Use wsgi.url_scheme instead of ad-hoc CGI checks. Instead of each place in hgweb_mod that needs to check for SSL or get the protocol scheme (http vs. https) doing it ad-hoc, make them just look at the wsgi.url_scheme which because of previous patches is now always set correctly.

*** failed to import extension badext: bit bucket overflow
extension 'hgext.gpg' overrides commands: sigs sigcheck sign
hg help [COMMAND]

show help for a command, extension, or list of commands