propellor/Property/GitHome.hs

38 lines
1.2 KiB
Haskell

module Property.GitHome where
import System.FilePath
import System.Directory
import Control.Applicative
import Control.Monad
import Property
import Property.User
import Utility.SafeCommand
import Utility.Directory
import Utility.Monad
import Utility.Exception
{- Clones Joey Hess's git home directory, and runs its fixups script. -}
installedFor :: UserName -> Property
installedFor user = check (not <$> hasGitDir user) $
IOProperty ("githome " ++ user) (go =<< homedir user)
where
go Nothing = noChange
go (Just home) = do
let tmpdir = home </> "githome"
ok <- boolSystem "git" [Param "clone", Param url, Param tmpdir]
<&&> (and <$> moveout tmpdir home)
<&&> (catchBoolIO $ removeDirectory tmpdir >> return True)
<&&> boolSystem "su" [Param "-c", Param "cd; rm -rf .aptitude/ .bashrc .profile; mr checkout; bin/fixups", Param user]
return $ if ok then MadeChange else FailedChange
moveout tmpdir home = do
fs <- dirContents tmpdir
forM fs $ \f -> boolSystem "mv" [File f, File home]
url = "git://git.kitenet.net/joey/home"
hasGitDir :: UserName -> IO Bool
hasGitDir user = go =<< homedir user
where
go Nothing = return False
go (Just home) = doesDirectoryExist (home </> ".git")