private function removeExisting(Adapter $adapter, $tag)
{
$releases = $adapter->getReleases();
$id = null;
foreach ($releases as $release) {
if ($tag == $release['tag_name']) {
$id = $release['id'];
}
}
if ($id) {
$adapter->removeRelease($id);
$this->getHelper('gush_style')->note(sprintf('Existing release with tag %s (id: %s) was removed.', $tag, $id));
}
}