219 lines
7.8 KiB
Haskell
219 lines
7.8 KiB
Haskell
{- git-annex command seeking
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-
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- These functions find appropriate files or other things based on
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- the values a user passes to a command, and prepare actions operating
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- on them.
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-
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- Copyright 2010-2015 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 CmdLine.Seek where
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import Common.Annex
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import Types.Command
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import Types.Key
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import Types.FileMatcher
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import qualified Annex
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import qualified Git
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import qualified Git.Command
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import qualified Git.LsFiles as LsFiles
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import qualified Git.LsTree as LsTree
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import Git.FilePath
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import qualified Limit
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import CmdLine.GitAnnex.Options
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import CmdLine.Action
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import Logs.Location
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import Logs.Unused
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import Annex.CatFile
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import Annex.Content
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withFilesInGit :: (FilePath -> CommandStart) -> CmdParams -> CommandSeek
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withFilesInGit a params = seekActions $ prepFiltered a $
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seekHelper LsFiles.inRepo params
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withFilesInGitNonRecursive :: String -> (FilePath -> CommandStart) -> CmdParams -> CommandSeek
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withFilesInGitNonRecursive needforce a params = ifM (Annex.getState Annex.force)
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( withFilesInGit a params
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, if null params
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then error needforce
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else seekActions $ prepFiltered a (getfiles [] params)
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)
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where
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getfiles c [] = return (reverse c)
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getfiles c (p:ps) = do
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(fs, cleanup) <- inRepo $ LsFiles.inRepo [p]
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case fs of
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[f] -> do
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void $ liftIO $ cleanup
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getfiles (f:c) ps
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[] -> do
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void $ liftIO $ cleanup
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getfiles c ps
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_ -> error needforce
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withFilesNotInGit :: Bool -> (FilePath -> CommandStart) -> CmdParams -> CommandSeek
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withFilesNotInGit skipdotfiles a params
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| skipdotfiles = do
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{- dotfiles are not acted on unless explicitly listed -}
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files <- filter (not . dotfile) <$>
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seekunless (null ps && not (null params)) ps
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dotfiles <- seekunless (null dotps) dotps
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go (files++dotfiles)
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| otherwise = go =<< seekunless False params
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where
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(dotps, ps) = partition dotfile params
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seekunless True _ = return []
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seekunless _ l = do
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force <- Annex.getState Annex.force
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g <- gitRepo
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liftIO $ Git.Command.leaveZombie <$> LsFiles.notInRepo force l g
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go l = seekActions $ prepFiltered a $
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return $ concat $ segmentPaths params l
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withFilesInRefs :: (FilePath -> Key -> CommandStart) -> CmdParams -> CommandSeek
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withFilesInRefs a = mapM_ go
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where
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go r = do
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matcher <- Limit.getMatcher
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(l, cleanup) <- inRepo $ LsTree.lsTree (Git.Ref r)
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forM_ l $ \i -> do
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let f = getTopFilePath $ LsTree.file i
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v <- catKey (LsTree.sha i)
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case v of
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Nothing -> noop
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Just k -> whenM (matcher $ MatchingKey k) $
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commandAction $ a f k
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liftIO $ void cleanup
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withPathContents :: ((FilePath, FilePath) -> CommandStart) -> CmdParams -> CommandSeek
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withPathContents a params = do
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matcher <- Limit.getMatcher
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seekActions $ map a <$> (filterM (checkmatch matcher) =<< ps)
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where
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ps = concat <$> liftIO (mapM get params)
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get p = ifM (isDirectory <$> getFileStatus p)
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( map (\f -> (f, makeRelative (parentDir p) f))
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<$> dirContentsRecursiveSkipping (".git" `isSuffixOf`) True p
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, return [(p, takeFileName p)]
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)
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checkmatch matcher (f, relf) = matcher $ MatchingFile $ FileInfo
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{ currFile = f
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, matchFile = relf
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}
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withWords :: ([String] -> CommandStart) -> CmdParams -> CommandSeek
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withWords a params = seekActions $ return [a params]
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withStrings :: (String -> CommandStart) -> CmdParams -> CommandSeek
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withStrings a params = seekActions $ return $ map a params
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withPairs :: ((String, String) -> CommandStart) -> CmdParams -> CommandSeek
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withPairs a params = seekActions $ return $ map a $ pairs [] params
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where
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pairs c [] = reverse c
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pairs c (x:y:xs) = pairs ((x,y):c) xs
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pairs _ _ = error "expected pairs"
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withFilesToBeCommitted :: (FilePath -> CommandStart) -> CmdParams -> CommandSeek
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withFilesToBeCommitted a params = seekActions $ prepFiltered a $
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seekHelper LsFiles.stagedNotDeleted params
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withFilesOldUnlocked :: (FilePath -> CommandStart) -> CmdParams -> CommandSeek
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withFilesOldUnlocked = withFilesOldUnlocked' LsFiles.typeChanged
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withFilesOldUnlockedToBeCommitted :: (FilePath -> CommandStart) -> CmdParams -> CommandSeek
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withFilesOldUnlockedToBeCommitted = withFilesOldUnlocked' LsFiles.typeChangedStaged
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{- Unlocked files before v6 have changed type from a symlink to a regular file.
