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fsck: Check minimal set of blobs

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This commit is contained in:
Alexander Neumann 2015-02-04 22:20:56 +01:00
parent d44eb9d794
commit 316e761f27
1 changed files with 19 additions and 2 deletions
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21
cmd/restic/cmd_fsck.go
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@ -88,6 +88,8 @@ func fsckTree(opts CmdFsck, s restic.Server, blob restic.Blob) error {
var firstErr error
seenIDs := backend.NewIDSet()
for i, node := range tree.Nodes {
if node.Name == "" {
return fmt.Errorf("node %v of tree %v has no name", i, blob.ID)
@ -107,6 +109,11 @@ func fsckTree(opts CmdFsck, s restic.Server, blob restic.Blob) error {
return fmt.Errorf("file node %q of tree %v has no content", node.Name, blob.ID)
}
// record ids
for _, id := range node.Content {
seenIDs.Insert(id)
}
bytes, err := fsckFile(opts, s, tree.Map, node.Content)
if err != nil {
return err
@ -117,7 +124,7 @@ func fsckTree(opts CmdFsck, s restic.Server, blob restic.Blob) error {
}
case "dir":
if node.Subtree == nil {
return fmt.Errorf("dir node %q of tree %v has no subtree", node.Name, blob.ID)
return fmt.Errorf("dir node %q of tree %v (storage id %v) has no subtree", node.Name, blob.ID, blob.Storage)
}
// lookup blob
@ -127,6 +134,9 @@ func fsckTree(opts CmdFsck, s restic.Server, blob restic.Blob) error {
fmt.Fprintf(os.Stderr, "%v\n", err)
}
// record id
seenIDs.Insert(node.Subtree)
err = fsckTree(opts, s, subtreeBlob)
if err != nil {
firstErr = err
@ -135,6 +145,13 @@ func fsckTree(opts CmdFsck, s restic.Server, blob restic.Blob) error {
}
}
// check map for unused ids
for _, id := range tree.Map.IDs() {
if seenIDs.Find(id) != nil {
return fmt.Errorf("tree %v: map contains unused ID %v", blob.ID, id)
}
}
return firstErr
}
@ -147,7 +164,7 @@ func fsck_snapshot(opts CmdFsck, s restic.Server, id backend.ID) error {
}
if !sn.Tree.Valid() {
return fmt.Errorf("snapshot %v has invalid tree %v", sn.ID, sn.Tree)
return fmt.Errorf("snapshot %s has invalid tree %v", sn.ID(), sn.Tree)
}
err = fsckTree(opts, s, sn.Tree)