Function fetchEnvironmentInternal

subprocess/subprocess.go:212–227

fetchEnvironmentInternal should only be called from fetchEnvironment or ResetEnvironment, who will hold the required lock.

()

// fetchEnvironmentInternal should only be called from fetchEnvironment or
// ResetEnvironment, who will hold the required lock.
func fetchEnvironmentInternal() []string {
	if env != nil {
		return env
	}

	realEnv := os.Environ()
	env = make([]string, 0, len(realEnv))

	for _, kv := range realEnv {
		if strings.HasPrefix(kv, traceEnv) || strings.HasPrefix(kv, superPrefixEnv) {
			continue
		}
		env = append(env, kv)
	}
	return env
}

// ResetEnvironment resets the cached environment that's used in subprocess
// calls.