mirror of
https://github.com/octoleo/restic.git
synced 2024-11-02 19:49:44 +00:00
commit
f9fc8674eb
@ -272,7 +272,13 @@ func readBackupFromStdin(opts BackupOptions, gopts GlobalOptions, args []string)
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return err
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}
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_, id, err := archiver.ArchiveReader(repo, newArchiveStdinProgress(gopts), os.Stdin, opts.StdinFilename, opts.Tags, opts.Hostname)
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r := &archiver.Reader{
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Repository: repo,
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Tags: opts.Tags,
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Hostname: opts.Hostname,
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}
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_, id, err := r.Archive(opts.StdinFilename, os.Stdin, newArchiveStdinProgress(gopts))
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if err != nil {
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return err
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}
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@ -1,7 +1,8 @@
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package main
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import (
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"restic/repository"
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"restic"
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"restic/index"
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"github.com/spf13/cobra"
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)
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@ -34,5 +35,47 @@ func runRebuildIndex(gopts GlobalOptions) error {
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return err
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}
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return repository.RebuildIndex(repo)
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done := make(chan struct{})
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defer close(done)
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Verbosef("counting files in repo\n")
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var packs uint64
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for _ = range repo.List(restic.DataFile, done) {
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packs++
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}
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bar := newProgressMax(!gopts.Quiet, packs, "packs")
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idx, err := index.New(repo, bar)
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if err != nil {
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return err
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}
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Verbosef("listing old index files\n")
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var supersedes restic.IDs
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for id := range repo.List(restic.IndexFile, done) {
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supersedes = append(supersedes, id)
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}
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id, err := idx.Save(repo, supersedes)
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if err != nil {
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return err
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}
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Verbosef("saved new index as %v\n", id.Str())
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Verbosef("remove %d old index files\n", len(supersedes))
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for _, id := range supersedes {
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err := repo.Backend().Remove(restic.Handle{
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Type: restic.IndexFile,
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Name: id.String(),
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})
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if err != nil {
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Warnf("error deleting old index %v: %v\n", id.Str(), err)
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}
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}
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return nil
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}
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@ -11,15 +11,22 @@ import (
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"github.com/restic/chunker"
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)
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// ArchiveReader reads from the reader and archives the data. Returned is the
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// resulting snapshot and its ID.
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func ArchiveReader(repo restic.Repository, p *restic.Progress, rd io.Reader, name string, tags []string, hostname string) (*restic.Snapshot, restic.ID, error) {
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// Reader allows saving a stream of data to the repository.
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type Reader struct {
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restic.Repository
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Tags []string
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Hostname string
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}
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// Archive reads data from the reader and saves it to the repo.
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func (r *Reader) Archive(name string, rd io.Reader, p *restic.Progress) (*restic.Snapshot, restic.ID, error) {
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if name == "" {
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return nil, restic.ID{}, errors.New("no filename given")
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}
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debug.Log("start archiving %s", name)
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sn, err := restic.NewSnapshot([]string{name}, tags, hostname)
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sn, err := restic.NewSnapshot([]string{name}, r.Tags, r.Hostname)
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if err != nil {
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return nil, restic.ID{}, err
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}
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@ -27,6 +34,7 @@ func ArchiveReader(repo restic.Repository, p *restic.Progress, rd io.Reader, nam
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p.Start()
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defer p.Done()
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repo := r.Repository
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chnker := chunker.New(rd, repo.Config().ChunkerPolynomial)
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ids := restic.IDs{}
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@ -79,7 +79,13 @@ func TestArchiveReader(t *testing.T) {
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f := fakeFile(t, seed, size)
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sn, id, err := ArchiveReader(repo, nil, f, "fakefile", []string{"test"}, "localhost")
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r := &Reader{
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Repository: repo,
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Hostname: "localhost",
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Tags: []string{"test"},
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}
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sn, id, err := r.Archive("fakefile", f, nil)
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if err != nil {
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t.Fatalf("ArchiveReader() returned error %v", err)
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}
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@ -99,7 +105,13 @@ func TestArchiveReaderNull(t *testing.T) {
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repo, cleanup := repository.TestRepository(t)
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defer cleanup()
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sn, id, err := ArchiveReader(repo, nil, bytes.NewReader(nil), "fakefile", nil, "localhost")
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r := &Reader{
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Repository: repo,
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Hostname: "localhost",
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Tags: []string{"test"},
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}
