Example #1
0
func (cmd CmdOptimize) Execute(args []string) error {
	if len(args) != 0 {
		return errors.New("optimize has no arguments")
	}

	repo, err := cmd.global.OpenRepository()
	if err != nil {
		return err
	}

	cmd.global.Verbosef("Create exclusive lock for repository\n")
	lock, err := lockRepoExclusive(repo)
	defer unlockRepo(lock)
	if err != nil {
		return err
	}

	chkr := checker.New(repo)

	cmd.global.Verbosef("Load indexes\n")
	_, errs := chkr.LoadIndex()

	if len(errs) > 0 {
		for _, err := range errs {
			cmd.global.Warnf("error: %v\n", err)
		}
		return fmt.Errorf("LoadIndex returned errors")
	}

	done := make(chan struct{})
	errChan := make(chan error)
	go chkr.Structure(errChan, done)

	for err := range errChan {
		if e, ok := err.(checker.TreeError); ok {
			cmd.global.Warnf("error for tree %v:\n", e.ID.Str())
			for _, treeErr := range e.Errors {
				cmd.global.Warnf("  %v\n", treeErr)
			}
		} else {
			cmd.global.Warnf("error: %v\n", err)
		}
	}

	unusedBlobs := backend.NewIDSet(chkr.UnusedBlobs()...)
	cmd.global.Verbosef("%d unused blobs found, repacking...\n", len(unusedBlobs))

	repacker := checker.NewRepacker(repo, unusedBlobs)
	err = repacker.Repack()
	if err != nil {
		return err
	}

	cmd.global.Verbosef("repacking done\n")
	return nil
}
Example #2
0
func TestRepacker(t *testing.T) {
	WithTestEnvironment(t, checkerTestData, func(repodir string) {
		repo := OpenLocalRepo(t, repodir)
		OK(t, repo.LoadIndex())

		repo.Backend().Remove(backend.Snapshot, "c2b53c5e6a16db92fbb9aa08bd2794c58b379d8724d661ee30d20898bdfdff22")

		unusedBlobs := backend.IDSet{
			ParseID("5714f7274a8aa69b1692916739dc3835d09aac5395946b8ec4f58e563947199a"): struct{}{},
			ParseID("08d0444e9987fa6e35ce4232b2b71473e1a8f66b2f9664cc44dc57aad3c5a63a"): struct{}{},
			ParseID("356493f0b00a614d36c698591bbb2b1d801932d85328c1f508019550034549fc"): struct{}{},
			ParseID("b8a6bcdddef5c0f542b4648b2ef79bc0ed4377d4109755d2fb78aff11e042663"): struct{}{},
		}

		chkr := checker.New(repo)
		_, errs := chkr.LoadIndex()
		OKs(t, errs)

		errs = checkStruct(chkr)
		OKs(t, errs)

		list := backend.NewIDSet(chkr.UnusedBlobs()...)
		if !unusedBlobs.Equals(list) {
			t.Fatalf("expected unused blobs:\n  %v\ngot:\n  %v", unusedBlobs, list)
		}

		repacker := checker.NewRepacker(repo, unusedBlobs)
		OK(t, repacker.Repack())

		chkr = checker.New(repo)
		_, errs = chkr.LoadIndex()
		OKs(t, errs)
		OKs(t, checkPacks(chkr))
		OKs(t, checkStruct(chkr))

		blobs := chkr.UnusedBlobs()
		Assert(t, len(blobs) == 0,
			"expected zero unused blobs, got %v", blobs)
	})
}