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|
{- git-annex command seeking
-
- These functions find appropriate files or other things based on
- the values a user passes to a command, and prepare actions operating
- on them.
-
- Copyright 2010-2015 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module CmdLine.Seek where
import Common.Annex
import Types.Command
import Types.Key
import Types.FileMatcher
import qualified Annex
import qualified Git
import qualified Git.Command
import qualified Git.LsFiles as LsFiles
import qualified Git.LsTree as LsTree
import Git.FilePath
import qualified Limit
import CmdLine.GitAnnex.Options
import CmdLine.Action
import Logs.Location
import Logs.Unused
import Annex.CatFile
import Annex.Content
withFilesInGit :: (FilePath -> CommandStart) -> CmdParams -> CommandSeek
withFilesInGit a params = seekActions $ prepFiltered a $
seekHelper LsFiles.inRepo params
withFilesInGitNonRecursive :: String -> (FilePath -> CommandStart) -> CmdParams -> CommandSeek
withFilesInGitNonRecursive needforce a params = ifM (Annex.getState Annex.force)
( withFilesInGit a params
, if null params
then error needforce
else seekActions $ prepFiltered a (getfiles [] params)
)
where
getfiles c [] = return (reverse c)
getfiles c (p:ps) = do
(fs, cleanup) <- inRepo $ LsFiles.inRepo [p]
case fs of
[f] -> do
void $ liftIO $ cleanup
getfiles (f:c) ps
[] -> do
void $ liftIO $ cleanup
getfiles c ps
_ -> error needforce
withFilesNotInGit :: Bool -> (FilePath -> CommandStart) -> CmdParams -> CommandSeek
withFilesNotInGit skipdotfiles a params
| skipdotfiles = do
{- dotfiles are not acted on unless explicitly listed -}
files <- filter (not . dotfile) <$>
seekunless (null ps && not (null params)) ps
dotfiles <- seekunless (null dotps) dotps
go (files++dotfiles)
| otherwise = go =<< seekunless False params
where
(dotps, ps) = partition dotfile params
seekunless True _ = return []
seekunless _ l = do
force <- Annex.getState Annex.force
g <- gitRepo
liftIO $ Git.Command.leaveZombie <$> LsFiles.notInRepo force l g
go l = seekActions $ prepFiltered a $
return $ concat $ segmentPaths params l
withFilesInRefs :: (FilePath -> Key -> CommandStart) -> CmdParams -> CommandSeek
withFilesInRefs a = mapM_ go
where
go r = do
matcher <- Limit.getMatcher
l <- inRepo $ LsTree.lsTree (Git.Ref r)
forM_ l $ \i -> do
let f = getTopFilePath $ LsTree.file i
v <- catKey (Git.Ref $ LsTree.sha i)
case v of
Nothing -> noop
Just k -> whenM (matcher $ MatchingKey k) $
commandAction $ a f k
withPathContents :: ((FilePath, FilePath) -> CommandStart) -> CmdParams -> CommandSeek
withPathContents a params = do
matcher <- Limit.getMatcher
seekActions $ map a <$> (filterM (checkmatch matcher) =<< ps)
where
ps = concat <$> liftIO (mapM get params)
get p = ifM (isDirectory <$> getFileStatus p)
( map (\f -> (f, makeRelative (parentDir p) f))
<$> dirContentsRecursiveSkipping (".git" `isSuffixOf`) True p
, return [(p, takeFileName p)]
)
checkmatch matcher (f, relf) = matcher $ MatchingFile $ FileInfo
{ currFile = f
, matchFile = relf
}
withWords :: ([String] -> CommandStart) -> CmdParams -> CommandSeek
withWords a params = seekActions $ return [a params]
withStrings :: (String -> CommandStart) -> CmdParams -> CommandSeek
withStrings a params = seekActions $ return $ map a params
withPairs :: ((String, String) -> CommandStart) -> CmdParams -> CommandSeek
withPairs a params = seekActions $ return $ map a $ pairs [] params
where
pairs c [] = reverse c
pairs c (x:y:xs) = pairs ((x,y):c) xs
pairs _ _ = error "expected pairs"
withFilesToBeCommitted :: (FilePath -> CommandStart) -> CmdParams -> CommandSeek
withFilesToBeCommitted a params = seekActions $ prepFiltered a $
seekHelper LsFiles.stagedNotDeleted params
withFilesUnlocked :: (FilePath -> CommandStart) -> CmdParams -> CommandSeek
withFilesUnlocked = withFilesUnlocked' LsFiles.typeChanged
withFilesUnlockedToBeCommitted :: (FilePath -> CommandStart) -> CmdParams -> CommandSeek
withFilesUnlockedToBeCommitted = withFilesUnlocked' LsFiles.typeChangedStaged
{- Unlocked files before v6 have changed type from a symlink to a regular file.
