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mirror of https://github.com/octoleo/restic.git synced 2024-11-10 23:31:09 +00:00

Merge pull request #1035 from restic/fix-1032

prune: Remove files as the last step
This commit is contained in:
Alexander Neumann 2017-06-15 20:22:42 +02:00
commit 91a24e8229
13 changed files with 130 additions and 60 deletions

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@ -106,7 +106,7 @@ func pruneRepository(gopts GlobalOptions, repo restic.Repository) error {
Verbosef("building new index for repo\n") Verbosef("building new index for repo\n")
bar := newProgressMax(!gopts.Quiet, uint64(stats.packs), "packs") bar := newProgressMax(!gopts.Quiet, uint64(stats.packs), "packs")
idx, err := index.New(ctx, repo, bar) idx, err := index.New(ctx, repo, restic.NewIDSet(), bar)
if err != nil { if err != nil {
return err return err
} }
@ -161,6 +161,10 @@ func pruneRepository(gopts GlobalOptions, repo restic.Repository) error {
err = restic.FindUsedBlobs(ctx, repo, *sn.Tree, usedBlobs, seenBlobs) err = restic.FindUsedBlobs(ctx, repo, *sn.Tree, usedBlobs, seenBlobs)
if err != nil { if err != nil {
if repo.Backend().IsNotExist(err) {
return errors.Fatal("unable to load a tree from the repo: " + err.Error())
}
return err return err
} }
@ -221,16 +225,22 @@ func pruneRepository(gopts GlobalOptions, repo restic.Repository) error {
Verbosef("will delete %d packs and rewrite %d packs, this frees %s\n", Verbosef("will delete %d packs and rewrite %d packs, this frees %s\n",
len(removePacks), len(rewritePacks), formatBytes(uint64(removeBytes))) len(removePacks), len(rewritePacks), formatBytes(uint64(removeBytes)))
var repackedBlobs restic.IDSet
if len(rewritePacks) != 0 { if len(rewritePacks) != 0 {
bar = newProgressMax(!gopts.Quiet, uint64(len(rewritePacks)), "packs rewritten") bar = newProgressMax(!gopts.Quiet, uint64(len(rewritePacks)), "packs rewritten")
bar.Start() bar.Start()
err = repository.Repack(ctx, repo, rewritePacks, usedBlobs, bar) repackedBlobs, err = repository.Repack(ctx, repo, rewritePacks, usedBlobs, bar)
if err != nil { if err != nil {
return err return err
} }
bar.Done() bar.Done()
} }
if err = rebuildIndex(ctx, repo, removePacks); err != nil {
return err
}
removePacks.Merge(repackedBlobs)
if len(removePacks) != 0 { if len(removePacks) != 0 {
bar = newProgressMax(!gopts.Quiet, uint64(len(removePacks)), "packs deleted") bar = newProgressMax(!gopts.Quiet, uint64(len(removePacks)), "packs deleted")
bar.Start() bar.Start()
@ -245,10 +255,6 @@ func pruneRepository(gopts GlobalOptions, repo restic.Repository) error {
bar.Done() bar.Done()
} }
if err = rebuildIndex(ctx, repo); err != nil {
return err
}
Verbosef("done\n") Verbosef("done\n")
return nil return nil
} }

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@ -38,10 +38,10 @@ func runRebuildIndex(gopts GlobalOptions) error {
ctx, cancel := context.WithCancel(gopts.ctx) ctx, cancel := context.WithCancel(gopts.ctx)
defer cancel() defer cancel()
return rebuildIndex(ctx, repo) return rebuildIndex(ctx, repo, restic.NewIDSet())
} }
func rebuildIndex(ctx context.Context, repo restic.Repository) error { func rebuildIndex(ctx context.Context, repo restic.Repository, ignorePacks restic.IDSet) error {
Verbosef("counting files in repo\n") Verbosef("counting files in repo\n")
var packs uint64 var packs uint64
@ -50,7 +50,7 @@ func rebuildIndex(ctx context.Context, repo restic.Repository) error {
} }
bar := newProgressMax(!globalOptions.Quiet, packs, "packs") bar := newProgressMax(!globalOptions.Quiet, packs, "packs")
idx, err := index.New(ctx, repo, bar) idx, err := index.New(ctx, repo, ignorePacks, bar)
if err != nil { if err != nil {
return err return err
} }

