git-annex/Command/Inprogress.hs
Joey Hess 7d9dff5b05
Merge branch 'master' into bs
and update changelog
2019-12-18 15:13:30 -04:00

55 lines
1.4 KiB
Haskell

{- git-annex command
-
- Copyright 2017 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Command.Inprogress where
import Command
import Annex.Transfer
import qualified Data.Set as S
cmd :: Command
cmd = noCommit $ noMessages $ command "inprogress" SectionQuery
"access files while they're being downloaded"
paramPaths (seek <$$> optParser)
data InprogressOptions = InprogressOptions
{ inprogressFiles :: CmdParams
, keyOptions :: Maybe KeyOptions
}
optParser :: CmdParamsDesc -> Parser InprogressOptions
optParser desc = InprogressOptions
<$> cmdParams desc
<*> optional (parseAllOption <|> parseSpecificKeyOption)
seek :: InprogressOptions -> CommandSeek
seek o = do
ts <- map (transferKey . fst) <$> getTransfers
case keyOptions o of
Just WantAllKeys ->
forM_ ts $ commandAction . start'
Just (WantSpecificKey k)
| k `elem` ts -> commandAction (start' k)
| otherwise -> commandAction stop
_ -> do
let s = S.fromList ts
withFilesInGit
(commandAction . (whenAnnexed (start s)))
=<< workTreeItems (inprogressFiles o)
start :: S.Set Key -> RawFilePath -> Key -> CommandStart
start s _file k
| S.member k s = start' k
| otherwise = stop
start' :: Key -> CommandStart
start' k = startingCustomOutput k $ do
tmpf <- fromRepo $ gitAnnexTmpObjectLocation k
whenM (liftIO $ doesFileExist tmpf) $
liftIO $ putStrLn tmpf
next $ return True