-
- Furthermore, unlocked files used to be a git-annex symlink,
- not some other sort of symlink.
-}
withFilesUnlocked' :: ([FilePath] -> Git.Repo -> IO ([FilePath], IO Bool)) -> (FilePath -> CommandStart) -> CmdParams -> CommandSeek
withFilesUnlocked' typechanged a params = seekActions $
prepFiltered a unlockedfiles
where
unlockedfiles = filterM isUnlocked =<< seekHelper typechanged params
isUnlocked :: FilePath -> Annex Bool
isUnlocked f = liftIO (notSymlink f) <&&>
(isJust <$> catKeyFile f <||> isJust <$> catKeyFileHEAD f)
{- Finds files that may be modified. -}
withFilesMaybeModified :: (FilePath -> CommandStart) -> CmdParams -> CommandSeek
withFilesMaybeModified a params = seekActions $
prepFiltered a $ seekHelper LsFiles.modified params
withKeys :: (Key -> CommandStart) -> CmdParams -> CommandSeek
withKeys a params = seekActions $ return $ map (a . parse) params
where
parse p = fromMaybe (error "bad key") $ file2key p
withNothing :: CommandStart -> CmdParams -> CommandSeek
withNothing a [] = seekActions $ return [a]
withNothing _ _ = error "This command takes no parameters."
{- Handles the --all, --unused, --key, and --incomplete options,
- which specify particular keys to run an action on.
-
- In a bare repo, --all is the default.
-
- Otherwise falls back to a regular CommandSeek action on
- whatever params were passed. -}
withKeyOptions :: Maybe KeyOptions -> Bool -> (Key -> CommandStart) -> (CmdParams -> CommandSeek) -> CmdParams -> CommandSeek
withKeyOptions ko auto keyaction = withKeyOptions' ko auto $ \getkeys -> do
matcher <- Limit.getMatcher
seekActions $ map (process matcher) <$> getkeys
where
process matcher k = ifM (matcher $ MatchingKey k)
( keyaction k
, return Nothing
)
withKeyOptions' :: Maybe KeyOptions -> Bool -> (Annex [Key] -> Annex ()) -> (CmdParams -> CommandSeek) -> CmdParams -> CommandSeek
withKeyOptions' ko auto keyaction fallbackaction params = do
bare <- fromRepo Git.repoIsLocalBare
when (auto && bare) $
error "Cannot use --auto in a bare repository"
case (null params, ko) of
(True, Nothing)
| bare -> go auto loggedKeys
| otherwise -> fallbackaction params
(False, Nothing) -> fallbackaction params
(True, Just WantAllKeys) -> go auto loggedKeys
(True, Just WantUnusedKeys) -> go auto unusedKeys'
(True, Just (WantSpecificKey k)) -> go auto $ return [k]
(True, Just WantIncompleteKeys) -> go auto incompletekeys
(False, Just _) -> error "Can only specify one of file names, --all, --unused, --key, or --incomplete"
where
go True _ = error "Cannot use --auto with --all or --unused or --key or --incomplete"
go False getkeys = keyaction getkeys
incompletekeys = staleKeysPrune gitAnnexTmpObjectDir True
prepFiltered :: (FilePath -> CommandStart) -> Annex [FilePath] -> Annex [CommandStart]
prepFiltered a fs = do
matcher <- Limit.getMatcher
map (process matcher) <$> fs
where
process matcher f = ifM (matcher $ MatchingFile $ FileInfo f f)
( a f , return Nothing )
seekActions :: Annex [CommandStart] -> Annex ()
seekActions gen = do
as <- gen
mapM_ commandAction as
seekHelper :: ([FilePath] -> Git.Repo -> IO ([FilePath], IO Bool)) -> [FilePath] -> Annex [FilePath]
seekHelper a params = do
ll <- inRepo $ \g -> concat <$> forM (segmentXargsOrdered params)
(runSegmentPaths (\fs -> Git.Command.leaveZombie <$> a fs g))
forM_ (map fst $ filter (null . snd) $ zip params ll) $ \p ->
unlessM (isJust <$> liftIO (catchMaybeIO $ getSymbolicLinkStatus p)) $ do
toplevelWarning False (p ++ " not found")
Annex.incError
return $ concat ll
notSymlink :: FilePath -> IO Bool
notSymlink f = liftIO $ not . isSymbolicLink <$> getSymbolicLinkStatus f
|
