54 lines
1.6 KiB
Haskell
54 lines
1.6 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010 Joey Hess <joey@kitenet.net>
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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 Command.Whereis where
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import qualified Data.Map as M
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import Common.Annex
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import Command
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import Remote
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import Logs.Trust
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def :: [Command]
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def = [command "whereis" paramPaths seek
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"lists repositories that have file content"]
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seek :: [CommandSeek]
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seek = [withValue (remoteMap id) $ \m ->
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withFilesInGit $ whenAnnexed $ start m]
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start :: M.Map UUID Remote -> FilePath -> (Key, Backend) -> CommandStart
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start remotemap file (key, _) = do
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showStart "whereis" file
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next $ perform remotemap key
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perform :: M.Map UUID Remote -> Key -> CommandPerform
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perform remotemap key = do
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locations <- keyLocations key
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(untrustedlocations, safelocations) <- trustPartition UnTrusted locations
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let num = length safelocations
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showNote $ show num ++ " " ++ copiesplural num
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pp <- prettyPrintUUIDs "whereis" safelocations
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unless (null safelocations) $ showLongNote pp
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pp' <- prettyPrintUUIDs "untrusted" untrustedlocations
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unless (null untrustedlocations) $ showLongNote $ untrustedheader ++ pp'
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forM_ (catMaybes $ map (`M.lookup` remotemap) locations) $
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performRemote key
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if null safelocations then stop else next $ return True
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where
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copiesplural 1 = "copy"
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copiesplural _ = "copies"
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untrustedheader = "The following untrusted locations may also have copies:\n"
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performRemote :: Key -> Remote -> Annex ()
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performRemote key remote = maybe noop go $ whereisKey remote
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where
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go a = do
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ls <- a key
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unless (null ls) $ showLongNote $ unlines $
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map (\l -> name remote ++ ": " ++ l) ls
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