a108235565
Avoid threads emitting json at the same time and scrambling, which was still possible even with the buffering, just less likely. Converted json IO actions to JSONChunk data too.
110 lines
3.2 KiB
Haskell
110 lines
3.2 KiB
Haskell
{- git-annex command
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-
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- Copyright 2010-2016 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 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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import Remote.Web (getWebUrls)
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import Annex.UUID
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import qualified Data.Map as M
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cmd :: Command
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cmd = noCommit $ withGlobalOptions (jsonOption : annexedMatchingOptions) $
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command "whereis" SectionQuery
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"lists repositories that have file content"
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paramPaths (seek <$$> optParser)
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data WhereisOptions = WhereisOptions
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{ whereisFiles :: CmdParams
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, keyOptions :: Maybe KeyOptions
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, batchOption :: BatchMode
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}
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optParser :: CmdParamsDesc -> Parser WhereisOptions
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optParser desc = WhereisOptions
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<$> cmdParams desc
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<*> optional parseKeyOptions
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<*> parseBatchOption
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seek :: WhereisOptions -> CommandSeek
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seek o = do
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m <- remoteMap id
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let go = whenAnnexed $ start m
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case batchOption o of
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Batch -> batchFiles go
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NoBatch ->
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withKeyOptions (keyOptions o) False
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(startKeys m)
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(withFilesInGit go)
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(whereisFiles o)
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start :: M.Map UUID Remote -> FilePath -> Key -> CommandStart
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start remotemap file key = startKeys remotemap key (mkActionItem afile)
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where
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afile = Just file
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startKeys :: M.Map UUID Remote -> Key -> ActionItem -> CommandStart
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startKeys remotemap key ai = do
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showStart' "whereis" key ai
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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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urls <- getUUIDUrls key locations remotemap
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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 <- ppwhereis "whereis" safelocations urls
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unless (null safelocations) $ showLongNote pp
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pp' <- ppwhereis "untrusted" untrustedlocations urls
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unless (null untrustedlocations) $ showLongNote $ untrustedheader ++ pp'
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mapM_ (showRemoteUrls remotemap) urls
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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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ppwhereis h ls urls = do
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descm <- uuidDescriptions
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let urlvals = map (\(u, us) -> (u, Just us)) $
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filter (\(u,_) -> u `elem` ls) urls
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prettyPrintUUIDsWith (Just "urls") h descm (const Nothing) urlvals
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getUUIDUrls :: Key -> [UUID] -> M.Map UUID Remote -> Annex [(UUID, [URLString])]
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getUUIDUrls key uuids remotemap = forM uuids $ \uu -> (,)
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<$> pure uu
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<*> maybe (pure []) (getRemoteUrls key) (M.lookup uu remotemap)
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getRemoteUrls :: Key -> Remote -> Annex [URLString]
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getRemoteUrls key remote
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| uuid remote == webUUID = getWebUrls key
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| otherwise = (++)
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<$> askremote
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<*> claimedurls
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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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showRemoteUrls :: M.Map UUID Remote -> (UUID, [URLString]) -> Annex ()
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showRemoteUrls remotemap (uu, us)
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| null us = noop
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| otherwise = case M.lookup uu remotemap of
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Just r -> showLongNote $
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unlines $ map (\u -> name r ++ ": " ++ u) us
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Nothing -> noop
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