git-annex/git-union-merge.hs
2011-06-21 14:09:06 -04:00

30 lines
590 B
Haskell

{- git-union-merge program
-
- Copyright 2011 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
import System.Environment
import GitUnionMerge
import qualified GitRepo as Git
header :: String
header = "Usage: git-union-merge ref ref newref"
usage :: IO a
usage = error $ "bad parameters\n\n" ++ header
parseArgs :: IO [String]
parseArgs = do
args <- getArgs
if (length args /= 3)
then usage
else return args
main :: IO ()
main = do
[aref, bref, newref] <- parseArgs
g <- Git.configRead =<< Git.repoFromCwd
unionMerge g aref bref newref