{- git-annex main program dispatch
 -
 - Copyright 2010-2024 Joey Hess <id@joeyh.name>
 -
 - Licensed under the GNU AGPL version 3 or higher.
 -}

{-# LANGUAGE CPP #-}

import System.Environment (getArgs, getProgName)
import System.FilePath
import Network.Socket (withSocketsDo)

import qualified CmdLine.GitAnnex
import qualified CmdLine.GitAnnexShell
import qualified CmdLine.GitRemoteAnnex
import qualified CmdLine.GitRemoteTorAnnex
import qualified Test
import qualified Benchmark
import Messages
import Utility.FileSystemEncoding

#ifdef mingw32_HOST_OS
import Utility.UserInfo
import Utility.Env.Set
#endif

main :: IO ()
main = sanitizeTopLevelExceptionMessages $ withSocketsDo $ do
	useFileSystemEncoding
	ps <- getArgs
#ifdef mingw32_HOST_OS
	winEnv
#endif
	run ps =<< getProgName
  where
	run ps n = case takeFileName n of
		"git-annex-shell" -> CmdLine.GitAnnexShell.run ps
		"git-remote-annex" -> CmdLine.GitRemoteAnnex.run ps
		"git-remote-tor-annex" -> CmdLine.GitRemoteTorAnnex.run ps
		_  -> CmdLine.GitAnnex.run Test.optParser Test.runner Benchmark.mkGenerator ps

#ifdef mingw32_HOST_OS
{- On Windows, if HOME is not set, probe it and set it.
 - This is a workaround for some Cygwin commands needing HOME to be set.
 -
 - If TZ is set, unset it.
 - TZ being set can interfere with workarounds for Windows timezone
 - horribleness, and prevents getCurrentTimeZone from seeing the system
 - time zone.
 -}
winEnv :: IO ()
winEnv = do
	home <- myHomeDir
	setEnv "HOME" home False
	setEnv "CYGWIN" "nodosfilewarning" True
	unsetEnv "TZ"
#endif