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@ -36,6 +36,10 @@ type Backend interface {
// arbitrary order. A goroutine is started for this, which is stopped when // arbitrary order. A goroutine is started for this, which is stopped when
// ctx is cancelled. // ctx is cancelled.
List(ctx context.Context, t FileType) <-chan string List(ctx context.Context, t FileType) <-chan string
// IsNotExist returns true if the error was caused by a non-existing file
// in the backend.
IsNotExist(err error) bool
} }
// FileInfo is returned by Stat() and contains information about a file in the // FileInfo is returned by Stat() and contains information about a file in the

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@ -151,6 +151,11 @@ func (wr *wrapReader) Close() error {
return err return err
} }
// IsNotExist returns true if the error is caused by a non-existing file.
func (be *b2Backend) IsNotExist(err error) bool {
return b2.IsNotExist(errors.Cause(err))
}
// Load returns the data stored in the backend for h at the given offset // Load returns the data stored in the backend for h at the given offset
// and saves it in p. Load has the same semantics as io.ReaderAt. // and saves it in p. Load has the same semantics as io.ReaderAt.
func (be *b2Backend) Load(ctx context.Context, h restic.Handle, length int, offset int64) (io.ReadCloser, error) { func (be *b2Backend) Load(ctx context.Context, h restic.Handle, length int, offset int64) (io.ReadCloser, error) {

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@ -75,6 +75,11 @@ func (b *Local) Location() string {
return b.Path return b.Path
} }
// IsNotExist returns true if the error is caused by a non existing file.
func (b *Local) IsNotExist(err error) bool {
return os.IsNotExist(errors.Cause(err))
}
// Save stores data in the backend at the handle. // Save stores data in the backend at the handle.
func (b *Local) Save(ctx context.Context, h restic.Handle, rd io.Reader) (err error) { func (b *Local) Save(ctx context.Context, h restic.Handle, rd io.Reader) (err error) {
debug.Log("Save %v", h) debug.Log("Save %v", h)

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@ -19,6 +19,8 @@ type memMap map[restic.Handle][]byte
// make sure that MemoryBackend implements backend.Backend // make sure that MemoryBackend implements backend.Backend
var _ restic.Backend = &MemoryBackend{} var _ restic.Backend = &MemoryBackend{}
var errNotFound = errors.New("not found")
// MemoryBackend is a mock backend that uses a map for storing all data in // MemoryBackend is a mock backend that uses a map for storing all data in
// memory. This should only be used for tests. // memory. This should only be used for tests.
type MemoryBackend struct { type MemoryBackend struct {
@ -51,6 +53,11 @@ func (be *MemoryBackend) Test(ctx context.Context, h restic.Handle) (bool, error
return false, nil return false, nil
} }
// IsNotExist returns true if the file does not exist.
func (be *MemoryBackend) IsNotExist(err error) bool {
return errors.Cause(err) == errNotFound
}
// Save adds new Data to the backend. // Save adds new Data to the backend.
func (be *MemoryBackend) Save(ctx context.Context, h restic.Handle, rd io.Reader) error { func (be *MemoryBackend) Save(ctx context.Context, h restic.Handle, rd io.Reader) error {
if err := h.Valid(); err != nil { if err := h.Valid(); err != nil {
@ -101,7 +108,7 @@ func (be *MemoryBackend) Load(ctx context.Context, h restic.Handle, length int,
} }
if _, ok := be.data[h]; !ok { if _, ok := be.data[h]; !ok {
return nil, errors.New("no such data") return nil, errNotFound
} }
buf := be.data[h] buf := be.data[h]
@ -134,7 +141,7 @@ func (be *MemoryBackend) Stat(ctx context.Context, h restic.Handle) (restic.File
e, ok := be.data[h] e, ok := be.data[h]
if !ok { if !ok {
return restic.FileInfo{}, errors.New("no such data") return restic.FileInfo{}, errNotFound
} }
return restic.FileInfo{Size: int64(len(e))}, nil return restic.FileInfo{Size: int64(len(e))}, nil
@ -148,7 +155,7 @@ func (be *MemoryBackend) Remove(ctx context.Context, h restic.Handle) error {
debug.Log("Remove %v", h) debug.Log("Remove %v", h)
if _, ok := be.data[h]; !ok { if _, ok := be.data[h]; !ok {
return errors.New("no such data") return errNotFound
} }
delete(be.data, h) delete(be.data, h)

