[GitHub] [apisix] spacewander commented on a change in pull request #2271: bugfix: avoid overwriting Vary header in cors plugin

[GitBox <gi...@apache.org>]

spacewander commented on a change in pull request #2271:
URL: https://github.com/apache/apisix/pull/2271#discussion_r495523183



##########
File path: apisix/core/response.lua
##########
@@ -97,19 +103,43 @@ function _M.set_header(...)
             error("should be a table if only one argument", 2)
         end
 
-        for k, v in pairs(headers) do
-            ngx_header[k] = v
+        if append then
+            for k, v in pairs(headers) do
+                ngx_add_header(k, v)
+            end
+
+        else
+            for k, v in pairs(headers) do
+                ngx_header[k] = v
+            end

Review comment:
       @ShiningRush 
   Updated in the new commit.




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