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sn, id, err := r.Archive("fakefile", bytes.NewReader(nil), nil)
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if err != nil {
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t.Fatalf("ArchiveReader() returned error %v", err)
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}
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@ -134,7 +146,13 @@ func TestArchiveReaderError(t *testing.T) {
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repo, cleanup := repository.TestRepository(t)
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defer cleanup()
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sn, id, err := ArchiveReader(repo, nil, errReader("error returned by reading stdin"), "fakefile", nil, "localhost")
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r := &Reader{
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Repository: repo,
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Hostname: "localhost",
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Tags: []string{"test"},
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}
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sn, id, err := r.Archive("fakefile", errReader("error returned by reading stdin"), nil)
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if err == nil {
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t.Errorf("expected error not returned")
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}
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@ -167,11 +185,17 @@ func BenchmarkArchiveReader(t *testing.B) {
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t.Fatal(err)
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}
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r := &Reader{
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Repository: repo,
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Hostname: "localhost",
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Tags: []string{"test"},
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}
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t.SetBytes(size)
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t.ResetTimer()
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for i := 0; i < t.N; i++ {
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_, _, err := ArchiveReader(repo, nil, bytes.NewReader(buf), "fakefile", []string{"test"}, "localhost")
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_, _, err := r.Archive("fakefile", bytes.NewReader(buf), nil)
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if err != nil {
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t.Fatal(err)
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}
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@ -1,66 +0,0 @@
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package repository
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import (
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"fmt"
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"os"
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"restic"
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"restic/debug"
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"restic/list"
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"restic/worker"
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)
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// RebuildIndex lists all packs in the repo, writes a new index and removes all
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// old indexes. This operation should only be done with an exclusive lock in
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// place.
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func RebuildIndex(repo restic.Repository) error {
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debug.Log("start rebuilding index")
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done := make(chan struct{})
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defer close(done)
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ch := make(chan worker.Job)
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go list.AllPacks(repo, ch, done)
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idx := NewIndex()
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for job := range ch {
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id := job.Data.(restic.ID)
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if job.Error != nil {
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fmt.Fprintf(os.Stderr, "error for pack %v: %v\n", id, job.Error)
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continue
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}
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res := job.Result.(list.Result)
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for _, entry := range res.Entries() {
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pb := restic.PackedBlob{
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Blob: entry,
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PackID: res.PackID(),
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}
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idx.Store(pb)
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}
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}
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oldIndexes := restic.NewIDSet()
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for id := range repo.List(restic.IndexFile, done) {
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idx.AddToSupersedes(id)
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oldIndexes.Insert(id)
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}
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id, err := SaveIndex(repo, idx)
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if err != nil {
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debug.Log("error saving index: %v", err)
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return err
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}
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debug.Log("new index saved as %v", id.Str())
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for indexID := range oldIndexes {
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h := restic.Handle{Type: restic.IndexFile, Name: indexID.String()}
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err := repo.Backend().Remove(h)
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if err != nil {
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fmt.Fprintf(os.Stderr, "unable to remove index %v: %v\n", indexID.Str(), err)
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}
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}
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return nil
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}
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@ -4,6 +4,7 @@ import (
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"io"
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"math/rand"
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"restic"
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"restic/index"
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"restic/repository"
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"testing"
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)
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@ -144,8 +145,24 @@ 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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if err := repository.RebuildIndex(repo); err != nil {
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t.Fatalf("error rebuilding index: %v", err)
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idx, err := index.New(repo, nil)
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if err != nil {
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t.Fatal(err)
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}
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for id := range repo.List(restic.IndexFile, nil) {
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err = repo.Backend().Remove(restic.Handle{
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Type: restic.IndexFile,
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Name: id.String(),
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})
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if err != nil {
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t.Fatal(err)
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}
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}
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_, err = idx.Save(repo, nil)
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if err != nil {
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t.Fatal(err)
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}
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}
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