func (m *InterfaceManager) undoSetupProfiles(task *state.Task, tomb *tomb.Tomb) error { st := task.State() st.Lock() defer st.Unlock() ss, err := snapstate.TaskSnapSetup(task) if err != nil { return err } snapName := ss.Name() // Get the name from SnapSetup and use it to find the current SideInfo // about the snap, if there is one. var snapst snapstate.SnapState err = snapstate.Get(st, snapName, &snapst) if err != nil && err != state.ErrNoState { return err } sideInfo := snapst.CurrentSideInfo() if sideInfo == nil { // The snap was not installed before so undo should remove security profiles. return m.removeProfilesForSnap(task, tomb, snapName) } else { // The snap was installed before so undo should setup the old security profiles. snapInfo, err := snap.ReadInfo(snapName, sideInfo) if err != nil { return err } return m.setupProfilesForSnap(task, tomb, snapInfo, snapst.DevMode) } }