vcs: expose more information for http protocol. Increased capabilities with external hooks.

- fixes  #5574

rhodecode/lib/middleware/utils/scm_app_http.py

@@ -79,6 +79,7 b' class VcsHttpProxy(object):'
         self._repo_name = repo_name
         self._repo_path = repo_path
         self._config = config
+        self.rc_extras = {}
         log.debug(
             "Creating VcsHttpProxy for repo %s, url %s",
             repo_name, url)
@@ -87,14 +88,23 b' class VcsHttpProxy(object):'
         config = msgpack.packb(self._config)
         request = webob.request.Request(environ)
         request_headers = request.headers
+
         request_headers.update({
             # TODO: johbo: Remove this, rely on URL path only
             'X-RC-Repo-Name': self._repo_name,
             'X-RC-Repo-Path': self._repo_path,
             'X-RC-Path-Info': environ['PATH_INFO'],
+
+            'X-RC-Repo-Store': self.rc_extras.get('repo_store'),
+            'X-RC-Server-Config-File': self.rc_extras.get('config'),
+
+            'X-RC-Auth-User': self.rc_extras.get('username'),
+            'X-RC-Auth-User-Id': self.rc_extras.get('user_id'),
+            'X-RC-Auth-User-Ip': self.rc_extras.get('ip'),
+
             # TODO: johbo: Avoid encoding and put this into payload?
             'X-RC-Repo-Config': base64.b64encode(config),
-            'X-RC-Locked-Status-Code': rhodecode.CONFIG.get('lock_ret_code')
+            'X-RC-Locked-Status-Code': rhodecode.CONFIG.get('lock_ret_code'),
         })
 
         method = environ['REQUEST_METHOD']