dede05171b
The tricky part about this is that to generate a key, the file must be present already. Worked around by adding (back) an URL key type, which is used for addurl --fast.
93 lines
2.2 KiB
Haskell
93 lines
2.2 KiB
Haskell
{- git-annex command
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-
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- Copyright 2011 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Command.AddUrl where
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import Control.Monad.State (liftIO, when)
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import Network.URI
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import Data.String.Utils
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import System.Directory
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import Command
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import qualified Backend
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import qualified Remote.Web
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import qualified Command.Add
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import qualified Annex
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import qualified Backend.URL
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import Messages
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import Content
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import PresenceLog
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import Locations
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import Utility
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command :: [Command]
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command = [repoCommand "addurl" paramPath seek "add urls to annex"]
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seek :: [CommandSeek]
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seek = [withStrings start]
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start :: CommandStartString
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start s = do
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let u = parseURI s
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case u of
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Nothing -> error $ "bad url " ++ s
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Just url -> do
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file <- liftIO $ url2file url
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showStart "addurl" file
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next $ perform s file
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perform :: String -> FilePath -> CommandPerform
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perform url file = do
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fast <- Annex.getState Annex.fast
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if fast then nodownload url file else download url file
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download :: String -> FilePath -> CommandPerform
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download url file = do
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g <- Annex.gitRepo
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showAction $ "downloading " ++ url ++ " "
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let dummykey = Backend.URL.fromUrl url
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let tmp = gitAnnexTmpLocation g dummykey
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liftIO $ createDirectoryIfMissing True (parentDir tmp)
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ok <- Remote.Web.download [url] tmp
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if ok
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then do
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[(_, backend)] <- Backend.chooseBackends [file]
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k <- Backend.genKey tmp backend
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case k of
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Nothing -> stop
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Just (key, _) -> do
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moveAnnex key tmp
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Remote.Web.setUrl key url InfoPresent
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next $ Command.Add.cleanup file key True
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else stop
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nodownload :: String -> FilePath -> CommandPerform
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nodownload url file = do
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let key = Backend.URL.fromUrl url
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Remote.Web.setUrl key url InfoPresent
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next $ Command.Add.cleanup file key False
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url2file :: URI -> IO FilePath
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url2file url = do
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let parts = filter safe $ split "/" $ uriPath url
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if null parts
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then fallback
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else do
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let file = last parts
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e <- doesFileExist file
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if e then fallback else return file
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where
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fallback = do
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let file = replace "/" "_" $ show url
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e <- doesFileExist file
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when e $ error "already have this url"
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return file
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safe "" = False
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safe "." = False
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safe ".." = False
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safe _ = True
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