Exemplo n.º 1
0
Arquivo: dir.go Projeto: fawick/restic
func newDirFromSnapshot(repo *repository.Repository, snapshot SnapshotWithId, ownerIsRoot bool) (*dir, error) {
	tree, err := restic.LoadTree(repo, *snapshot.Tree)
	if err != nil {
		return nil, err
	}
	items := make(map[string]*restic.Node)
	for _, n := range tree.Nodes {
		nodes, err := replaceSpecialNodes(repo, n)
		if err != nil {
			return nil, err
		}

		for _, node := range nodes {
			items[node.Name] = node
		}
	}

	return &dir{
		repo: repo,
		node: &restic.Node{
			UID:        uint32(os.Getuid()),
			GID:        uint32(os.Getgid()),
			AccessTime: snapshot.Time,
			ModTime:    snapshot.Time,
			ChangeTime: snapshot.Time,
			Mode:       os.ModeDir | 0555,
		},
		items:       items,
		inode:       inodeFromBackendId(snapshot.ID),
		ownerIsRoot: ownerIsRoot,
	}, nil
}
Exemplo n.º 2
0
func printTrees(repo *repository.Repository, wr io.Writer) error {
	done := make(chan struct{})
	defer close(done)

	trees := []backend.ID{}

	for _, idx := range repo.Index().All() {
		for blob := range idx.Each(nil) {
			if blob.Type != pack.Tree {
				continue
			}

			trees = append(trees, blob.ID)
		}
	}

	for _, id := range trees {
		tree, err := restic.LoadTree(repo, id)
		if err != nil {
			fmt.Fprintf(os.Stderr, "LoadTree(%v): %v", id.Str(), err)
			continue
		}

		fmt.Fprintf(wr, "tree_id: %v\n", id)

		prettyPrintJSON(wr, tree)
	}

	return nil
}
Exemplo n.º 3
0
Arquivo: dir.go Projeto: fawick/restic
// replaceSpecialNodes replaces nodes with name "." and "/" by their contents.
// Otherwise, the node is returned.
func replaceSpecialNodes(repo *repository.Repository, node *restic.Node) ([]*restic.Node, error) {
	if node.Type != "dir" || node.Subtree == nil {
		return []*restic.Node{node}, nil
	}

	if node.Name != "." && node.Name != "/" {
		return []*restic.Node{node}, nil
	}

	tree, err := restic.LoadTree(repo, *node.Subtree)
	if err != nil {
		return nil, err
	}

	return tree.Nodes, nil
}
Exemplo n.º 4
0
func (c CmdFind) findInTree(repo *repository.Repository, id backend.ID, path string) ([]findResult, error) {
	debug.Log("restic.find", "checking tree %v\n", id)
	tree, err := restic.LoadTree(repo, id)
	if err != nil {
		return nil, err
	}

	results := []findResult{}
	for _, node := range tree.Nodes {
		debug.Log("restic.find", "  testing entry %q\n", node.Name)

		m, err := filepath.Match(c.pattern, node.Name)
		if err != nil {
			return nil, err
		}

		if m {
			debug.Log("restic.find", "    pattern matches\n")
			if !c.oldest.IsZero() && node.ModTime.Before(c.oldest) {
				debug.Log("restic.find", "    ModTime is older than %s\n", c.oldest)
				continue
			}

			if !c.newest.IsZero() && node.ModTime.After(c.newest) {
				debug.Log("restic.find", "    ModTime is newer than %s\n", c.newest)
				continue
			}

			results = append(results, findResult{node: node, path: path})
		} else {
			debug.Log("restic.find", "    pattern does not match\n")
		}

		if node.Type == "dir" {
			subdirResults, err := c.findInTree(repo, *node.Subtree, filepath.Join(path, node.Name))
			if err != nil {
				return nil, err
			}

			results = append(results, subdirResults...)
		}
	}

	return results, nil
}
Exemplo n.º 5
0
Arquivo: dir.go Projeto: fawick/restic
func newDir(repo *repository.Repository, node *restic.Node, ownerIsRoot bool) (*dir, error) {
	tree, err := restic.LoadTree(repo, *node.Subtree)
	if err != nil {
		return nil, err
	}
	items := make(map[string]*restic.Node)
	for _, node := range tree.Nodes {
		items[node.Name] = node
	}

