/**
* Delete a tag by it's name or by passing a Tag object
* This function change the state of the repository on the filesystem
*
* @param string|Tag $tag The tag name or the Tag object
*
* @throws \RuntimeException
* @throws \Symfony\Component\Process\Exception\RuntimeException
* @return Repository
*/
public function deleteTag($tag)
{
if ($tag instanceof Tag) {
$tag->delete();
} else {
Tag::pick($this, $tag)->delete();
}
return $this;
}
