private function copyFile($sourcePath, $destPath, $flags = 0)
{
if (!file_exists($sourcePath)) {
// Abort! Abort!
throw new FSException("missing source file '{$sourcePath}'\n");
}
$transaction = new FSTransaction();
if ($flags & self::DELETE_ORIGINAL) {
$transaction->addCommit(FSTransaction::DELETE_FILE, $sourcePath);
}
if (file_exists($destPath)) {
// An identical file is already present; no need to copy.
} else {
if (!file_exists(dirname($destPath))) {
wfSuppressWarnings();
$ok = mkdir(dirname($destPath), 0777, true);
wfRestoreWarnings();
if (!$ok) {
throw new FSException("failed to create directory for '{$destPath}'\n");
}
}
wfSuppressWarnings();
$ok = copy($sourcePath, $destPath);
wfRestoreWarnings();
if ($ok) {
wfDebug(__METHOD__ . " copied '{$sourcePath}' to '{$destPath}'\n");
$transaction->addRollback(FSTransaction::DELETE_FILE, $destPath);
} else {
throw new FSException(__METHOD__ . " failed to copy '{$sourcePath}' to '{$destPath}'\n");
}
}
return $transaction;
}
