182778d664
When only a dotfile was specified, the list of non-dotfiles was empty, triggering the fallback behavior of finding all files.
110 lines
3.8 KiB
Haskell
110 lines
3.8 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 2010-2011 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 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 qualified Annex
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import qualified Git
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import qualified Git.LsFiles as LsFiles
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import qualified Limit
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import qualified Option
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seekHelper :: ([FilePath] -> Git.Repo -> IO [FilePath]) -> [FilePath] -> Annex [FilePath]
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seekHelper a params = inRepo $ \g -> runPreserveOrder (`a` g) params
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withFilesInGit :: (FilePath -> CommandStart) -> CommandSeek
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withFilesInGit a params = prepFiltered a $ seekHelper LsFiles.inRepo params
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withFilesNotInGit :: (FilePath -> CommandStart) -> CommandSeek
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withFilesNotInGit a params = 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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prepFiltered a $ return $ preserveOrder params (files++dotfiles)
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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 $ (\p -> LsFiles.notInRepo force p g) l
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withWords :: ([String] -> CommandStart) -> CommandSeek
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withWords a params = return [a params]
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withStrings :: (String -> CommandStart) -> CommandSeek
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withStrings a params = return $ map a params
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withPairs :: ((String, String) -> CommandStart) -> CommandSeek
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withPairs a params = 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 :: (String -> CommandStart) -> CommandSeek
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withFilesToBeCommitted a params = prepFiltered a $
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seekHelper LsFiles.stagedNotDeleted params
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withFilesUnlocked :: (FilePath -> CommandStart) -> CommandSeek
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withFilesUnlocked = withFilesUnlocked' LsFiles.typeChanged
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withFilesUnlockedToBeCommitted :: (FilePath -> CommandStart) -> CommandSeek
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withFilesUnlockedToBeCommitted = withFilesUnlocked' LsFiles.typeChangedStaged
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withFilesUnlocked' :: ([FilePath] -> Git.Repo -> IO [FilePath]) -> (FilePath -> CommandStart) -> CommandSeek
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withFilesUnlocked' typechanged a params = do
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-- unlocked files have changed type from a symlink to a regular file
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typechangedfiles <- seekHelper typechanged params
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let unlockedfiles = liftIO $ filterM notSymlink typechangedfiles
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prepFiltered a unlockedfiles
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withKeys :: (Key -> CommandStart) -> CommandSeek
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withKeys a params = return $ map (a . parse) params
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where
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parse p = fromMaybe (error "bad key") $ readKey p
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withValue :: Annex v -> (v -> CommandSeek) -> CommandSeek
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withValue v a params = do
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r <- v
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a r params
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{- Modifies a seek action using the value of a field option, which is fed into
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- a conversion function, and then is passed into the seek action.
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- This ensures that the conversion function only runs once.
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-}
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withField :: Option -> (Maybe String -> Annex a) -> (a -> CommandSeek) -> CommandSeek
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withField option converter = withValue $
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converter =<< Annex.getField (Option.name option)
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withFlag :: Option -> (Bool -> CommandSeek) -> CommandSeek
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withFlag option = withValue $ Annex.getFlag (Option.name option)
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withNothing :: CommandStart -> CommandSeek
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withNothing a [] = return [a]
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withNothing _ _ = error "This command takes no parameters."
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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 (proc matcher) <$> fs
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where
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proc matcher f = do
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ok <- matcher f
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if ok then a f else return Nothing
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notSymlink :: FilePath -> IO Bool
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notSymlink f = liftIO $ not . isSymbolicLink <$> getSymbolicLinkStatus f
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