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Use optimized getUsedBlobs in prune

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This commit is contained in:
Alexander Weiss 2020-07-19 09:48:53 +02:00
parent b7b479b668
commit 9762bec091
1 changed files with 30 additions and 21 deletions
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51
cmd/restic/cmd_prune.go
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@ -186,28 +186,10 @@ func pruneRepository(gopts GlobalOptions, repo restic.Repository) error {
stats.snapshots = len(snapshots)
Verbosef("find data that is still in use for %d snapshots\n", stats.snapshots)
usedBlobs := restic.NewBlobSet()
bar = newProgressMax(!gopts.Quiet, uint64(len(snapshots)), "snapshots")
bar.Start()
for _, sn := range snapshots {
debug.Log("process snapshot %v", sn.ID())
err = restic.FindUsedBlobs(ctx, repo, *sn.Tree, usedBlobs)
if err != nil {
if repo.Backend().IsNotExist(err) {
return errors.Fatal("unable to load a tree from the repo: " + err.Error())
}
return err
}
debug.Log("processed snapshot %v", sn.ID())
bar.Report(restic.Stat{Blobs: 1})
usedBlobs, err := getUsedBlobs(gopts, repo, snapshots)
if err != nil {
return err
}
bar.Done()
if len(usedBlobs) > stats.blobs {
return errors.Fatalf("number of used blobs is larger than number of available blobs!\n" +
@ -312,3 +294,30 @@ func pruneRepository(gopts GlobalOptions, repo restic.Repository) error {
Verbosef("done\n")
return nil
}
func getUsedBlobs(gopts GlobalOptions, repo restic.Repository, snapshots []*restic.Snapshot) (usedBlobs restic.BlobSet, err error) {
ctx := gopts.ctx
Verbosef("find data that is still in use for %d snapshots\n", len(snapshots))
usedBlobs = restic.NewBlobSet()
bar := newProgressMax(!gopts.Quiet, uint64(len(snapshots)), "snapshots")
bar.Start()
for _, sn := range snapshots {
debug.Log("process snapshot %v", sn.ID())
err = restic.FindUsedBlobs(ctx, repo, *sn.Tree, usedBlobs)
if err != nil {
if repo.Backend().IsNotExist(err) {
return nil, errors.Fatal("unable to load a tree from the repo: " + err.Error())
}
return nil, err
}
debug.Log("processed snapshot %v", sn.ID())
bar.Report(restic.Stat{Blobs: 1})
}
return usedBlobs, nil
}