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Put non-object tmp files in .git/annex/misctmp, leaving .git/annex/tmp for only partially transferred objects.

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This allows eg, putting .git/annex/tmp on a ram disk, if the disk IO
of temp object files is too annoying (and if you don't want to keep
partially transferred objects across reboots).

.git/annex/misctmp must be on the same filesystem as the git work tree,
since files are moved to there in a way that will not work cross-device,
as well as symlinked into there.

I first wanted to put the tmp objects in .git/annex/objects/tmp, but
that would pose transition problems on upgrade when partially transferred
objects existed.

git annex info does not currently show the size of .git/annex/misctemp,
since it should stay small. It would also be ok to make something clean it
out, periodically.
This commit is contained in:
Joey Hess 2014-02-26 16:52:56 -04:00
parent a19ad12018
commit a1432bce2f
18 changed files with 35 additions and 28 deletions
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2
Command/Fsck.hs
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@ -147,7 +147,7 @@ performRemote key file backend numcopies remote =
]
withtmp a = do
pid <- liftIO getPID
t <- fromRepo gitAnnexTmpDir
t <- fromRepo gitAnnexTmpObjectDir
createAnnexDirectory t
let tmp = t </> "fsck" ++ show pid ++ "." ++ keyFile key
let cleanup = liftIO $ catchIO (removeFile tmp) (const noop)