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|
{- git-annex command
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Vicfg where
import qualified Data.Map as M
import qualified Data.Set as S
import System.Environment (getEnv)
import Data.Tuple (swap)
import Common.Annex
import Command
import Annex.Perms
import Types.TrustLevel
import Types.Group
import Logs.Trust
import Logs.Group
import Remote
def :: [Command]
def = [command "vicfg" paramNothing seek
"edit git-annex's configuration"]
seek :: [CommandSeek]
seek = [withNothing start]
start :: CommandStart
start = do
f <- fromRepo gitAnnexTmpCfgFile
createAnnexDirectory (parentDir f)
liftIO . writeFile f =<< genCfg <$> getCfg
vicfg f
stop
vicfg :: FilePath -> Annex ()
vicfg f = do
vi <- liftIO $ catchDefaultIO "vi" $ getEnv "EDITOR"
-- Allow EDITOR to be processed by the shell, so it can contain options.
unlessM (liftIO $ boolSystem "sh" [Param "-c", Param $ unwords [vi, f]]) $
error $ vi ++ " exited nonzero; aborting"
r <- parseCfg <$> liftIO (readFileStrict f)
liftIO $ nukeFile f
case r of
Left s -> do
liftIO $ writeFile f s
vicfg f
Right c -> setCfg c
data Cfg = Cfg
{ cfgTrustMap :: TrustMap
, cfgGroupMap :: M.Map UUID (S.Set Group)
, cfgDescriptions :: M.Map UUID String
}
getCfg :: Annex Cfg
getCfg = Cfg
<$> trustMapRaw -- without local trust overrides
<*> (groupsByUUID <$> groupMap)
<*> uuidDescriptions
setCfg :: Cfg -> Annex ()
setCfg = error "TODO setCfg"
genCfg :: Cfg -> String
genCfg cfg = unlines $ concat
[intro, trustintro, trust, defaulttrust, groupsintro, groups, defaultgroups]
where
intro =
[ com "git-annex configuration"
, com ""
, com "Changes saved to this file will be recorded in the git-annex branch."
, com ""
, com "Lines in this file have the format:"
, com " setting repo = value"
]
trustintro =
[ ""
, com "Repository trust configuration"
, com "(Valid trust levels: " ++
unwords (map showTrustLevel [Trusted .. DeadTrusted]) ++
")"
]
trust = map (\(t, u) -> line "trust" u $ showTrustLevel t) $
sort $ map swap $ M.toList $ cfgTrustMap cfg
defaulttrust = map (\u -> pcom $ line "trust" u $ showTrustLevel SemiTrusted) $
missing cfgTrustMap
groupsintro =
[ ""
, com "Repository groups"
, com "(Separate group names with spaces)"
]
groups = map (\(s, u) -> line "group" u $ unwords $ S.toList s) $
sort $ map swap $ M.toList $ cfgGroupMap cfg
defaultgroups = map (\u -> pcom $ line "group" u "") $
missing cfgGroupMap
line setting u value = unwords
[ setting
, showu u
, "="
, value
]
com s = "# " ++ s
pcom s = "#" ++ s
showu u = fromMaybe (fromUUID u) $
M.lookup u (cfgDescriptions cfg)
missing field = S.toList $ M.keysSet (cfgDescriptions cfg) `S.difference` M.keysSet (field cfg)
{- If there's a parse error, returns a new version of the file,
- with the problem lines noted. -}
parseCfg :: String -> Either String Cfg
parseCfg = undefined
|
