# HG changeset patch
# User Anton Shestakov <av6@dwimlabs.net>
# Date 1468072537 -28800
# Node ID 88a0a947e58c591ba2575f02e2eb4461cdf33fe9
# Parent  c415a3fd4485895551416f1069478004e6c3e86f
mod_http_files: send valid ETag header

RFC 2616 section 14 (header field definitions) shows that ETag header content
should be wrapped in double quotes.

diff -r c415a3fd4485 -r 88a0a947e58c plugins/mod_http_files.lua
--- a/plugins/mod_http_files.lua	Sat Jul 09 17:33:38 2016 +0800
+++ b/plugins/mod_http_files.lua	Sat Jul 09 21:55:37 2016 +0800
@@ -109,7 +109,7 @@
 		local last_modified = os_date('!%a, %d %b %Y %H:%M:%S GMT', attr.modification);
 		response_headers.last_modified = last_modified;
 
-		local etag = ("%02x-%x-%x-%x"):format(attr.dev or 0, attr.ino or 0, attr.size or 0, attr.modification or 0);
+		local etag = ('"%02x-%x-%x-%x"'):format(attr.dev or 0, attr.ino or 0, attr.size or 0, attr.modification or 0);
 		response_headers.etag = etag;
 
 		local if_none_match = request_headers.if_none_match