Octal numbers?

cmd/compile_assets/main.go

@@ -39,7 +39,7 @@ func main() {
 		str += fmt.Sprintf("\t\"%s\": \"%s\",\n", f, b64)
 	}
 	str += "}\n"
-	err := ioutil.WriteFile(*outputFile, []byte(str), 644)
+	err := ioutil.WriteFile(*outputFile, []byte(str), 0644)
 	if err != nil {
 		panic(err)
 	}

common/assets/process.go

@@ -71,7 +71,7 @@ func extractPrefixTo(pathName string, destination string) {
 
 		dest := path.Join(destination, filepath.Base(f))
 		logrus.Infof("Writing %s to %s", f, dest)
-		err = ioutil.WriteFile(dest, b, 644)
+		err = ioutil.WriteFile(dest, b, 0644)
 		if err != nil {
 			panic(err)
 		}