/**
* GetDiff
*
* Gets the diff output
*
* @access public
* @param string $file override the filename on the diff
* @return string diff output
*/
public function GetDiff($file = '', $readFileData = true, $explode = false)
{
if ($this->diffDataRead && $file == $this->diffDataName) {
if ($explode) {
return explode("\n", $this->diffData);
} else {
return $this->diffData;
}
}
if (!$this->diffInfoRead && $readFileData) {
$this->ReadDiffInfo();
}
$this->diffDataName = $file;
$this->diffDataRead = true;
if (!empty($this->status) && $this->status != 'A' && $this->status != 'D' && $this->status != 'M') {
$this->diffData = '';
return;
}
if (function_exists('xdiff_string_diff')) {
$this->diffData = $this->GetXDiff(3, true, $file);
} else {
$tmpdir = GitPHP_TmpDir::GetInstance();
$pid = 0;
if (function_exists('posix_getpid')) {
$pid = posix_getpid();
} else {
$pid = rand();
}
$fromTmpFile = null;
$toTmpFile = null;
$fromName = null;
$toName = null;
if (empty($this->status) || $this->status == 'D' || $this->status == 'M') {
$fromBlob = $this->GetFromBlob();
$fromTmpFile = 'gitphp_' . $pid . '_from';
$tmpdir->AddFile($fromTmpFile, $fromBlob->GetData());
$fromName = 'a/';
if (!empty($file)) {
$fromName .= $file;
} else {
if (!empty($this->fromFile)) {
$fromName .= $this->fromFile;
} else {
$fromName .= $this->fromHash;
}
}
}
if (empty($this->status) || $this->status == 'A' || $this->status == 'M') {
$toBlob = $this->GetToBlob();
$toTmpFile = 'gitphp_' . $pid . '_to';
$tmpdir->AddFile($toTmpFile, $toBlob->GetData());
$toName = 'b/';
if (!empty($file)) {
$toName .= $file;
} else {
if (!empty($this->toFile)) {
$toName .= $this->toFile;
} else {
$toName .= $this->toHash;
}
}
}
$this->diffData = GitPHP_DiffExe::Diff(empty($fromTmpFile) ? null : escapeshellarg($tmpdir->GetDir() . $fromTmpFile), $fromName, empty($toTmpFile) ? null : escapeshellarg($tmpdir->GetDir() . $toTmpFile), $toName);
if (!empty($fromTmpFile)) {
$tmpdir->RemoveFile($fromTmpFile);
}
if (!empty($toTmpFile)) {
$tmpdir->RemoveFile($toTmpFile);
}
}
if ($explode) {
return explode("\n", $this->diffData);
} else {
return $this->diffData;
}
}
/**
* __construct
*
* Constructor
*
* @access public
*/
public function __construct()
{
$this->dir = GitPHP_Util::AddSlash(GitPHP_Config::GetInstance()->GetValue('gittmp'));
if (empty($this->dir)) {
$this->dir = GitPHP_TmpDir::SystemTmpDir();
}
if (empty($this->dir)) {
throw new Exception(__('No tmpdir defined'));
}
if (file_exists($this->dir)) {
if (is_dir($this->dir)) {
if (!is_writeable($this->dir)) {
throw new Exception(sprintf(__('Specified tmpdir %1$s is not writable'), $this->dir));
}
} else {
throw new Exception(sprintf(__('Specified tmpdir %1$s is not a directory'), $this->dir));
}
} else {
if (!mkdir($this->dir, 0700)) {
throw new Exception(sprintf(__('Could not create tmpdir %1$s'), $this->dir));
}
}
}