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walker: Simplify change detection in FilterTree

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Now the rewritten tree is always serialized which makes sure that we
don't accidentally miss any relevant changes.
This commit is contained in:
Michael Eischer 2022-12-28 10:38:40 +01:00
parent 8c4caf09a8
commit 1a9705fc95
1 changed files with 9 additions and 16 deletions
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11
internal/walker/rewriter.go
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@ -42,7 +42,6 @@ func FilterTree(ctx context.Context, repo BlobLoadSaver, nodepath string, nodeID
debug.Log("filterTree: %s, nodeId: %s\n", nodepath, nodeID.Str())
changed := false
tb := restic.NewTreeJSONBuilder()
for _, node := range curTree.Nodes {
path := path.Join(nodepath, node.Name)
@ -50,7 +49,6 @@ func FilterTree(ctx context.Context, repo BlobLoadSaver, nodepath string, nodeID
if visitor.PrintExclude != nil {
visitor.PrintExclude(path)
}
changed = true
continue
}
@ -65,9 +63,6 @@ func FilterTree(ctx context.Context, repo BlobLoadSaver, nodepath string, nodeID
if err != nil {
return restic.ID{}, err
}
if !node.Subtree.Equal(newID) {
changed = true
}
node.Subtree = &newID
err = tb.AddNode(node)
if err != nil {
@ -75,7 +70,6 @@ func FilterTree(ctx context.Context, repo BlobLoadSaver, nodepath string, nodeID
}
}
if changed {
tree, err := tb.Finalize()
if err != nil {
return restic.ID{}, err
@ -83,9 +77,8 @@ func FilterTree(ctx context.Context, repo BlobLoadSaver, nodepath string, nodeID
// Save new tree
newTreeID, _, _, err := repo.SaveBlob(ctx, restic.TreeBlob, tree, restic.ID{}, false)
if !newTreeID.Equal(nodeID) {
debug.Log("filterTree: save new tree for %s as %v\n", nodepath, newTreeID)
}
return newTreeID, err
}
return nodeID, nil
}