git-annex/Command/RmUrl.hs

59 lines
1.6 KiB
Haskell

{- git-annex command
-
- Copyright 2013-2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Command.RmUrl where
import Command
import Logs.Web
import qualified Remote
cmd :: Command
cmd = notBareRepo $
command "rmurl" SectionCommon
"record file is not available at url"
(paramRepeating (paramPair paramFile paramUrl))
(seek <$$> optParser)
data RmUrlOptions = RmUrlOptions
{ rmThese :: CmdParams
, batchOption :: BatchMode
}
optParser :: CmdParamsDesc -> Parser RmUrlOptions
optParser desc = RmUrlOptions
<$> cmdParams desc
<*> parseBatchOption
seek :: RmUrlOptions -> CommandSeek
seek o = case batchOption o of
Batch fmt -> batchInput fmt batchParser
(batchCommandAction . start)
NoBatch -> withPairs (commandAction . start) (rmThese o)
-- Split on the last space, since a FilePath can contain whitespace,
-- but a url should not.
batchParser :: String -> Annex (Either String (FilePath, URLString))
batchParser s = case separate (== ' ') (reverse s) of
(ru, rf)
| null ru || null rf -> return $ Left "Expected: \"file url\""
| otherwise -> do
let f = reverse rf
f' <- liftIO $ relPathCwdToFile f
return $ Right (f', reverse ru)
start :: (FilePath, URLString) -> CommandStart
start (file, url) = flip whenAnnexed file' $ \_ key ->
starting "rmurl" (mkActionItem (key, AssociatedFile (Just file'))) $
next $ cleanup url key
where
file' = toRawFilePath file
cleanup :: String -> Key -> CommandCleanup
cleanup url key = do
r <- Remote.claimingUrl url
setUrlMissing key (setDownloader' url r)
return True