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)
}
}
