[wsgi] the spec says wsgi.url_scheme *must* be provided
No need to be defensive, anything else is a bug in the gateway.
#! /bin/sh -e#if [ "$1" = configure ]; then if which install-docs >/dev/null 2>&1; then install-docs -i /usr/share/doc-base/cubicweb-doc fifi#DEBHELPER#exit 0