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index: remove support for legacy index format

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This commit is contained in:
Michael Eischer
2024-08-26 20:07:21 +02:00
parent a5533344f9
commit 943b6ccfba
12 changed files with 28 additions and 168 deletions
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17
internal/repository/index/master_index.go
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@@ -265,7 +265,7 @@ func (mi *MasterIndex) MergeFinalIndexes() error {
return nil
}
func (mi *MasterIndex) Load(ctx context.Context, r restic.ListerLoaderUnpacked, p *progress.Counter, cb func(id restic.ID, idx *Index, oldFormat bool, err error) error) error {
func (mi *MasterIndex) Load(ctx context.Context, r restic.ListerLoaderUnpacked, p *progress.Counter, cb func(id restic.ID, idx *Index, err error) error) error {
indexList, err := restic.MemorizeList(ctx, r, restic.IndexFile)
if err != nil {
return err
@@ -284,12 +284,12 @@ func (mi *MasterIndex) Load(ctx context.Context, r restic.ListerLoaderUnpacked,
defer p.Done()
}
err = ForAllIndexes(ctx, indexList, r, func(id restic.ID, idx *Index, oldFormat bool, err error) error {
err = ForAllIndexes(ctx, indexList, r, func(id restic.ID, idx *Index, err error) error {
if p != nil {
p.Add(1)
}
if cb != nil {
err = cb(id, idx, oldFormat, err)
err = cb(id, idx, err)
}
if err != nil {
return err
@@ -365,8 +365,7 @@ func (mi *MasterIndex) Rewrite(ctx context.Context, repo restic.Unpacked, exclud
var rewriteWg sync.WaitGroup
type rewriteTask struct {
idx *Index
oldFormat bool
idx *Index
}
rewriteCh := make(chan rewriteTask)
loader := func() error {
@@ -376,13 +375,13 @@ func (mi *MasterIndex) Rewrite(ctx context.Context, repo restic.Unpacked, exclud
if err != nil {
return fmt.Errorf("LoadUnpacked(%v): %w", id.Str(), err)
}
idx, oldFormat, err := DecodeIndex(buf, id)
idx, err := DecodeIndex(buf, id)
if err != nil {
return err
}
select {
case rewriteCh <- rewriteTask{idx, oldFormat}:
case rewriteCh <- rewriteTask{idx}:
case <-wgCtx.Done():
return wgCtx.Err()
}
@@ -411,8 +410,8 @@ func (mi *MasterIndex) Rewrite(ctx context.Context, repo restic.Unpacked, exclud
defer close(saveCh)
newIndex := NewIndex()
for task := range rewriteCh {
// always rewrite indexes using the old format, that include a pack that must be removed or that are not full
if !task.oldFormat && len(task.idx.Packs().Intersect(excludePacks)) == 0 && IndexFull(task.idx) {
// always rewrite indexes that include a pack that must be removed or that are not full
if len(task.idx.Packs().Intersect(excludePacks)) == 0 && IndexFull(task.idx) {
// make sure that each pack is only stored exactly once in the index
excludePacks.Merge(task.idx.Packs())
// index is already up to date