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|
{- Web remotes.
-
- Copyright 2011 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Remote.Web (remote) where
import Common.Annex
import Types.Remote
import qualified Git
import qualified Git.Construct
import Annex.Content
import Config
import Config.Cost
import Logs.Web
import qualified Utility.Url as Url
import Types.Key
import Utility.Metered
import qualified Data.Map as M
remote :: RemoteType
remote = RemoteType {
typename = "web",
enumerate = list,
generate = gen,
setup = error "not supported"
}
-- There is only one web remote, and it always exists.
-- (If the web should cease to exist, remove this module and redistribute
-- a new release to the survivors by carrier pigeon.)
list :: Annex [Git.Repo]
list = do
r <- liftIO $ Git.Construct.remoteNamed "web" Git.Construct.fromUnknown
return [r]
gen :: Git.Repo -> UUID -> RemoteConfig -> RemoteGitConfig -> Annex Remote
gen r _ _ gc =
return Remote {
uuid = webUUID,
cost = expensiveRemoteCost,
name = Git.repoDescribe r,
storeKey = uploadKey,
retrieveKeyFile = downloadKey,
retrieveKeyFileCheap = downloadKeyCheap,
removeKey = dropKey,
hasKey = checkKey,
hasKeyCheap = False,
whereisKey = Just getUrls,
config = M.empty,
gitconfig = gc,
localpath = Nothing,
repo = r,
readonly = True,
globallyAvailable = True,
remotetype = remote
}
downloadKey :: Key -> AssociatedFile -> FilePath -> MeterUpdate -> Annex Bool
downloadKey key _file dest _p = get =<< getUrls key
where
get [] = do
warning "no known url"
return False
get urls = do
showOutput -- make way for download progress bar
downloadUrl urls dest
downloadKeyCheap :: Key -> FilePath -> Annex Bool
downloadKeyCheap _ _ = return False
uploadKey :: Key -> AssociatedFile -> MeterUpdate -> Annex Bool
uploadKey _ _ _ = do
warning "upload to web not supported"
return False
dropKey :: Key -> Annex Bool
dropKey k = do
mapM_ (setUrlMissing k) =<< getUrls k
return True
checkKey :: Key -> Annex (Either String Bool)
checkKey key = do
us <- getUrls key
if null us
then return $ Right False
else return . Right =<< checkKey' key us
checkKey' :: Key -> [URLString] -> Annex Bool
checkKey' key us = untilTrue us $ \u -> do
showAction $ "checking " ++ u
headers <- getHttpHeaders
liftIO $ Url.check u headers (keySize key)
|
