Function Stack

internal/devbox/envpath/stack.go:34–45

Stack initializes the path stack in the `env` environment. It relies on old state stored in the `originalEnv` environment.

(env, originalEnv map[string]string)

// Stack initializes the path stack in the `env` environment.
// It relies on old state stored in the `originalEnv` environment.
func Stack(env, originalEnv map[string]string) *stack {
	stackEnv, ok := originalEnv[PathStackEnv]
	if !ok || strings.TrimSpace(stackEnv) == "" {
		// if path stack is empty, then push the current PATH, which is the
		// external environment prior to any devbox-shellenv being applied to it.
		stackEnv = InitPathEnv
		env[InitPathEnv] = originalEnv["PATH"]
	}
	return &stack{
		keys: strings.Split(stackEnv, ":"),
	}
}

// String is the value of the stack stored in its env-var.
func (s *stack) String() string {