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Merge pull request #1036 from restic/prune-remove-invalid-files
prune: Remove invalid files
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commit
c4592f577a
@ -40,6 +40,12 @@ Small changes
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https://github.com/restic/restic/issues/1023
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https://github.com/restic/restic/pull/1025
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* The `prune` command has been improved and will now remove invalid pack
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files, for example files that have not been uploaded completely because a
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backup was interrupted.
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https://github.com/restic/restic/issues/1029
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https://github.com/restic/restic/pull/1036
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Important Changes in 0.6.1
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==========================
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@ -106,11 +106,15 @@ func pruneRepository(gopts GlobalOptions, repo restic.Repository) error {
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Verbosef("building new index for repo\n")
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bar := newProgressMax(!gopts.Quiet, uint64(stats.packs), "packs")
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idx, err := index.New(ctx, repo, restic.NewIDSet(), bar)
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idx, invalidFiles, err := index.New(ctx, repo, restic.NewIDSet(), bar)
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if err != nil {
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return err
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}
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for _, id := range invalidFiles {
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Warnf("incomplete pack file (will be removed): %v\n", id)
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}
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blobs := 0
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for _, pack := range idx.Packs {
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stats.bytes += pack.Size
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@ -196,6 +200,12 @@ func pruneRepository(gopts GlobalOptions, repo restic.Repository) error {
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// find packs that are unneeded
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removePacks := restic.NewIDSet()
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Verbosef("will remove %d invalid files\n", len(invalidFiles))
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for _, id := range invalidFiles {
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removePacks.Insert(id)
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}
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for packID, p := range idx.Packs {
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hasActiveBlob := false
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@ -50,7 +50,7 @@ func rebuildIndex(ctx context.Context, repo restic.Repository, ignorePacks resti
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}
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bar := newProgressMax(!globalOptions.Quiet, packs-uint64(len(ignorePacks)), "packs")
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idx, err := index.New(ctx, repo, ignorePacks, bar)
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idx, _, err := index.New(ctx, repo, ignorePacks, bar)
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if err != nil {
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return err
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}
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@ -8,6 +8,7 @@ import (
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"restic"
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"restic/debug"
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"restic/list"
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"restic/pack"
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"restic/worker"
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"restic/errors"
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@ -33,22 +34,29 @@ func newIndex() *Index {
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}
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}
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// New creates a new index for repo from scratch.
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func New(ctx context.Context, repo restic.Repository, ignorePacks restic.IDSet, p *restic.Progress) (*Index, error) {
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// New creates a new index for repo from scratch. InvalidFiles contains all IDs
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// of files that cannot be listed successfully.
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func New(ctx context.Context, repo restic.Repository, ignorePacks restic.IDSet, p *restic.Progress) (idx *Index, invalidFiles restic.IDs, err error) {
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p.Start()
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defer p.Done()
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ch := make(chan worker.Job)
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go list.AllPacks(ctx, repo, ignorePacks, ch)
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idx := newIndex()
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idx = newIndex()
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for job := range ch {
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p.Report(restic.Stat{Blobs: 1})
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packID := job.Data.(restic.ID)
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if job.Error != nil {
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fmt.Fprintf(os.Stderr, "unable to list pack %v: %v\n", packID.Str(), job.Error)
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cause := errors.Cause(job.Error)
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if _, ok := cause.(pack.InvalidFileError); ok {
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invalidFiles = append(invalidFiles, packID)
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continue
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}
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fmt.Fprintf(os.Stderr, "pack file cannot be listed %v: %v\n", packID.Str(), job.Error)
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continue
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}
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@ -58,11 +66,11 @@ func New(ctx context.Context, repo restic.Repository, ignorePacks restic.IDSet,
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err := idx.AddPack(packID, j.Size(), j.Entries())
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if err != nil {
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return nil, err
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return nil, nil, err
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}
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}
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return idx, nil
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return idx, invalidFiles, nil
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}
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type packJSON struct {
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@ -43,7 +43,7 @@ func TestIndexNew(t *testing.T) {
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repo, cleanup := createFilledRepo(t, 3, 0)
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defer cleanup()
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idx, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
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idx, _, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
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if err != nil {
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t.Fatalf("New() returned error %v", err)
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}
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@ -70,7 +70,7 @@ func TestIndexLoad(t *testing.T) {
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validateIndex(t, repo, loadIdx)
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newIdx, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
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newIdx, _, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
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if err != nil {
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t.Fatalf("New() returned error %v", err)
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}
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@ -134,7 +134,7 @@ func BenchmarkIndexNew(b *testing.B) {
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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idx, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
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idx, _, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
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if err != nil {
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b.Fatalf("New() returned error %v", err)
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@ -151,7 +151,7 @@ func BenchmarkIndexSave(b *testing.B) {
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repo, cleanup := repository.TestRepository(b)
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defer cleanup()
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idx, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
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idx, _, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
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test.OK(b, err)
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for i := 0; i < 8000; i++ {
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@ -184,7 +184,7 @@ func TestIndexDuplicateBlobs(t *testing.T) {
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repo, cleanup := createFilledRepo(t, 3, 0.01)
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defer cleanup()
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idx, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
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idx, _, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
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if err != nil {
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t.Fatal(err)
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}
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@ -147,7 +147,7 @@ func saveIndex(t *testing.T, repo restic.Repository) {
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}
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func rebuildIndex(t *testing.T, repo restic.Repository) {
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idx, err := index.New(context.TODO(), repo, restic.NewIDSet(), nil)
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idx, _, err := index.New(context.TODO(), repo, restic.NewIDSet(), nil)
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if err != nil {
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t.Fatal(err)
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}
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