X Content-Type is detected automatically

blob.go

@@ -294,12 +294,12 @@ func emitBlob(w http.ResponseWriter, repopath string, refpath string) {
 	w.Header().Set("Content-Transfer-Encoding", "binary")
 	w.Header().Set("Content-Length", fmt.Sprintf("%d", size))
 	w.Header().Set("X-Content-Type-Options", "nosniff")
-	//w.Header().Set("Content-Type", "...")	TODO image/jpeg...
+	// net/http sniffs stream and and automatically detects and sets
+	// Content-Type header. We do not have to do it ourselves
 
 	w.Header().Set("Cache-Control", "private") // Rails sets this for IE compatibility
 	w.Header().Set("ETag", fmt.Sprintf(`"%s"`, sha1))
 
-	//setRawHeaders(...)	// TODO
 	w.WriteHeader(200) // Don't bother with HTTP 500 from this point on, just return
 	// XXX better use queryStdout instead of queryReader, but we could be
 	// holding some tail bytes in queryReader after chat phase