/**
* @param GitCommand $gitCommand
* @return string
*/
protected function run(GitCommand $gitCommand)
{
$gitProcess = new GitProcess($this, $gitCommand);
$gitProcess->run();
if (!empty($gitProcess->getExitCode())) {
throw new \RuntimeException('Git command "' . $gitCommand->getCommandLine() . '" in "' . $gitCommand->getDirectory() . '" failed with error "' . $gitProcess->getErrorOutput() . '"', 1456365593);
}
$output = $gitProcess->getOutput();
if (empty($output)) {
$output = $gitProcess->getErrorOutput();
}
return $output;
}