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@ -138,6 +138,23 @@ func (b *restBackend) Save(ctx context.Context, h restic.Handle, rd io.Reader) (
return nil return nil
} }
// ErrIsNotExist is returned whenever the requested file does not exist on the
// server.
type ErrIsNotExist struct {
restic.Handle
}
func (e ErrIsNotExist) Error() string {
return fmt.Sprintf("%v does not exist", e.Handle)
}
// IsNotExist returns true if the error was caused by a non-existing file.
func (b *restBackend) IsNotExist(err error) bool {
err = errors.Cause(err)
_, ok := err.(ErrIsNotExist)
return ok
}
// Load returns a reader that yields the contents of the file at h at the // Load returns a reader that yields the contents of the file at h at the
// given offset. If length is nonzero, only a portion of the file is // given offset. If length is nonzero, only a portion of the file is
// returned. rd must be closed after use. // returned. rd must be closed after use.
@ -179,6 +196,11 @@ func (b *restBackend) Load(ctx context.Context, h restic.Handle, length int, off
return nil, errors.Wrap(err, "client.Do") return nil, errors.Wrap(err, "client.Do")
} }
if resp.StatusCode == http.StatusNotFound {
_ = resp.Body.Close()
return nil, ErrIsNotExist{h}
}
if resp.StatusCode != 200 && resp.StatusCode != 206 { if resp.StatusCode != 200 && resp.StatusCode != 206 {
_ = resp.Body.Close() _ = resp.Body.Close()
return nil, errors.Errorf("unexpected HTTP response (%v): %v", resp.StatusCode, resp.Status) return nil, errors.Errorf("unexpected HTTP response (%v): %v", resp.StatusCode, resp.Status)
@ -205,6 +227,11 @@ func (b *restBackend) Stat(ctx context.Context, h restic.Handle) (restic.FileInf
return restic.FileInfo{}, errors.Wrap(err, "Close") return restic.FileInfo{}, errors.Wrap(err, "Close")
} }
if resp.StatusCode == http.StatusNotFound {
_ = resp.Body.Close()
return restic.FileInfo{}, ErrIsNotExist{h}
}
if resp.StatusCode != 200 { if resp.StatusCode != 200 {
return restic.FileInfo{}, errors.Errorf("unexpected HTTP response (%v): %v", resp.StatusCode, resp.Status) return restic.FileInfo{}, errors.Errorf("unexpected HTTP response (%v): %v", resp.StatusCode, resp.Status)
} }
@ -248,6 +275,11 @@ func (b *restBackend) Remove(ctx context.Context, h restic.Handle) error {
return errors.Wrap(err, "client.Do") return errors.Wrap(err, "client.Do")
} }
if resp.StatusCode == http.StatusNotFound {
_ = resp.Body.Close()
return ErrIsNotExist{h}
}
if resp.StatusCode != 200 { if resp.StatusCode != 200 {
return errors.Errorf("blob not removed, server response: %v (%v)", resp.Status, resp.StatusCode) return errors.Errorf("blob not removed, server response: %v (%v)", resp.Status, resp.StatusCode)
} }

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@ -34,12 +34,12 @@ func newIndex() *Index {
} }
// New creates a new index for repo from scratch. // New creates a new index for repo from scratch.
func New(ctx context.Context, repo restic.Repository, p *restic.Progress) (*Index, error) { func New(ctx context.Context, repo restic.Repository, ignorePacks restic.IDSet, p *restic.Progress) (*Index, error) {
p.Start() p.Start()
defer p.Done() defer p.Done()
ch := make(chan worker.Job) ch := make(chan worker.Job)
go list.AllPacks(ctx, repo, ch) go list.AllPacks(ctx, repo, ignorePacks, ch)
idx := newIndex() idx := newIndex()

