Show cache when requesting /_log?cache=true

go/fake-http/fake-http.go

@@ -87,8 +87,15 @@ func main() {
	})
	http.HandleFunc("/_log", func(w http.ResponseWriter, req *http.Request) {
		if strings.Contains(req.Header.Get("Accept"), "application/yaml") {
			err := renderYAML(w, requestLog.AsResponses())
		showCache := flags.cache && req.URL.Query().Get("cache") == "true"
		if showCache || strings.Contains(req.Header.Get("Accept"), "application/yaml") {
			var rs []Response
			if showCache {
				rs = responses.responses
			} else {
				rs = requestLog.AsResponses()
			}
			err := renderYAML(w, rs)
			if err != nil {
				log.Printf("Error: Render log: %s", err)
			}