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ls: proper error handling for non-existent snapshot

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Use restic.FindFilteredSnapshot to resolve the snapshot ID. This ensures
consistent behavior for all commands using initSingleSnapshotFilterOptions.
This commit is contained in:
Michael Eischer 2022-10-03 13:05:36 +02:00
parent a81f0432e9
commit 0aa73bbd39
1 changed files with 42 additions and 35 deletions
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77
cmd/restic/cmd_ls.go
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@ -210,45 +210,52 @@ func runLs(ctx context.Context, opts LsOptions, gopts GlobalOptions, args []stri
}
}
for sn := range FindFilteredSnapshots(ctx, snapshotLister, repo, opts.Hosts, opts.Tags, opts.Paths, args[:1]) {
printSnapshot(sn)
id, err := restic.FindFilteredSnapshot(ctx, snapshotLister, repo, opts.Hosts, opts.Tags, opts.Paths, args[0])
if err != nil {
return err
}
sn, err := restic.LoadSnapshot(ctx, repo, id)
if err != nil {
return err
}
err := walker.Walk(ctx, repo, *sn.Tree, nil, func(_ restic.ID, nodepath string, node *restic.Node, err error) (bool, error) {
if err != nil {
return false, err
}
if node == nil {
return false, nil
}
if withinDir(nodepath) {
// if we're within a dir, print the node
printNode(nodepath, node)
// if recursive listing is requested, signal the walker that it
// should continue walking recursively
if opts.Recursive {
return false, nil
}
}
// if there's an upcoming match deeper in the tree (but we're not
// there yet), signal the walker to descend into any subdirs
if approachingMatchingTree(nodepath) {
return false, nil
}
// otherwise, signal the walker to not walk recursively into any
// subdirs
if node.Type == "dir" {
return false, walker.ErrSkipNode
}
return false, nil
})
printSnapshot(sn)
err = walker.Walk(ctx, repo, *sn.Tree, nil, func(_ restic.ID, nodepath string, node *restic.Node, err error) (bool, error) {
if err != nil {
return err
return false, err
}
if node == nil {
return false, nil
}
if withinDir(nodepath) {
// if we're within a dir, print the node
printNode(nodepath, node)
// if recursive listing is requested, signal the walker that it
// should continue walking recursively
if opts.Recursive {
return false, nil
}
}
// if there's an upcoming match deeper in the tree (but we're not
// there yet), signal the walker to descend into any subdirs
if approachingMatchingTree(nodepath) {
return false, nil
}
// otherwise, signal the walker to not walk recursively into any
// subdirs
if node.Type == "dir" {
return false, walker.ErrSkipNode
}
return false, nil
})
if err != nil {
return err
}
return nil