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@ -43,7 +43,7 @@ func TestIndexNew(t *testing.T) {
repo, cleanup := createFilledRepo(t, 3, 0) repo, cleanup := createFilledRepo(t, 3, 0)
defer cleanup() defer cleanup()
idx, err := New(context.TODO(), repo, nil) idx, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
if err != nil { if err != nil {
t.Fatalf("New() returned error %v", err) t.Fatalf("New() returned error %v", err)
} }
@ -70,7 +70,7 @@ func TestIndexLoad(t *testing.T) {
validateIndex(t, repo, loadIdx) validateIndex(t, repo, loadIdx)
newIdx, err := New(context.TODO(), repo, nil) newIdx, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
if err != nil { if err != nil {
t.Fatalf("New() returned error %v", err) t.Fatalf("New() returned error %v", err)
} }
@ -134,7 +134,7 @@ func BenchmarkIndexNew(b *testing.B) {
b.ResetTimer() b.ResetTimer()
for i := 0; i < b.N; i++ { for i := 0; i < b.N; i++ {
idx, err := New(context.TODO(), repo, nil) idx, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
if err != nil { if err != nil {
b.Fatalf("New() returned error %v", err) b.Fatalf("New() returned error %v", err)
@ -151,7 +151,7 @@ func BenchmarkIndexSave(b *testing.B) {
repo, cleanup := repository.TestRepository(b) repo, cleanup := repository.TestRepository(b)
defer cleanup() defer cleanup()
idx, err := New(context.TODO(), repo, nil) idx, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
test.OK(b, err) test.OK(b, err)
for i := 0; i < 8000; i++ { for i := 0; i < 8000; i++ {
@ -184,7 +184,7 @@ func TestIndexDuplicateBlobs(t *testing.T) {
repo, cleanup := createFilledRepo(t, 3, 0.01) repo, cleanup := createFilledRepo(t, 3, 0.01)
defer cleanup() defer cleanup()
idx, err := New(context.TODO(), repo, nil) idx, err := New(context.TODO(), repo, restic.NewIDSet(), nil)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} }

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@ -37,7 +37,7 @@ func (l Result) Entries() []restic.Blob {
} }
// AllPacks sends the contents of all packs to ch. // AllPacks sends the contents of all packs to ch.
func AllPacks(ctx context.Context, repo Lister, ch chan<- worker.Job) { func AllPacks(ctx context.Context, repo Lister, ignorePacks restic.IDSet, ch chan<- worker.Job) {
f := func(ctx context.Context, job worker.Job) (interface{}, error) { f := func(ctx context.Context, job worker.Job) (interface{}, error) {
packID := job.Data.(restic.ID) packID := job.Data.(restic.ID)
entries, size, err := repo.ListPack(ctx, packID) entries, size, err := repo.ListPack(ctx, packID)
@ -55,6 +55,10 @@ func AllPacks(ctx context.Context, repo Lister, ch chan<- worker.Job) {
go func() { go func() {
defer close(jobCh) defer close(jobCh)
for id := range repo.List(ctx, restic.DataFile) { for id := range repo.List(ctx, restic.DataFile) {
if ignorePacks.Has(id) {
continue
}
select { select {
case jobCh <- worker.Job{Data: id}: case jobCh <- worker.Job{Data: id}:
case <-ctx.Done(): case <-ctx.Done():

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@ -10,15 +10,16 @@ import (
// Backend implements a mock backend. // Backend implements a mock backend.
type Backend struct { type Backend struct {
CloseFn func() error CloseFn func() error
SaveFn func(ctx context.Context, h restic.Handle, rd io.Reader) error IsNotExistFn func(err error) bool
LoadFn func(ctx context.Context, h restic.Handle, length int, offset int64) (io.ReadCloser, error) SaveFn func(ctx context.Context, h restic.Handle, rd io.Reader) error
StatFn func(ctx context.Context, h restic.Handle) (restic.FileInfo, error) LoadFn func(ctx context.Context, h restic.Handle, length int, offset int64) (io.ReadCloser, error)
ListFn func(ctx context.Context, t restic.FileType) <-chan string StatFn func(ctx context.Context, h restic.Handle) (restic.FileInfo, error)
RemoveFn func(ctx context.Context, h restic.Handle) error ListFn func(ctx context.Context, t restic.FileType) <-chan string
TestFn func(ctx context.Context, h restic.Handle) (bool, error) RemoveFn func(ctx context.Context, h restic.Handle) error
DeleteFn func(ctx context.Context) error TestFn func(ctx context.Context, h restic.Handle) (bool, error)
LocationFn func() string DeleteFn func(ctx context.Context) error
LocationFn func() string
} }
// Close the backend. // Close the backend.
@ -39,6 +40,15 @@ func (m *Backend) Location() string {
return m.LocationFn() return m.LocationFn()
} }
// IsNotExist returns true if the error is caused by a missing file.
func (m *Backend) IsNotExist(err error) bool {
if m.IsNotExistFn == nil {
return false
}
return m.IsNotExistFn(err)
}
// Save data in the backend. // Save data in the backend.
func (m *Backend) Save(ctx context.Context, h restic.Handle, rd io.Reader) error { func (m *Backend) Save(ctx context.Context, h restic.Handle, rd io.Reader) error {
if m.SaveFn == nil { if m.SaveFn == nil {

