module Rails::Command::Helpers::Editor

def ensure_editor_available(command:)
  if ENV["EDITOR"].to_s.empty?
    say "No $EDITOR to open file in. Assign one like this:"
    say ""
    say %(EDITOR="mate --wait" #{command})
    say ""
    say "For editors that fork and exit immediately, it's important to pass a wait flag,"
    say "otherwise the credentials will be saved immediately with no chance to edit."
    false
  else
    true
  end
end