74 lines
2.2 KiB
Haskell
74 lines
2.2 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010-2014 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 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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import Logs.Web
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cmd :: [Command]
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cmd = [noCommit $ withOptions (jsonOption : annexedMatchingOptions ++ keyOptions) $
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command "whereis" paramPaths seek SectionQuery
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"lists repositories that have file content"]
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seek :: CommandSeek
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seek ps = do
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m <- remoteMap id
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withKeyOptions
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(startKeys m)
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(withFilesInGit $ whenAnnexed $ start m)
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ps
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start :: M.Map UUID Remote -> FilePath -> Key -> CommandStart
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start remotemap file key = start' remotemap key (Just file)
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startKeys :: M.Map UUID Remote -> Key -> CommandStart
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startKeys remotemap key = start' remotemap key Nothing
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start' :: M.Map UUID Remote -> Key -> AssociatedFile -> CommandStart
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start' remotemap key afile = do
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showStart' "whereis" key afile
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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_ (mapMaybe (`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 = do
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ls <- (++)
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<$> askremote
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<*> claimedurls
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unless (null ls) $ showLongNote $ unlines $
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map (\l -> name remote ++ ": " ++ l) ls
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where
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askremote = maybe (pure []) (flip id key) (whereisKey remote)
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claimedurls = do
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us <- map fst
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. filter (\(_, d) -> d == OtherDownloader)
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. map getDownloader
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<$> getUrls key
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filterM (\u -> (==) <$> pure remote <*> claimingUrl u) us
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