| protected whichPatchCmd ( ) : string | ||
| return | string | |
protected function whichPatchCmd()
{
static $patchCommand = null;
if (!$patchCommand) {
$exitCode = $output = null;
$patchCommand = exec('which patch', $output, $exitCode);
if (0 !== $exitCode || !is_executable($patchCommand)) {
throw new Exception("Cannot find the 'patch' executable command - use your o/s package manager like 'sudo yum install patch'");
}
}
return $patchCommand;
}