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@ -16,9 +16,9 @@ import (
// Repack takes a list of packs together with a list of blobs contained in // Repack takes a list of packs together with a list of blobs contained in
// these packs. Each pack is loaded and the blobs listed in keepBlobs is saved // these packs. Each pack is loaded and the blobs listed in keepBlobs is saved
// into a new pack. Afterwards, the packs are removed. This operation requires // into a new pack. Returned is the list of obsolete packs which can then
// an exclusive lock on the repo. // be removed.
func Repack(ctx context.Context, repo restic.Repository, packs restic.IDSet, keepBlobs restic.BlobSet, p *restic.Progress) (err error) { func Repack(ctx context.Context, repo restic.Repository, packs restic.IDSet, keepBlobs restic.BlobSet, p *restic.Progress) (obsoletePacks restic.IDSet, err error) {
debug.Log("repacking %d packs while keeping %d blobs", len(packs), len(keepBlobs)) debug.Log("repacking %d packs while keeping %d blobs", len(packs), len(keepBlobs))
for packID := range packs { for packID := range packs {
@ -27,39 +27,39 @@ func Repack(ctx context.Context, repo restic.Repository, packs restic.IDSet, kee
tempfile, err := fs.TempFile("", "restic-temp-repack-") tempfile, err := fs.TempFile("", "restic-temp-repack-")
if err != nil { if err != nil {
return errors.Wrap(err, "TempFile") return nil, errors.Wrap(err, "TempFile")
} }
beRd, err := repo.Backend().Load(ctx, h, 0, 0) beRd, err := repo.Backend().Load(ctx, h, 0, 0)
if err != nil { if err != nil {
return err return nil, err
} }
hrd := hashing.NewReader(beRd, sha256.New()) hrd := hashing.NewReader(beRd, sha256.New())
packLength, err := io.Copy(tempfile, hrd) packLength, err := io.Copy(tempfile, hrd)
if err != nil { if err != nil {
return errors.Wrap(err, "Copy") return nil, errors.Wrap(err, "Copy")
} }
if err = beRd.Close(); err != nil { if err = beRd.Close(); err != nil {
return errors.Wrap(err, "Close") return nil, errors.Wrap(err, "Close")
} }
hash := restic.IDFromHash(hrd.Sum(nil)) hash := restic.IDFromHash(hrd.Sum(nil))
debug.Log("pack %v loaded (%d bytes), hash %v", packID.Str(), packLength, hash.Str()) debug.Log("pack %v loaded (%d bytes), hash %v", packID.Str(), packLength, hash.Str())
if !packID.Equal(hash) { if !packID.Equal(hash) {
return errors.Errorf("hash does not match id: want %v, got %v", packID, hash) return nil, errors.Errorf("hash does not match id: want %v, got %v", packID, hash)
} }
_, err = tempfile.Seek(0, 0) _, err = tempfile.Seek(0, 0)
if err != nil { if err != nil {
return errors.Wrap(err, "Seek") return nil, errors.Wrap(err, "Seek")
} }
blobs, err := pack.List(repo.Key(), tempfile, packLength) blobs, err := pack.List(repo.Key(), tempfile, packLength)
if err != nil { if err != nil {
return err return nil, err
} }
debug.Log("processing pack %v, blobs: %v", packID.Str(), len(blobs)) debug.Log("processing pack %v, blobs: %v", packID.Str(), len(blobs))
@ -80,30 +80,30 @@ func Repack(ctx context.Context, repo restic.Repository, packs restic.IDSet, kee
n, err := tempfile.ReadAt(buf, int64(entry.Offset)) n, err := tempfile.ReadAt(buf, int64(entry.Offset))
if err != nil { if err != nil {
return errors.Wrap(err, "ReadAt") return nil, errors.Wrap(err, "ReadAt")
} }
if n != len(buf) { if n != len(buf) {
return errors.Errorf("read blob %v from %v: not enough bytes read, want %v, got %v", return nil, errors.Errorf("read blob %v from %v: not enough bytes read, want %v, got %v",
h, tempfile.Name(), len(buf), n) h, tempfile.Name(), len(buf), n)
} }
n, err = crypto.Decrypt(repo.Key(), buf, buf) n, err = crypto.Decrypt(repo.Key(), buf, buf)
if err != nil { if err != nil {
return err return nil, err
} }
buf = buf[:n] buf = buf[:n]
id := restic.Hash(buf) id := restic.Hash(buf)
if !id.Equal(entry.ID) { if !id.Equal(entry.ID) {
return errors.Errorf("read blob %v from %v: wrong data returned, hash is %v", return nil, errors.Errorf("read blob %v from %v: wrong data returned, hash is %v",
h, tempfile.Name(), id) h, tempfile.Name(), id)
} }
_, err = repo.SaveBlob(ctx, entry.Type, buf, entry.ID) _, err = repo.SaveBlob(ctx, entry.Type, buf, entry.ID)
if err != nil { if err != nil {
return err return nil, err
} }
debug.Log(" saved blob %v", entry.ID.Str()) debug.Log(" saved blob %v", entry.ID.Str())
@ -112,11 +112,11 @@ func Repack(ctx context.Context, repo restic.Repository, packs restic.IDSet, kee
} }
if err = tempfile.Close(); err != nil { if err = tempfile.Close(); err != nil {
return errors.Wrap(err, "Close") return nil, errors.Wrap(err, "Close")
} }
if err = fs.RemoveIfExists(tempfile.Name()); err != nil { if err = fs.RemoveIfExists(tempfile.Name()); err != nil {
return errors.Wrap(err, "Remove") return nil, errors.Wrap(err, "Remove")
} }
if p != nil { if p != nil {
p.Report(restic.Stat{Blobs: 1}) p.Report(restic.Stat{Blobs: 1})
@ -124,18 +124,8 @@ func Repack(ctx context.Context, repo restic.Repository, packs restic.IDSet, kee
} }
if err := repo.Flush(); err != nil { if err := repo.Flush(); err != nil {
return err return nil, err
} }
for packID := range packs { return packs, nil
h := restic.Handle{Type: restic.DataFile, Name: packID.String()}
err := repo.Backend().Remove(ctx, h)
if err != nil {
debug.Log("error removing pack %v: %v", packID.Str(), err)
return err
}
debug.Log("removed pack %v", packID.Str())
}
return nil
} }

