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repository: try to recover from invalid blob while repacking

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If a blob that should be kept is invalid, Repack will now try to request
the blob using LoadBlob. Only return an error if that fails.
This commit is contained in:
Michael Eischer 2022-07-17 12:11:54 +02:00
parent d0590b7841
commit 623770eebb
1 changed files with 7 additions and 1 deletions
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8
internal/repository/repack.go
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@ -73,7 +73,13 @@ func repack(ctx context.Context, repo restic.Repository, dstRepo restic.Reposito
for t := range downloadQueue {
err := StreamPack(wgCtx, repo.Backend().Load, repo.Key(), t.PackID, t.Blobs, func(blob restic.BlobHandle, buf []byte, err error) error {
if err != nil {
return err
var ierr error
// check whether we can get a valid copy somewhere else
buf, ierr = repo.LoadBlob(wgCtx, blob.Type, blob.ID, nil)
if ierr != nil {
// no luck, return the original error
return err
}
}
keepMutex.Lock()