c8e1e3dada
To prevent any further mistakes like 301aff34c4
This commit was sponsored by Francois Marier on Patreon.
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 = AssociatedFile (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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