Do not install entry points if there's any missing extra

src/zc/buildout/easy_install.py

@@ -1273,10 +1273,12 @@ def scripts(reqs, working_set, executable, dest=None,
     for req in reqs:
         if isinstance(req, str):
             req = pkg_resources.Requirement.parse(req)
+            has_extras = set(req.extras).issuperset
             dist = working_set.find(req)
             # regular console_scripts entry points
             for name in pkg_resources.get_entry_map(dist, 'console_scripts'):
                 entry_point = dist.get_entry_info('console_scripts', name)
+                if has_extras(entry_point.extras):
                     entry_points.append(
                         (name, entry_point.module_name,
                          '.'.join(entry_point.attrs))