/**
* Verify git version
*
* Verify hat the version of the installed GIT binary is at least 1.6. Will
* throw an exception, if the binary is not available or too old.
*
* @return void
*/
protected static function checkVersion()
{
if (self::$checked === true) {
return true;
}
$process = new pbsSystemProcess('git');
$process->nonZeroExitCodeException = true;
$process->argument('--version')->execute();
if (!preg_match('(\\d+(?:\\.\\d+)+)', $process->stdoutOutput, $match)) {
throw new vcsRuntimeException('Could not determine GIT version.');
}
if (version_compare($match[0], '1.6', '>=')) {
return self::$checked = true;
}
throw new vcsRuntimeException('Git is required in a minimum version of 1.6.');
}
