/**
* Loads the svn-log-content via a system-call
* @param string $strSingleRevision use this param if you want so make sure a given id is included
* @return string
*/
private function loadLoghistoryViaSvn($strSingleRevision = false)
{
$strSvnLogLines = "";
$strErrors = "";
//build the command
$arrCommand = array();
$arrCommand[] = escapeshellcmd($this->objConfig->getStrSvnBinaryPath());
$arrCommand[] = "log -v --xml --no-auth-cache";
$arrCommand[] = escapeshellarg($this->objConfig->getStrSvnUrl());
if ($strSingleRevision !== false && $strSingleRevision != "") {
$arrCommand[] = " -r " . escapeshellarg(intval($strSingleRevision));
} else {
$arrCommand[] = " -l " . escapeshellarg($this->objConfig->getIntLogAmount());
}
if ($this->objConfig->getStrSvnUsername() != "") {
$arrCommand[] = "--username " . escapeshellarg($this->objConfig->getStrSvnUsername());
}
if ($this->objConfig->getStrSvnPassword() != "") {
$arrCommand[] = "--password " . escapeshellarg($this->objConfig->getStrSvnPassword());
}
//create a new process
$arrProcessDescSpec = array(0 => array("pipe", "r"), 1 => array("pipe", "w"), 2 => array("pipe", "w"));
$arrPipes = array();
$objProcess = proc_open(implode(" ", $arrCommand), $arrProcessDescSpec, $arrPipes);
if (is_resource($objProcess)) {
//accept certificate temporarily
fwrite($arrPipes[0], "t\r\n");
//read logfile
while (!feof($arrPipes[1])) {
$strSvnLogLines .= fread($arrPipes[1], 4096);
}
//read errors
while (!feof($arrPipes[2])) {
$strErrors .= fread($arrPipes[2], 4096);
}
fclose($arrPipes[0]);
fclose($arrPipes[1]);
fclose($arrPipes[2]);
proc_close($objProcess);
}
if ($strSvnLogLines == 0) {
return $strSvnLogLines;
}
throw new Svn2RssException("Error loading svn-log content, errors: " . $strErrors);
}
