@ -219,7 +219,11 @@ class VcsRepository extends ArrayRepository implements ConfigurableRepositoryInt
// broken package, version doesn't match tag
if ($data['version_normalized'] !== $parsedTag) {
if ($isVeryVerbose) {
$this->io->writeError('<warning>Skipped tag '.$tag.', tag ('.$parsedTag.') does not match version ('.$data['version_normalized'].') in composer.json</warning>');
if (preg_match('{(^dev-|[.-]?dev$)}i', $parsedTag)) {
$this->io->writeError('<warning>Skipped tag '.$tag.', invalid tag name, tags can not use dev prefixes or suffixes</warning>');
} else {
$this->io->writeError('<warning>Skipped tag '.$tag.', tag ('.$parsedTag.') does not match version ('.$data['version_normalized'].') in composer.json</warning>');