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Cabal Dir Environment variable added #1126

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Cabal Dir Environment variable added #1126

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0745a3a
Added the ability to override the default cabal dir location by addin…
kwrooijen Nov 20, 2012
2f3ad2d
Replaced System.Posix.Env with System.Environment for defaultCabalDir
kwrooijen Nov 21, 2012
35dfaeb
Removed unnecessary type declaration.
kwrooijen Nov 21, 2012
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12 changes: 7 additions & 5 deletions cabal-install/Distribution/Client/Config.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -100,9 +100,9 @@ import Network.URI
import System.FilePath
( (<.>), (</>), takeDirectory )
import System.Environment
( getEnvironment )
( getEnvironment, getEnv )
import System.IO.Error
( isDoesNotExistError )
( isDoesNotExistError, try )
import Distribution.Compat.Exception
( catchIO )

Expand Down Expand Up @@ -215,10 +215,12 @@ initialSavedConfig = do
}
}

--TODO: misleading, there's no way to override this default
-- either make it possible or rename to simply getCabalDir.
defaultCabalDir :: IO FilePath
defaultCabalDir = getAppUserDataDirectory "cabal"
defaultCabalDir = do
env <- try $ getEnv "CABAL_HOME"
case env of
Left _ -> getAppUserDataDirectory "cabal"
Right a -> return a

defaultConfigFile :: IO FilePath
defaultConfigFile = do
Expand Down