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{-
- Copyright 2015 Egor Tensin <Egor.Tensin@gmail.com>
- This file is licensed under the terms of the MIT License.
- See LICENSE.txt for details.
-}
module Main (main) where
import Control.Monad (when)
import Data.List (union)
import Data.Maybe (fromMaybe)
import System.Directory (createDirectoryIfMissing, getCurrentDirectory)
import System.FilePath (combine)
import Options.Applicative
import qualified Environment
import qualified Utils
data Options = Options
{ optYes :: Bool
, optGlobal :: Bool
} deriving (Eq, Show)
options :: Parser Options
options = Options
<$> optYesDesc
<*> optGlobalDesc
where
optYesDesc = switch $
long "yes" <> short 'y' <>
help "Skip confirmation prompt"
optGlobalDesc = switch $
long "global" <> short 'g' <>
help "Set up for all users"
data Dirs = Dirs
{ pdbsDir :: String
, symbolsDir :: String
} deriving (Eq, Show)
dirPaths :: Dirs -> [String]
dirPaths dirs = [ pdbsDir dirs
, symbolsDir dirs
]
createDirs :: Dirs -> IO ()
createDirs = mapM_ (createDirectoryIfMissing True) . dirPaths
toRemoteDirs :: Dirs -> Dirs
toRemoteDirs localDirs = localDirs
{ symbolsDir = remoteSymbolsDir $ symbolsDir localDirs
}
where
remoteSymbolsDir localDir = "SRV*" ++ localDir ++ "*" ++ remoteSymbolsUrl
remoteSymbolsUrl = "http://msdl.microsoft.com/download/symbols"
getLocalDirs :: IO Dirs
getLocalDirs = do
cwd <- getCurrentDirectory
return Dirs
{ pdbsDir = combine cwd "pdbs"
, symbolsDir = combine cwd "symbols"
}
fixNtSymbolPath :: Options -> IO ()
fixNtSymbolPath options = do
oldValue <- Environment.query profile varName
let oldPaths = Environment.pathSplit $ fromMaybe "" oldValue
localDirs <- getLocalDirs
let remoteDirs = toRemoteDirs localDirs
let newPaths = union oldPaths $ dirPaths remoteDirs
when (length oldPaths /= length newPaths) $ do
let newValue = Environment.pathJoin newPaths
let promptBanner = Utils.engraveBanner profile varName oldValue newValue
confirmed <- prompt promptBanner $ Environment.engrave profile varName newValue
when confirmed $
createDirs localDirs
where
varName = "_NT_SYMBOL_PATH"
forAllUsers = optGlobal options
profile = if forAllUsers
then Environment.AllUsers
else Environment.CurrentUser
skipPrompt = optYes options
prompt = if skipPrompt
then const Utils.withoutPrompt
else Utils.withPrompt
main :: IO ()
main = execParser parser >>= fixNtSymbolPath
where
parser = info (helper <*> options) $
fullDesc <> progDesc "Set up your _NT_SYMBOL_PATH"
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