php to use MultiViews (see Apache docs).</li>
        <li>Change config.php to include the line $config->useMultiViews();</li>
        <li>Change the path configured at the beginning of the wsvn.php script.</li>
</ul>

<p>Now go to http://servername/wsvn/ and make sure that you get the index page.</p>

<p>The repname part of the URL is the name given to it in the config.php file.
For this reason you may wish to avoid putting spaces in the name.</p>


<h2><a name="multiviewsexample"></a>Multiviews example</h2>

<p>First, you must get the Multiviews option working.  In my set up, my Apache
directory root is set to a location on my harddrive:</p>

<pre class="code">
DocumentRoot "D:/svnpage"
</pre>

<p>In that directory, I have WebSVN installed in a directory called websvn.
Normally WebSVN would be accessed by http://servername/websvn</p>

<p>wsvn.php is then copied from the WebSVN installation to the document root
directory and the variable at the beginning of the script configured as
follows (based on your own directory location, obviously):</p>

<pre class="code">
// Location of websvn directory via HTTP
//
// e.g.  For http://servername/websvn use /websvn
//
// Note that wsvn.php need not be in the /websvn directory (and normally isn't).
$locwebsvnhttp = "/websvn";  
</pre>

<p>Next, turn on Multiviews in the WebSVN config.php file:</p>

<pre class="code">
$config->useMultiViews();
</pre>

<p>Finally, Apache needs to know that you want to enable MultiViews for the root
directory.  This can be done by including this line in the directory's
.htaccess file (assuming that the appropriate AllowOverrides directive is set
up):</p>

<pre class="code">
Options MultiViews
</pre>

<p>If all has gone well, repositories should now by accessible by
<code>http://servername/wsvn/repname</code></p>

<p>Note the index page can be accessed through http://servername/wsvn
If you want to view the index page by <code>http://servername/</code> you need to
add another directive to the .htaccess file:</p>

<pre class="code">
DirectoryIndex wsvn.php
</pre>


<h2><a name="authentication"></a>Access rights and authentication</h2>

<p>You may wish to provide an authentication mechanism for WebSVN.  One obvious
solution is to protect the entire WebSVN directory with some form of Apache
authentication mechanism, but that doesn't allow for per repository
authentication.</p>

<p>WebSVN provides and access rights mechanism that uses your SVN access file to
control read access to the repository.  This means that you only have to 
maintain one file to define both Subversion and WebSVN access rights.</p>

<p>For this to work, you need to configure your authentication method to the /WebSVN/
(or /wsvn/) directory.  This should be the same authentication as you use for 
the svn repositories themselves.  Here's an example using SSPI:</p>

<pre class="code">
&lt;Location /WebSVN/>
  AuthType SSPI
  SSPIAuth On
  SSPIAuthoritative On
  SSPIDomain IMAJEMAIL
  SSPIOfferBasic On
  Require valid-user
&lt;/Location>
</pre>

<p>Note the use of the / after <code>/WebSVN/</code> in the location directive.  If you use
&lt;Location /WebSVN> then you won't be able to access the index.</p>

<p>You should change <code>/WebSVN/</code> to <code>/wsvn/</code> if you're using multiviews.</p>

<p>Also note that you shouldn't use the AuthzSVNAccessFile command to define the
access file.</p>

<p>Now that you've defined your authentication, you'll be asked for your user name
and password in order to access the WebSVN directory.  All that's left is to
configure WebSVN to use your Subversion access file to control access.  Add this
line to your config.php file:</p>

<pre class="code">
$config->useAuthenticationFile("/path/to/accessfile");
</pre>

<p>Note that if your access file gives read access to, for example, path <code>/a/b/c/</code> but
not to <code>/a/b/</code>, then the user will be given restricted access to <code>/a/b/</code> in order to 
reach <code>/a/b/c/</code>.  The user will not be able to see any other files or directories in
<code>/a</code> or <code>/a/b/</code>.</p>

<p>You should read the <a href="http://svnbook.red-bean.com/">Subversion book</a> for information on the access file format.</p>


<h2><a name="problems"></a>Common problems</h2>

<ol>
        <li>
                On a Windows machine, this error is reported:<br />
                Warning: shell_exec(): Unable to execute<br />
                If you experience this problem, you need to give IUSR_&lt;machinename> execute
                permissions on %systemroot%\system32\cmd.exe. Under most systems, the file will
                be C:\WINDOWS\system32\cmd.exe.<br />

                Right-click on the file, choose properties, and on the security tab click
                the "Add" button. Add the IUSR_&lt;machinename> user, and then select the
                "read" and "read &amp; execute" boxes.
        </li>
</ol>


<h2><a name="license"></a>License</h2>

<p><a href="http://www.fsf.org/licensing/licenses/gpl.html">GNU Public licence</a>.</p>

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