4e38c4f57f
Union with max so that DeadTrusted wins over UnTrusted. This commit was sponsored by Trenton Cronholm on Patreon.
83 lines
2.4 KiB
Haskell
83 lines
2.4 KiB
Haskell
{- git-annex trust log
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-
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- Copyright 2010-2012 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Logs.Trust (
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module X,
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trustLog,
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TrustLevel(..),
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trustGet,
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trustMap,
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trustPartition,
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trustExclude,
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lookupTrust,
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trustMapLoad,
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) where
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import qualified Data.Map as M
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import Data.Default
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import Annex.Common
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import Types.TrustLevel
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import qualified Annex
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import Logs
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import Remote.List
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import qualified Types.Remote
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import Logs.Trust.Basic as X
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{- Returns a list of UUIDs that the trustLog indicates have the
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- specified trust level.
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- Note that the list can be incomplete for SemiTrusted, since that's
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- the default. -}
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trustGet :: TrustLevel -> Annex [UUID]
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trustGet level = M.keys . M.filter (== level) <$> trustMap
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{- Returns the TrustLevel of a given repo UUID. -}
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lookupTrust :: UUID -> Annex TrustLevel
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lookupTrust u = (fromMaybe def . M.lookup u) <$> trustMap
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{- Partitions a list of UUIDs to those matching a TrustLevel and not. -}
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trustPartition :: TrustLevel -> [UUID] -> Annex ([UUID], [UUID])
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trustPartition level ls
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| level == SemiTrusted = do
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t <- trustGet Trusted
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u <- trustGet UnTrusted
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d <- trustGet DeadTrusted
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let uncandidates = t ++ u ++ d
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return $ partition (`notElem` uncandidates) ls
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| otherwise = do
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candidates <- trustGet level
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return $ partition (`elem` candidates) ls
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{- Filters UUIDs to those not matching a TrustLevel. -}
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trustExclude :: TrustLevel -> [UUID] -> Annex [UUID]
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trustExclude level ls = snd <$> trustPartition level ls
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{- trustLog in a map, overridden with any values from forcetrust or
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- the git config. The map is cached for speed. -}
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trustMap :: Annex TrustMap
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trustMap = maybe trustMapLoad return =<< Annex.getState Annex.trustmap
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{- Loads the map, updating the cache, -}
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trustMapLoad :: Annex TrustMap
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trustMapLoad = do
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overrides <- Annex.getState Annex.forcetrust
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l <- remoteList
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-- Exports are never trusted, since they are not key/value stores.
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exports <- filterM Types.Remote.isExportSupported l
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let exportoverrides = M.fromList $
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map (\r -> (Types.Remote.uuid r, UnTrusted)) exports
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logged <- trustMapRaw
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let configured = M.fromList $ mapMaybe configuredtrust l
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let m = M.unionWith max exportoverrides $
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M.union overrides $
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M.union configured logged
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Annex.changeState $ \s -> s { Annex.trustmap = Just m }
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return m
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where
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configuredtrust r = (\l -> Just (Types.Remote.uuid r, l))
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=<< readTrustLevel
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=<< remoteAnnexTrustLevel (Types.Remote.gitconfig r)
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