git-annex/Command/List.hs
2013-09-19 14:16:55 -04:00

64 lines
1.7 KiB
Haskell

{- git-annex command
-
- Copyright 2013 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.List where
import qualified Data.Set as S
import Common.Annex
import Command
import Remote
import Logs.Trust
import Annex.UUID
def :: [Command]
def = [noCommit $ command "list" paramPaths seek
SectionQuery "show which remotes contain files"]
seek :: [CommandSeek]
seek =
[ withValue getList $ \l -> withNothing $ startHeader l
, withValue getList $ \l -> withFilesInGit $ whenAnnexed $ start l
]
getList :: Annex [(UUID, RemoteName, TrustLevel)]
getList = 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
startHeader :: [(UUID, RemoteName, TrustLevel)] -> CommandStart
startHeader l = do
liftIO $ putStrLn $ header $ map (\(_, n, t) -> (n, t)) l
stop
start :: [(UUID, RemoteName, TrustLevel)] -> FilePath -> (Key, Backend) -> 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 RemoteName = String
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) = "_"