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check: Suggest usage of restic repair packs for corrupted blobs

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For now, the guide is only shown if the blob content does not match its
hash. The main intended usage is to handle data corruption errors when
using maximum compression in restic 0.16.0
This commit is contained in:
Michael Eischer
2023-10-22 16:28:48 +02:00
parent db26dc75e1
commit a28940ea29
2 changed files with 28 additions and 1 deletions
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12
internal/checker/checker.go
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@@ -90,6 +90,16 @@ func (err *ErrOldIndexFormat) Error() string {
return fmt.Sprintf("index %v has old format", err.ID)
}
// ErrPackData is returned if errors are discovered while verifying a packfile
type ErrPackData struct {
PackID restic.ID
errs []error
}
func (e *ErrPackData) Error() string {
return fmt.Sprintf("pack %v contains %v errors: %v", e.PackID, len(e.errs), e.errs)
}
func (c *Checker) LoadSnapshots(ctx context.Context) error {
var err error
c.snapshots, err = backend.MemorizeList(ctx, c.repo.Backend(), restic.SnapshotFile)
@@ -635,7 +645,7 @@ func checkPack(ctx context.Context, r restic.Repository, id restic.ID, blobs []r
}
if len(errs) > 0 {
return errors.Errorf("pack %v contains %v errors: %v", id, len(errs), errs)
return &ErrPackData{PackID: id, errs: errs}
}
return nil