git-annex/Command/Reinject.hs
2020-02-21 10:04:44 -04:00

92 lines
2.3 KiB
Haskell

{- git-annex command
-
- Copyright 2011-2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Command.Reinject where
import Command
import Logs.Location
import Annex.Content
import Backend
import Types.KeySource
import Utility.Metered
import qualified Git
cmd :: Command
cmd = command "reinject" SectionUtility
"inject content of file back into annex"
(paramRepeating (paramPair "SRC" "DEST"))
(seek <$$> optParser)
data ReinjectOptions = ReinjectOptions
{ params :: CmdParams
, knownOpt :: Bool
}
optParser :: CmdParamsDesc -> Parser ReinjectOptions
optParser desc = ReinjectOptions
<$> cmdParams desc
<*> switch
( long "known"
<> help "inject all known files"
<> hidden
)
seek :: ReinjectOptions -> CommandSeek
seek os
| knownOpt os = withStrings (commandAction . startKnown) (params os)
| otherwise = withWords (commandAction . startSrcDest) (params os)
startSrcDest :: [FilePath] -> CommandStart
startSrcDest (src:dest:[])
| src == dest = stop
| otherwise = notAnnexed src $ ifAnnexed (toRawFilePath dest) go stop
where
go key = starting "reinject" (ActionItemOther (Just src)) $
ifM (verifyKeyContent RetrievalAllKeysSecure DefaultVerify UnVerified key src)
( perform src key
, giveup $ src ++ " does not have expected content of " ++ dest
)
startSrcDest _ = giveup "specify a src file and a dest file"
startKnown :: FilePath -> CommandStart
startKnown src = notAnnexed src $
starting "reinject" (ActionItemOther (Just src)) $ do
mkb <- genKey ks nullMeterUpdate Nothing
case mkb of
Nothing -> error "Failed to generate key"
Just (key, _) -> ifM (isKnownKey key)
( perform src key
, do
warning "Not known content; skipping"
next $ return True
)
where
ks = KeySource src' src' Nothing
src' = toRawFilePath src
notAnnexed :: FilePath -> CommandStart -> CommandStart
notAnnexed src a =
ifM (fromRepo Git.repoIsLocalBare)
( a
, ifAnnexed (toRawFilePath src)
(giveup $ "cannot used annexed file as src: " ++ src)
a
)
perform :: FilePath -> Key -> CommandPerform
perform src key = ifM move
( next $ cleanup key
, error "failed"
)
where
move = checkDiskSpaceToGet key False $
moveAnnex key src
cleanup :: Key -> CommandCleanup
cleanup key = do
logStatus key InfoPresent
return True