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Diffstat (limited to 'src/pkg/net/http/transport.go')
-rw-r--r--src/pkg/net/http/transport.go7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/pkg/net/http/transport.go b/src/pkg/net/http/transport.go
index 4cd0533ff..41ac7dea1 100644
--- a/src/pkg/net/http/transport.go
+++ b/src/pkg/net/http/transport.go
@@ -831,10 +831,15 @@ func (pc *persistConn) roundTrip(req *transportRequest) (resp *Response, err err
// uncompress the gzip stream if we were the layer that
// requested it.
requestedGzip := false
- if !pc.t.DisableCompression && req.Header.Get("Accept-Encoding") == "" {
+ if !pc.t.DisableCompression && req.Header.Get("Accept-Encoding") == "" && req.Method != "HEAD" {
// Request gzip only, not deflate. Deflate is ambiguous and
// not as universally supported anyway.
// See: http://www.gzip.org/zlib/zlib_faq.html#faq38
+ //
+ // Note that we don't request this for HEAD requests,
+ // due to a bug in nginx:
+ // http://trac.nginx.org/nginx/ticket/358
+ // http://golang.org/issue/5522
requestedGzip = true
req.extraHeaders().Set("Accept-Encoding", "gzip")
}