Sped up query commands that read the git-annex branch by around 5%
The only price paid is one additional MVar read per write to the journal. Presumably writing a journal file dominiates over a MVar read time by several orders of magnitude. --batch does not get the speedup because then it needs to notice when another process has made a change. Also made the assistant and other damon modes bypass the optimisation, which would not help them anyway.
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14 changed files with 101 additions and 25 deletions
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@ -90,7 +90,7 @@ knownUrls = do
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{- Ensure the git-annex branch's index file is up-to-date and
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- any journaled changes are reflected in it, since we're going
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- to query its index directly. -}
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Annex.Branch.update
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_ <- Annex.Branch.update
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Annex.Branch.commit =<< Annex.Branch.commitMessage
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Annex.Branch.withIndex $ do
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top <- fromRepo Git.repoPath
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