chore: refactor, better goctl message (#1228)

rest/internal/cors/handlers.go

@@ -79,14 +79,15 @@ func isOriginAllowed(allows []string, origin string) bool {
 }
 
 func setHeader(w http.ResponseWriter, origin string) {
-	w.Header().Set(allowOrigin, origin)
-	w.Header().Set(allowMethods, methods)
-	w.Header().Set(allowHeaders, allowHeadersVal)
-	w.Header().Set(exposeHeaders, exposeHeadersVal)
+	header := w.Header()
+	header.Set(allowOrigin, origin)
+	header.Set(allowMethods, methods)
+	header.Set(allowHeaders, allowHeadersVal)
+	header.Set(exposeHeaders, exposeHeadersVal)
 	if origin != allOrigins {
-		w.Header().Set(allowCredentials, allowTrue)
+		header.Set(allowCredentials, allowTrue)
 	}
-	w.Header().Set(maxAgeHeader, maxAgeHeaderVal)
+	header.Set(maxAgeHeader, maxAgeHeaderVal)
 }
 
 func setVaryHeaders(w http.ResponseWriter, r *http.Request) {

tools/goctl/docker/docker.go

@@ -77,7 +77,7 @@ func DockerCommand(c *cli.Context) (err error) {
 
 	projDir, ok := util.FindProjectPath(goFile)
 	if ok {
-		fmt.Printf("Hint: run \"docker build ...\" command in dir %q\n", projDir)
+		fmt.Printf("Hint: run \"docker build ...\" command in dir:\n    %s\n", projDir)
 	}
 
 	return nil