You can clone with
HTTPS or Subversion.
Noted in the tag "pl/pgsql". Note how it has been saved as pl/pgsql.json. This is just wrong. So either disallow slashes or encode them on the file system. May or may not also need to be dealt with by the API and site.
Distribution and extension names, as well as tags, can no longer contain slashes, backslashes, or control characters. Deployed last night.