示例#1
0
func (f *fakeSnappyBackend) ForeignTask(kind string, status state.Status, ss *snapstate.SnapSetup) {
	f.ops = append(f.ops, fakeOp{
		op:    kind + ":" + status.String(),
		name:  ss.Name(),
		revno: ss.Revision(),
	})
}
示例#2
0
文件: patch2.go 项目: clobrano/snappy
// patch2:
// - migrates SnapSetup.Name to SnapSetup.SideInfo.RealName
// - backfills SnapState.{Sequence,Candidate}.RealName if its missing
func patch2(s *state.State) error {

	var stateMap map[string]*OldSnapState
	err := s.Get("snaps", &stateMap)
	if err == state.ErrNoState {
		return nil
	}
	if err != nil {
		return err
	}

	// migrate SnapSetup in all tasks:
	//  - the new SnapSetup uses SideInfo, backfil from Candidate
	//  - also move SnapSetup.{Name,Revision} into SnapSetup.SideInfo.{RealName,Revision}
	var oldSS OldSnapSetup
	var newSS snapstate.SnapSetup
	for _, t := range s.Tasks() {
		err := t.Get("snap-setup", &oldSS)
		if err == state.ErrNoState {
			continue
		}
		if err != nil && err != state.ErrNoState {
			return err
		}
		// some things stay the same
		newSS.Channel = oldSS.Channel
		newSS.Flags = oldSS.Flags
		newSS.SnapPath = oldSS.SnapPath
		newSS.DownloadInfo = oldSS.DownloadInfo
		newSS.SideInfo = oldSS.SideInfo
		// ... and some change
		if newSS.SideInfo == nil {
			newSS.SideInfo = &snap.SideInfo{}
			if snapst, ok := stateMap[oldSS.Name]; ok && snapst.Candidate != nil {
				newSS.SideInfo = snapst.Candidate
			}
		}
		if newSS.SideInfo.RealName == "" {
			newSS.SideInfo.RealName = oldSS.Name
		}
		if newSS.SideInfo.Revision.Unset() {
			newSS.SideInfo.Revision = oldSS.Revision
		}
		t.Set("snap-setup", &newSS)
	}

	// backfill snapstate.SnapState.{Sequence,Candidate} with RealName
	// (if that is missing, was missing for e.g. sideloaded snaps)
	for snapName, snapState := range stateMap {
		for _, si := range snapState.Sequence {
			setRealName(si, snapName)
		}
	}
	s.Set("snaps", stateMap)

	return nil
}