Function addCriticalEnv

pty/start_windows.go:190–203

addCriticalEnv adds any critical environment variables that are required (or at least almost always required) on the operating system. Currently this is only used for Windows.

(env []string)

// (or at least almost always required) on the operating system.
// Currently this is only used for Windows.
func addCriticalEnv(env []string) []string {
	for _, kv := range env {
		eq := strings.Index(kv, "=")
		if eq < 0 {
			continue
		}
		k := kv[:eq]
		if strings.EqualFold(k, "SYSTEMROOT") {
			// We already have it.
			return env
		}
	}
	return append(env, "SYSTEMROOT="+os.Getenv("SYSTEMROOT"))
}