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mincopies

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This is conceptually very simple, just making a 1 that was hard coded be
exposed as a config option. The hard part was plumbing all that, and
dealing with complexities like reading it from git attributes at the
same time that numcopies is read.

Behavior change: When numcopies is set to 0, git-annex used to drop
content without requiring any copies. Now to get that (highly unsafe)
behavior, mincopies also needs to be set to 0. It seemed better to
remove that edge case, than complicate mincopies by ignoring it when
numcopies is 0.

This commit was sponsored by Denis Dzyubenko on Patreon.
This commit is contained in:
Joey Hess 2021-01-06 14:11:08 -04:00
parent 428d228ee5
commit cc89699457
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GPG key ID: DB12DB0FF05F8F38
29 changed files with 412 additions and 219 deletions
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17
Command/DropUnused.hs
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@ -35,20 +35,21 @@ optParser desc = DropUnusedOptions
seek :: DropUnusedOptions -> CommandSeek
seek o = do
numcopies <- getNumCopies
mincopies <- getMinCopies
from <- maybe (pure Nothing) (Just <$$> getParsed) (dropFrom o)
withUnusedMaps (start from numcopies) (rangesToDrop o)
withUnusedMaps (start from numcopies mincopies) (rangesToDrop o)
start :: Maybe Remote -> NumCopies -> UnusedMaps -> Int -> CommandStart
start from numcopies = startUnused "dropunused"
(perform from numcopies)
start :: Maybe Remote -> NumCopies -> MinCopies -> UnusedMaps -> Int -> CommandStart
start from numcopies mincopies = startUnused "dropunused"
(perform from numcopies mincopies)
(performOther gitAnnexBadLocation)
(performOther gitAnnexTmpObjectLocation)
perform :: Maybe Remote -> NumCopies -> Key -> CommandPerform
perform from numcopies key = case from of
perform :: Maybe Remote -> NumCopies -> MinCopies -> Key -> CommandPerform
perform from numcopies mincopies key = case from of
Just r -> do
showAction $ "from " ++ Remote.name r
Command.Drop.performRemote key (AssociatedFile Nothing) numcopies r
Command.Drop.performRemote key (AssociatedFile Nothing) numcopies mincopies r
Nothing -> ifM (inAnnex key)
( droplocal
, ifM (objectFileExists key)
@ -62,7 +63,7 @@ perform from numcopies key = case from of
)
)
where
droplocal = Command.Drop.performLocal key (AssociatedFile Nothing) numcopies []
droplocal = Command.Drop.performLocal key (AssociatedFile Nothing) numcopies mincopies []
performOther :: (Key -> Git.Repo -> RawFilePath) -> Key -> CommandPerform
performOther filespec key = do