package main import ( "fmt" "os" "os/exec" "time" ) func buildV2Ray(targetFile string, version string, goOS GoOS, goArch GoArch) error { ldFlags := "-s" if version != "custom" { year, month, day := time.Now().UTC().Date() today := fmt.Sprintf("%04d%02d%02d", year, int(month), day) ldFlags = ldFlags + " -X v2ray.com/core.version=" + version + " -X v2ray.com/core.build=" + today } cmd := exec.Command("go", "build", "-tags", "json", "-o", targetFile, "-compiler", "gc", "-ldflags", ldFlags, "v2ray.com/core/main") cmd.Env = append(cmd.Env, "GOOS="+string(goOS), "GOARCH="+string(goArch)) cmd.Env = append(cmd.Env, os.Environ()...) output, err := cmd.CombinedOutput() if len(output) > 0 { fmt.Println(string(output)) } return err }