From 6025a4a41c72c64db7d367b68dd2a8019bcddf97 Mon Sep 17 00:00:00 2001
From: Jerry Jacobs <jerry.jacobs@xor-gate.org>
Date: Sat, 7 Oct 2017 01:21:41 +0200
Subject: [PATCH] Allow overwrite of ContentType by caller of
 RequestCtx.ServeFile

---
 fs.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs.go b/fs.go
index ff4d5ac..7314062 100644
--- a/fs.go
+++ b/fs.go
@@ -823,7 +823,9 @@ func (h *fsHandler) handleRequest(ctx *RequestCtx) {
 			}
 		}
 	}
-	ctx.SetContentType(ff.contentType)
+	if len(ctx.Response.Header.ContentType()) == 0 {
+		ctx.SetContentType(ff.contentType)
+	}
 	ctx.SetStatusCode(statusCode)
 }