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
}
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
}
// 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
}
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
}
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
}
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
}
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)
}
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
}
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)
}
}
}
// 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
}
}
}