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<?php
/*
*
* 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/tasks/ext/ExtractBaseTask.php';
/**
* Extracts one or several tar archives using PEAR Archive_Tar
*
* @author Joakim Bodin <joakim.bodin+phing@gmail.com>
* @version $Id: a7c20154729a165ba27135dfc3db76a96a11908b $
* @package phing.tasks.ext
* @since 2.2.0
*/
class UntarTask extends ExtractBaseTask
{
/**
* @var bool
*/
private $preservePermissions = false;
/**
* @param bool $preservePermissions
*/
public function setPreservePermissions($preservePermissions)
{
$this->preservePermissions = $preservePermissions;
}
/**
* Ensures that PEAR lib exists.
*/
public function init()
{
include_once 'Archive/Tar.php';
if (!class_exists('Archive_Tar')) {
throw new BuildException("You must have installed the PEAR Archive_Tar class in order to use UntarTask.");
}
}
/**
* @param PhingFile $tarfile
* @return mixed|void
* @throws BuildException
*/
protected function extractArchive(PhingFile $tarfile)
{
$this->log(
"Extracting tar file: " . $tarfile->__toString() . ' to ' . $this->todir->__toString(),
Project::MSG_INFO
);
try {
$tar = $this->initTar($tarfile);
if (!$tar->extractModify($this->todir->getAbsolutePath(), $this->removepath, $this->preservePermissions)) {
throw new BuildException('Failed to extract tar file: ' . $tarfile->getAbsolutePath() . '. Error: ' . $tar->error_object->getMessage());
}
} catch (IOException $ioe) {
$msg = "Could not extract tar file: " . $ioe->getMessage();
throw new BuildException($msg, $ioe, $this->getLocation());
}
}
/**
* @param PhingFile $tarfile
* @return array|int
*/
protected function listArchiveContent(PhingFile $tarfile)
{
$tar = $this->initTar($tarfile);
return $tar->listContent();
}
/**
* Init a Archive_Tar class with correct compression for the given file.
*
* @param PhingFile $tarfile
* @return Archive_Tar the tar class instance
*/
private function initTar(PhingFile $tarfile)
{
$compression = null;
$tarfileName = $tarfile->getName();
$mode = strtolower(substr($tarfileName, strrpos($tarfileName, '.')));
$compressions = array(
'gz' => array('.gz', '.tgz',),
'bz2' => array('.bz2',),
);
foreach ($compressions as $algo => $ext) {
if (array_search($mode, $ext) !== false) {
$compression = $algo;
break;
}
}
return new Archive_Tar($tarfile->getAbsolutePath(), $compression);
}
}
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