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Merge pull request #4019 from MichaelEischer/fix-file-saver-race

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archiver: Fix race condition resulting in files containing null IDs
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Michael Eischer 2022-11-11 20:52:33 +01:00 committed by GitHub
commit 32c9667990
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2 changed files with 8 additions and 0 deletions
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5
internal/archiver/blob_saver_test.go
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@ -48,14 +48,19 @@ func TestBlobSaver(t *testing.T) {
var wait sync.WaitGroup
var results []SaveBlobResponse
var lock sync.Mutex
wait.Add(20)
for i := 0; i < 20; i++ {
buf := &Buffer{Data: []byte(fmt.Sprintf("foo%d", i))}
idx := i
lock.Lock()
results = append(results, SaveBlobResponse{})
lock.Unlock()
b.Save(ctx, restic.DataBlob, buf, func(res SaveBlobResponse) {
lock.Lock()
results[idx] = res
lock.Unlock()
wait.Done()
})
}

3
internal/archiver/file_saver.go
View File

@ -199,7 +199,10 @@ func (s *FileSaver) saveFile(ctx context.Context, chnker *chunker.Chunker, snPat
// add a place to store the saveBlob result
pos := idx
lock.Lock()
node.Content = append(node.Content, restic.ID{})
lock.Unlock()
s.saveBlob(ctx, restic.DataBlob, buf, func(sbr SaveBlobResponse) {
lock.Lock()