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Re-add existingPrevs loop

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Neil Alexander 2020-12-09 12:38:08 +00:00
parent fca342101e
commit 2ef90a65d9
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1 changed files with 8 additions and 0 deletions
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8
roomserver/internal/input/input_latest_events.go
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@ -306,6 +306,14 @@ func (u *latestEventsUpdater) calculateLatest(
delete(existingRefs, prevEventID) delete(existingRefs, prevEventID)
} }
// Ensure that we don't add any candidate forward extremities from
// the old set that are, themselves, referenced by the old set of
// forward extremities. This shouldn't happen but guards against
// the possibility anyway.
for prevEventID := range existingPrevs {
delete(existingRefs, prevEventID)
}
// Then re-add any old extremities that are still valid after all. // Then re-add any old extremities that are still valid after all.
for _, old := range existingRefs { for _, old := range existingRefs {
newLatest = append(newLatest, *old) newLatest = append(newLatest, *old)