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<?php
/**
 * $Id: SvnLastRevisionTask.php 37 2006-03-09 14:04:22Z mrook $
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information please see
 * <http://phing.info>.
 */

require_once 'phing/Task.php';
require_once 'phing/tasks/ext/svn/SvnBaseTask.php';

/**
 * Stores the number of the last revision of a workingcopy in a property
 *
 * @author Michiel Rook <michiel@trendserver.nl>
 * @version $Id: SvnLastRevisionTask.php 37 2006-03-09 14:04:22Z mrook $
 * @package phing.tasks.ext.svn
 * @see VersionControl_SVN
 * @since 2.1.0
 */
class SvnLastRevisionTask extends SvnBaseTask
{
	private $propertyName = "svn.lastrevision";

	/**
	 * Sets the name of the property to use
	 */
	function setPropertyName($propertyName)
	{
		$this->propertyName = $propertyName;
	}

	/**
	 * Returns the name of the property to use
	 */
	function getPropertyName()
	{
		return $this->propertyName;
	}

	/**
	 * The main entry point
	 *
	 * @throws BuildException
	 */
	function main()
	{
		$this->setup('info');
		
		$output = $this->run();
		
		if (preg_match('/Rev:[\s]+([\d]+)/', $output, $matches))
		{
			$this->project->setProperty($this->getPropertyName(), $matches[1]);
		}
		else
		{
			throw new BuildException("Failed to parse the output of 'svn info'.");
		}
	}
}
?>