/**
* Retrieve the latest tag from a branch.
*
* @param string $branch The branch name to retrieve the tag from.
*
* @return null|string Returns null when no tag has been found, the tag name otherwise.
*/
protected function getTagFromBranch($branch)
{
$git = new GitRepository($this->input->getArgument('git-dir'));
$tag = trim($git->describe()->tags()->always()->execute($branch));
$hash = trim($git->revParse()->short(false)->execute($branch));
return $hash !== $tag ? $tag : null;
}
/**
* @covers \ContaoCommunityAlliance\BuildSystem\Repository\GitRepository::describe
* @covers \ContaoCommunityAlliance\BuildSystem\Repository\Command\DescribeCommandBuilder::execute
*/
public function testDescribeOnUninitializedRepository()
{
$this->setExpectedException('ContaoCommunityAlliance\\BuildSystem\\Repository\\GitException');
$this->uninitializedGitRepository->describe()->execute();
}
