# HG changeset patch
# User Mads Kiilerich <mads@kiilerich.com>
# Date 2013-01-15 00:05:12
# Node ID c007e5c54b161b763563958ddb94bff8f6fe927e
# Parent  764a758780b66dcff7986de1b4dd6e241b969076

serve: send response headers even if response has no body

The headers would usually be sent anyway because the app did a number of writes
of empty strings.

diff --git a/mercurial/hgweb/server.py b/mercurial/hgweb/server.py
--- a/mercurial/hgweb/server.py
+++ b/mercurial/hgweb/server.py
@@ -136,6 +136,8 @@ class _httprequesthandler(BaseHTTPServer
         self.length = None
         for chunk in self.server.application(env, self._start_response):
             self._write(chunk)
+        if not self.sent_headers:
+            self.send_headers()
 
     def send_headers(self):
         if not self.saved_status: