Add a history view to the tags page. Next step will add the ability to revert back in time

data/model/legacy.py

@@ -1762,6 +1762,16 @@ def _tag_alive(query, now_ts=None):
                      (RepositoryTag.lifetime_end_ts > now_ts))
 
 
+def list_repository_tag_history(repository, limit=100):
+  query = (RepositoryTag
+           .select(RepositoryTag, Image)
+           .join(Image)
+           .where(RepositoryTag.repository == repository)
+           .order_by(RepositoryTag.lifetime_start_ts.desc())
+           .limit(limit))
+  return query
+
+
 def list_repository_tags(namespace_name, repository_name, include_hidden=False,
                          include_storage=False):