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@ -127,10 +127,17 @@ func findPacksForBlobs(t *testing.T, repo restic.Repository, blobs restic.BlobSe
} }
func repack(t *testing.T, repo restic.Repository, packs restic.IDSet, blobs restic.BlobSet) { func repack(t *testing.T, repo restic.Repository, packs restic.IDSet, blobs restic.BlobSet) {
err := repository.Repack(context.TODO(), repo, packs, blobs, nil) repackedBlobs, err := repository.Repack(context.TODO(), repo, packs, blobs, nil)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} }
for id := range repackedBlobs {
err = repo.Backend().Remove(context.TODO(), restic.Handle{Type: restic.DataFile, Name: id.String()})
if err != nil {
t.Fatal(err)
}
}
} }
func saveIndex(t *testing.T, repo restic.Repository) { func saveIndex(t *testing.T, repo restic.Repository) {
@ -140,7 +147,7 @@ func saveIndex(t *testing.T, repo restic.Repository) {
} }
func rebuildIndex(t *testing.T, repo restic.Repository) { func rebuildIndex(t *testing.T, repo restic.Repository) {
idx, err := index.New(context.TODO(), repo, nil) idx, err := index.New(context.TODO(), repo, restic.NewIDSet(), nil)
if err != nil { if err != nil {
t.Fatal(err) t.Fatal(err)
} }