VersionControl_SVN is a simple Object-Oriented interface for the svn command-line application that makes up the core of Subversion, a free/open-source version control system.
Subversion can be used to manage trees of source code, text files, image files -- just about any collection of files.
VersionControl_SVN's features include:
Full support of svn subcommands.
Flexible error reporting provided by PEAR_ErrorStack.
Multi-object factory design.
Fully documented source code
For example, what content management system (CMS) couldn't benefit from version control functionality? For many non-programmers, version control is a confusing subject to get a firm grasp on. With VersionControl_SVN, developers are now able to customize the interface to Subversion with the ease-of-use goals of their particular audience in mind. VersionControl_SVN lets you leverage the strengths of version control without burdening end-users with the learning curve of change control fundamentals.
So you've got Subversion repository set up somewhere, and you want to take a look at what's inside with a PHP script. With the VersionControl_SVN::VersionControl_SVN_List() command, you're just a few steps away.
Пример 60-1. Reading the content of a Subversion repository
If your example repository above happened to have the VersionControl_SVN source in it, your output would be something like this:
Array (  => Array ( [name] => docs [type] => D )  => Array ( [name] => package.xml [type] => F )  => Array ( [name] => SVN.php [type] => F )  => Array ( [name] => SVN [type] => D )  => Array ( [name] => tests [type] => D ) )
Note that in the above output, directories are flagged as type D, and files are flagged as type F.
Замечание: For additional information in the output, try setting verbose to TRUE in your $options array.
Have a script that needs to utilize several VersionControl_SVN subclasses? At the expense of a little overhead, you can be sure your $svn objects are fully-loaded by using the VersionControl_SVN::factory() command keyword __ALL__.
For example, in a basic script to get the list of current files in a repository, you just need the VersionControl_SVN::VersionControl_SVN_List() subclass.
Пример 60-2. Getting the list of current files in a repository
However, if you need to get a recursive list of files in a repository, look up the recent log activity for those files, and view the annotated source for those files, you've got two options.
Пример 60-3. Recursively getting the list of current files in a repository
If you are interested in learning more about Subversion, see the following:
Version Control with Subversion - The primary reference manual for all things related to Subversion, from general use to repository administration.
Subversion Website - The official Subversion website offers a FAQ, mailing list, and of course, the Subversion source code. Also included are links to GUI Subversion applications.
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