Issue 2867 - Introduce module hgweb and corresponding server role

modules/hgweb/files/hgweb.fcgi

 #!/usr/bin/env python
 #
 # An example CGI script to export multiple hgweb repos, edit as necessary
 
 import re
 
 # adjust python path if not a system-wide install:
 #import sys
 #sys.path.insert(0, "/path/to/python/lib")
 
@@ skipping 35 matching lines @@
 #
 # [paths]
 # virtual/path1 = /real/path1
 # virtual/path2 = /real/path2
 # virtual/root = /real/root/*
 # / = /real/root2/*
 #
 # [collections]
 # /prefix/to/strip/off = /root/of/tree/full/of/repos
 #
-# paths example: 
+# paths example:
 #
 # * First two lines mount one repository into one virtual path, like
 # '/real/path1' into 'virtual/path1'.
 #
 # * The third entry tells every mercurial repository found in
 # '/real/root', recursively, should be mounted in 'virtual/root'. This
 # format is preferred over the [collections] one, using absolute paths
 # as configuration keys is not supported on every platform (including
 # Windows).
 #
@@ skipping 19 matching lines @@
                 else:
                         return result
 
         def do_filter(self, iter, req):
                 for chunk in iter:
                         yield re.sub(r'\bemail=.*?([\r\n]|$)', r'email=xxxx\1', chunk)
                 if hasattr(iter, 'close'):
                         iter.close()
 
 WSGIServer(hgwebdir_with_filter('/etc/hgweb.ini'), debug=False).run()