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-
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- Furthermore, unlocked files used to be a git-annex symlink,
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- not some other sort of symlink.
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-}
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withFilesOldUnlocked' :: ([FilePath] -> Git.Repo -> IO ([FilePath], IO Bool)) -> (FilePath -> CommandStart) -> CmdParams -> CommandSeek
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withFilesOldUnlocked' typechanged a params = seekActions $
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prepFiltered a unlockedfiles
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where
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unlockedfiles = filterM isOldUnlocked =<< seekHelper typechanged params
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isOldUnlocked :: FilePath -> Annex Bool
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isOldUnlocked f = liftIO (notSymlink f) <&&>
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(isJust <$> catKeyFile f <||> isJust <$> catKeyFileHEAD f)
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{- Finds files that may be modified. -}
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withFilesMaybeModified :: (FilePath -> CommandStart) -> CmdParams -> CommandSeek
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withFilesMaybeModified a params = seekActions $
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prepFiltered a $ seekHelper LsFiles.modified params
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withKeys :: (Key -> CommandStart) -> CmdParams -> CommandSeek
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withKeys a params = seekActions $ return $ map (a . parse) params
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where
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parse p = fromMaybe (error "bad key") $ file2key p
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withNothing :: CommandStart -> CmdParams -> CommandSeek
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withNothing a [] = seekActions $ return [a]
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withNothing _ _ = error "This command takes no parameters."
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{- Handles the --all, --unused, --key, and --incomplete options,
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- which specify particular keys to run an action on.
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-
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- In a bare repo, --all is the default.
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-
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- Otherwise falls back to a regular CommandSeek action on
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- whatever params were passed. -}
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withKeyOptions :: Maybe KeyOptions -> Bool -> (Key -> CommandStart) -> (CmdParams -> CommandSeek) -> CmdParams -> CommandSeek
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withKeyOptions ko auto keyaction = withKeyOptions' ko auto $ \getkeys -> do
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matcher <- Limit.getMatcher
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seekActions $ map (process matcher) <$> getkeys
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where
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process matcher k = ifM (matcher $ MatchingKey k)
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( keyaction k
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, return Nothing
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)
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withKeyOptions' :: Maybe KeyOptions -> Bool -> (Annex [Key] -> Annex ()) -> (CmdParams -> CommandSeek) -> CmdParams -> CommandSeek
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withKeyOptions' ko auto keyaction fallbackaction params = do
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bare <- fromRepo Git.repoIsLocalBare
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when (auto && bare) $
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error "Cannot use --auto in a bare repository"
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case (null params, ko) of
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(True, Nothing)
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| bare -> go auto loggedKeys
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| otherwise -> fallbackaction params
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(False, Nothing) -> fallbackaction params
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(True, Just WantAllKeys) -> go auto loggedKeys
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(True, Just WantUnusedKeys) -> go auto unusedKeys'
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(True, Just (WantSpecificKey k)) -> go auto $ return [k]
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(True, Just WantIncompleteKeys) -> go auto incompletekeys
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(False, Just _) -> error "Can only specify one of file names, --all, --unused, --key, or --incomplete"
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where
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go True _ = error "Cannot use --auto with --all or --unused or --key or --incomplete"
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go False getkeys = keyaction getkeys
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incompletekeys = staleKeysPrune gitAnnexTmpObjectDir True
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prepFiltered :: (FilePath -> CommandStart) -> Annex [FilePath] -> Annex [CommandStart]
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prepFiltered a fs = do
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matcher <- Limit.getMatcher
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map (process matcher) <$> fs
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where
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process matcher f = ifM (matcher $ MatchingFile $ FileInfo f f)
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( a f , return Nothing )
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seekActions :: Annex [CommandStart] -> Annex ()
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seekActions gen = do
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as <- gen
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mapM_ commandAction as
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seekHelper :: ([FilePath] -> Git.Repo -> IO ([FilePath], IO Bool)) -> [FilePath] -> Annex [FilePath]
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seekHelper a params = do
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ll <- inRepo $ \g -> concat <$> forM (segmentXargsOrdered params)
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(runSegmentPaths (\fs -> Git.Command.leaveZombie <$> a fs g))
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forM_ (map fst $ filter (null . snd) $ zip params ll) $ \p ->
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unlessM (isJust <$> liftIO (catchMaybeIO $ getSymbolicLinkStatus p)) $ do
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toplevelWarning False (p ++ " not found")
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Annex.incError
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return $ concat ll
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notSymlink :: FilePath -> IO Bool
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notSymlink f = liftIO $ not . isSymbolicLink <$> getSymbolicLinkStatus f
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