	return &dir{
		repo:        repo,
		node:        node,
		items:       items,
		inode:       node.Inode,
		ownerIsRoot: ownerIsRoot,
	}, nil
}
Exemplo n.º 6
0
func (cmd CmdLs) printTree(prefix string, repo *repository.Repository, id backend.ID) error {
	tree, err := restic.LoadTree(repo, id)
	if err != nil {
		return err
	}

	for _, entry := range tree.Nodes {
		cmd.global.Printf(cmd.printNode(prefix, entry) + "\n")

		if entry.Type == "dir" && entry.Subtree != nil {
			err = cmd.printTree(filepath.Join(prefix, entry.Name), repo, *entry.Subtree)
			if err != nil {
				return err
			}
		}
	}

	return nil
}
Exemplo n.º 7
0
func TestLoadTree(t *testing.T) {
	repo := SetupRepo()
	defer TeardownRepo(repo)

	// save tree
	tree := restic.NewTree()
	id, err := repo.SaveJSON(pack.Tree, tree)
	OK(t, err)

	// save packs
	OK(t, repo.Flush())

	// load tree again
	tree2, err := restic.LoadTree(repo, id)
	OK(t, err)

	Assert(t, tree.Equals(tree2),
		"trees are not equal: want %v, got %v",
		tree, tree2)
}
Exemplo n.º 8
0
func newDir(repo *repository.Repository, node *restic.Node, ownerIsRoot bool) (*dir, error) {
	debug.Log("newDir", "new dir for %v (%v)", node.Name, node.Subtree.Str())
	tree, err := restic.LoadTree(repo, *node.Subtree)
	if err != nil {
		debug.Log("newDir", "  error loading tree %v: %v", node.Subtree.Str(), err)
		return nil, err
	}
	items := make(map[string]*restic.Node)
	for _, node := range tree.Nodes {
		items[node.Name] = node
	}

	return &dir{
		repo:        repo,
		node:        node,
		items:       items,
		inode:       node.Inode,
		ownerIsRoot: ownerIsRoot,
	}, nil
}
Exemplo n.º 9
0
func BenchmarkLoadTree(t *testing.B) {
	repo := SetupRepo()
	defer TeardownRepo(repo)

	if BenchArchiveDirectory == "" {
		t.Skip("benchdir not set, skipping TestArchiverDedup")
	}

	// archive a few files
	arch := restic.NewArchiver(repo)
	sn, _, err := arch.Snapshot(nil, []string{BenchArchiveDirectory}, nil)
	OK(t, err)
	t.Logf("archived snapshot %v", sn.ID())

	list := make([]backend.ID, 0, 10)
	done := make(chan struct{})

	for _, idx := range repo.Index().All() {
		for blob := range idx.Each(done) {
			if blob.Type != pack.Tree {
				continue
			}

			list = append(list, blob.ID)
			if len(list) == cap(list) {
				close(done)
				break
			}
		}
	}

	// start benchmark
	t.ResetTimer()

	for i := 0; i < t.N; i++ {
		for _, id := range list {
			_, err := restic.LoadTree(repo, id)
			OK(t, err)
		}
	}
}
Exemplo n.º 10
0
// loadTreeWorker loads trees from repo and sends them to out.
func loadTreeWorker(repo *repository.Repository,
	in <-chan backend.ID, out chan<- treeJob,
	done <-chan struct{}, wg *sync.WaitGroup) {

	defer func() {
		debug.Log("checker.loadTreeWorker", "exiting")
		wg.Done()
	}()

	var (
		inCh  = in
		outCh = out
		job   treeJob
	)

	outCh = nil
	for {
		select {
		case <-done:
			return

		case treeID, ok := <-inCh:
			if !ok {
				return
			}
			debug.Log("checker.loadTreeWorker", "load tree %v", treeID.Str())

			tree, err := restic.LoadTree(repo, treeID)
			debug.Log("checker.loadTreeWorker", "load tree %v (%v) returned err: %v", tree, treeID.Str(), err)
			job = treeJob{ID: treeID, error: err, Tree: tree}
			outCh = out
			inCh = nil

		case outCh <- job:
			debug.Log("checker.loadTreeWorker", "sent tree %v", job.ID.Str())
			outCh = nil
			inCh = in
		}
	}
}