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{-# LANGUAGE DeriveDataTypeable #-}
module Propellor.Types.Chroot where
import Propellor.Types
import Propellor.Types.Empty
import Propellor.Types.Info
import qualified Data.Semigroup as Sem
import qualified Data.Map as M
import Data.Monoid
import Prelude
data ChrootInfo = ChrootInfo
{ _chroots :: M.Map FilePath Host
, _chrootCfg :: ChrootCfg
}
deriving (Show, Typeable)
instance IsInfo ChrootInfo where
propagateInfo _ = PropagateInfo False
instance Sem.Semigroup ChrootInfo where
old <> new = ChrootInfo
{ _chroots = M.union (_chroots old) (_chroots new)
, _chrootCfg = _chrootCfg old <> _chrootCfg new
}
instance Monoid ChrootInfo where
mempty = ChrootInfo mempty mempty
mappend = (Sem.<>)
instance Empty ChrootInfo where
isEmpty i = and
[ isEmpty (_chroots i)
, isEmpty (_chrootCfg i)
]
data ChrootCfg
= NoChrootCfg
| SystemdNspawnCfg [(String, Bool)]
deriving (Show, Eq)
instance Sem.Semigroup ChrootCfg where
v <> NoChrootCfg = v
NoChrootCfg <> v = v
SystemdNspawnCfg l1 <> SystemdNspawnCfg l2 =
SystemdNspawnCfg (l1 <> l2)
instance Monoid ChrootCfg where
mempty = NoChrootCfg
mappend = (Sem.<>)
instance Empty ChrootCfg where
isEmpty c= c == NoChrootCfg
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