git-annex/Command/List.hs
2015-01-21 12:50:09 -04:00

85 lines
2.3 KiB
Haskell

{- git-annex command
-
- Copyright 2013 Joey Hess <id@joeyh.name>
- Copyright 2013 Antoine Beaupré
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.List where
import qualified Data.Set as S
import qualified Data.Map as M
import Data.Function
import Data.Tuple.Utils
import Data.Ord
import Common.Annex
import Command
import Remote
import Logs.Trust
import Logs.UUID
import Annex.UUID
import qualified Annex
import Git.Types (RemoteName)
cmd :: [Command]
cmd = [noCommit $ withOptions [allrepos] $ command "list" paramPaths seek
SectionQuery "show which remotes contain files"]
allrepos :: Option
allrepos = flagOption [] "allrepos" "show all repositories, not only remotes"
seek :: CommandSeek
seek ps = do
list <- getList
printHeader list
withFilesInGit (whenAnnexed $ start list) ps
getList :: Annex [(UUID, RemoteName, TrustLevel)]
getList = ifM (Annex.getFlag $ optionName allrepos)
( nubBy ((==) `on` fst3) <$> ((++) <$> getRemotes <*> getAllUUIDs)
, getRemotes
)
where
getRemotes = do
rs <- remoteList
ts <- mapM (lookupTrust . uuid) rs
hereu <- getUUID
heretrust <- lookupTrust hereu
return $ (hereu, "here", heretrust) : zip3 (map uuid rs) (map name rs) ts
getAllUUIDs = do
rs <- M.toList <$> uuidMap
rs3 <- forM rs $ \(u, n) -> (,,)
<$> pure u
<*> pure n
<*> lookupTrust u
return $ sortBy (comparing snd3) $
filter (\t -> thd3 t /= DeadTrusted) rs3
printHeader :: [(UUID, RemoteName, TrustLevel)] -> Annex ()
printHeader l = liftIO $ putStrLn $ header $ map (\(_, n, t) -> (n, t)) l
start :: [(UUID, RemoteName, TrustLevel)] -> FilePath -> Key -> CommandStart
start l file key = do
ls <- S.fromList <$> keyLocations key
liftIO $ putStrLn $ format (map (\(u, _, t) -> (t, S.member u ls)) l) file
stop
type Present = Bool
header :: [(RemoteName, TrustLevel)] -> String
header remotes = unlines (zipWith formatheader [0..] remotes) ++ pipes (length remotes)
where
formatheader n (remotename, trustlevel) = pipes n ++ remotename ++ trust trustlevel
pipes = flip replicate '|'
trust UnTrusted = " (untrusted)"
trust _ = ""
format :: [(TrustLevel, Present)] -> FilePath -> String
format remotes file = thereMap ++ " " ++ file
where
thereMap = concatMap there remotes
there (UnTrusted, True) = "x"
there (_, True) = "X"
there (_, False) = "_"