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improve storage of redundant ContentIdentifiers

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When a ContentIdentifier is already recorded, don't add it to the log
again, and avoid updating the log.
This commit is contained in:
Joey Hess 2020-12-22 12:00:11 -04:00
commit 06ef1b7d68
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1 changed files with 8 additions and 4 deletions
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12
Logs/ContentIdentifier.hs
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@ -32,12 +32,16 @@ recordContentIdentifier :: RemoteStateHandle -> ContentIdentifier -> Key -> Anne
recordContentIdentifier (RemoteStateHandle u) cid k = do
c <- liftIO currentVectorClock
config <- Annex.getGitConfig
Annex.Branch.change (remoteContentIdentifierLogFile config k) $
buildLog . addcid c . parseLog
Annex.Branch.maybeChange (remoteContentIdentifierLogFile config k) $
addcid c . parseLog
where
addcid c l = changeMapLog c u (cid :| contentIdentifierList (M.lookup u m)) l
addcid c v
| cid `elem` l = Nothing -- no change needed
| otherwise = Just $ buildLog $
changeMapLog c u (cid :| l) v
where
m = simpleMap l
m = simpleMap v
l = contentIdentifierList (M.lookup u m)
-- | Get all known content identifiers for a key.
getContentIdentifiers :: Key -> Annex [(RemoteStateHandle, [ContentIdentifier])]