func loadBlobsFromPacks(repo *repository.Repository) (packs map[backend.ID][]pack.Blob) {
done := make(chan struct{})
defer close(done)
f := func(job worker.Job, done <-chan struct{}) (interface{}, error) {
return repo.ListPack(job.Data.(backend.ID))
}
jobCh := make(chan worker.Job)
resCh := make(chan worker.Job)
wp := worker.New(rebuildIndexWorkers, f, jobCh, resCh)
go func() {
for id := range repo.List(backend.Data, done) {
jobCh <- worker.Job{Data: id}
}
close(jobCh)
}()
packs = make(map[backend.ID][]pack.Blob)
for job := range resCh {
id := job.Data.(backend.ID)
if job.Error != nil {
fmt.Fprintf(os.Stderr, "error for pack %v: %v\n", id, job.Error)
continue
}
entries := job.Result.([]pack.Blob)
packs[id] = entries
}
wp.Wait()
return packs
}