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{- Copyright (c) 2005 John Goerzen
<jgoerzen@complete.org>
Please see the COPYRIGHT file
-}
module Config where
import System.Posix.User
import System.Directory
import Data.ConfigFile
import Data.Either.Utils
import Control.Monad
import Data.String.Utils
import Text.Regex
getHomeDir = do uid <- getEffectiveUserID
entry <- getUserEntryForID uid
return (homeDirectory entry)
getConfigPath = do hd <- getHomeDir
return $ hd ++ "/.darcs-buildpackage"
{- | Returns the (upstream, debian) Darcs repository directories for
a package. -}
getDirectories :: String -> IO (String, String)
getDirectories package =
let worker cp =
do cp2 <- set cp "DEFAULT" "package" package
upstr <- get cp2 "DEFAULT" "upstreamrepo"
deb <- get cp2 "DEFAULT" "debianrepo"
return (upstr, deb)
in do cp <- loadCP
return $ forceEither $ worker cp
loadCP :: IO ConfigParser
loadCP =
let startCP = emptyCP {accessfunc = interpolatingAccess 5}
in do cpath <- getConfigPath
isfile <- doesFileExist cpath
unless isfile $ fail $ "Please create the configuration file " ++ cpath
cp <- readfile startCP cpath
return $ forceEither cp
{- | Gets a mirror list. Returns an empty list if no mirror specified. -}
getMirrors :: String -> String -> IO [String]
getMirrors typ package =
do cp <- loadCP
let cp2 = forceEither $ set cp "DEFAULT" "package" package
return $ case get cp2 "DEFAULT" (typ ++ "mirrors") of
Left _ -> []
Right x -> splitRegex (mkRegex "[ \t\n]+") (strip x)
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