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Add comments, clarify computation

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This commit is contained in:
Alexander Neumann 2020-11-06 11:26:35 +01:00
parent d2e53730d6
commit 47277c4b4c
1 changed files with 7 additions and 2 deletions
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9
cmd/restic/cmd_prune.go
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@ -473,14 +473,19 @@ func prune(opts PruneOptions, gopts GlobalOptions, repo restic.Repository, usedB
packsAddedByRepack := 0
if len(repackPacks) != 0 {
packsAddedByRepack -= len(repo.Index().Packs())
// Remember the number of unique packs before repacking
packsBeforeRepacking := len(repo.Index().Packs())
Verbosef("repacking packs\n")
bar := newProgressMax(!gopts.Quiet, uint64(len(repackPacks)), "packs repacked")
_, err := repository.Repack(ctx, repo, repackPacks, keepBlobs, bar)
if err != nil {
return err
}
packsAddedByRepack += len(repo.Index().Packs())
// Since repacking will only add new packs, we can calculate the number
// of packs like this:
packsAddedByRepack = len(repo.Index().Packs()) - packsBeforeRepacking
// Also remove repacked packs
removePacks.Merge(repackPacks)