I have
devise_for :user, path: 'v1/user', class_name: "V1::User",controllers: {sessions: 'v1/sessions'
I like to have it redirect all not just sessions including :omniauth_callbacks to v1/sessions
or something like this
devise_for :user, path: 'v1/user', class_name: "V1::User",controllers: {sessions: 'v1/sessions'}, controllers: {omniauth_callbacks: 'v1/sessions'}
it will errors
warning: key :controllers is duplicated and overwritten on line 16
As stated in my comment, you can just add another option to the controllers hash:
{ sessions: 'v1/sessions', omniauth_callbacks: 'v1/sessions' }