darcs repository web UI and hosting app. This is the main darcsden trunk, which also runs hub.darcs.net. (https://hub.darcs.net)
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| {-# LANGUAGE ScopedTypeVariables,CPP,FlexibleInstances #-}
module DarcsDen.Darcs where
import Control.Exception as E
import Control.Monad
import Control.Monad.Trans
import qualified Darcs.Repository as R
import qualified Darcs.Repository.Flags as F
import Darcs.UI.Commands (DarcsCommand)
import qualified Darcs.UI.Commands.Clone as C
import qualified Darcs.UI.Options as O
import qualified Darcs.UI.Options.All as O
import Darcs.UI.RunCommand (runWithHooks)
import Darcs.Util.File (withCurrentDirectory)
import Darcs.Util.Path (ioAbsolute)
import DarcsDen.Settings
import System.Directory (createDirectoryIfMissing, removeDirectoryRecursive)
sanityDarcs :: DarcsCommand -> O.Config -> [String] -> IO ()
sanityDarcs cmd opts args = do
cwd <- ioAbsolute "."
runWithHooks cmd (cwd,cwd) (makeQuiet opts) args
makeQuiet :: O.Config -> O.Config
makeQuiet = O.unparseOpt O.verbosity O.Quiet
getTo :: MonadIO m => String -> String -> m ()
getTo from to = liftIO $ sanityDarcs C.get [] [from, to]
data RepoType = Darcs1 | Darcs2
-- could move this to Settings, but there's only
-- one realistic default at present
repoTypeDefault :: RepoType
repoTypeDefault = Darcs2
repoTypeDarcs1 :: (?settings :: Settings) => RepoType
repoTypeDarcs1 =
if supportdarcs1
then Darcs1
else error "darcs 1 repos are not supported by this installation"
repoTypeFromString :: (?settings :: Settings) => Maybe String -> RepoType
repoTypeFromString Nothing = repoTypeDefault
repoTypeFromString (Just "darcs-1") = repoTypeDarcs1
repoTypeFromString (Just "darcs-2") = Darcs2
repoTypeFromString (Just s) = error $ "unknown repo type " ++ s
repoTypeFromDarcs1Flag :: (?settings :: Settings) => Bool -> RepoType
repoTypeFromDarcs1Flag False = repoTypeDefault
repoTypeFromDarcs1Flag True = repoTypeDarcs1
init :: (MonadIO m, ?settings :: Settings) => RepoType -> String -> m ()
init repoType to = liftIO $ do
createDirectoryIfMissing True to
withCurrentDirectory to (void $ R.createRepository useDarcs1 F.WithWorkingDir F.YesPatchIndex F.YesUseCache) `E.catch` \(_ :: IOException) ->
when deletefiles $ removeDirectoryRecursive to
where
useDarcs1 =
case repoType of
Darcs1 -> F.PatchFormat1
Darcs2 -> F.PatchFormat2
|