// Repack runs the process of finding still used blobs in packs with unused
// blobs, extracts them and creates new packs with just the still-in-use blobs.
func (r *Repacker) Repack() error {
debug.Log("Repacker.Repack", "searching packs for %v", r.unusedBlobs)
unneededPacks, err := FindPacksForBlobs(r.repo, r.unusedBlobs)
if err != nil {
return err
}
debug.Log("Repacker.Repack", "found packs: %v", unneededPacks)
blobs, err := FindBlobsForPacks(r.repo, unneededPacks)
if err != nil {
return err
}
debug.Log("Repacker.Repack", "found blobs: %v", blobs)
for id := range r.unusedBlobs {
debug.Log("Repacker.Repack", "remove unused blob %v", id.Str())
blobs.Delete(id)
}
debug.Log("Repacker.Repack", "need to repack blobs: %v", blobs)
err = RepackBlobs(r.repo, r.repo, blobs)
if err != nil {
return err
}
debug.Log("Repacker.Repack", "remove unneeded packs: %v", unneededPacks)
for packID := range unneededPacks {
err = r.repo.Backend().Remove(backend.Data, packID.String())
if err != nil {
return err
}
}
debug.Log("Repacker.Repack", "rebuild index, unneeded packs: %v", unneededPacks)
idx, err := r.repo.Index().RebuildIndex(unneededPacks)
newIndexID, err := repository.SaveIndex(r.repo, idx)
debug.Log("Repacker.Repack", "saved new index at %v, err %v", newIndexID.Str(), err)
if err != nil {
return err
}
debug.Log("Repacker.Repack", "remove old indexes: %v", idx.Supersedes())
for _, id := range idx.Supersedes() {
err = r.repo.Backend().Remove(backend.Index, id.String())
if err != nil {
debug.Log("Repacker.Repack", "error removing index %v: %v", id.Str(), err)
return err
}
debug.Log("Repacker.Repack", "removed index %v", id.Str())
}
return nil
}
func (cmd CmdRebuildIndex) storeIndex(index *repository.Index) (*repository.Index, error) {
debug.Log("RebuildIndex.RebuildIndex", "saving index")
cmd.global.Printf(" saving new index\n")
id, err := repository.SaveIndex(cmd.repo, index)
if err != nil {
debug.Log("RebuildIndex.RebuildIndex", "error saving index: %v", err)
return nil, err
}
debug.Log("RebuildIndex.RebuildIndex", "index saved as %v", id.Str())
index = repository.NewIndex()
return index, nil
}