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|
{- git status interface
-
- Copyright 2015-2018 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Git.Status where
import Common
import Git
import Git.Command
import Git.FilePath
data Status
= Modified TopFilePath
| Deleted TopFilePath
| Added TopFilePath
| Renamed TopFilePath TopFilePath
| TypeChanged TopFilePath
| Untracked TopFilePath
data StagedUnstaged a = StagedUnstaged
{ staged :: Maybe a
, unstaged :: Maybe a
}
statusChar :: Status -> Char
statusChar (Modified _) = 'M'
statusChar (Deleted _) = 'D'
statusChar (Added _) = 'A'
statusChar (Renamed _ _) = 'R'
statusChar (TypeChanged _) = 'T'
statusChar (Untracked _) = '?'
statusFile :: Status -> TopFilePath
statusFile (Modified f) = f
statusFile (Deleted f) = f
statusFile (Added f) = f
statusFile (Renamed _oldf newf) = newf
statusFile (TypeChanged f) = f
statusFile (Untracked f) = f
parseStatusZ :: [String] -> [StagedUnstaged Status]
parseStatusZ = go []
where
go c [] = reverse c
go c (x:xs) = case x of
(sstaged:sunstaged:' ':f) ->
case (cparse sstaged f xs, cparse sunstaged f xs) of
((vstaged, xs1), (vunstaged, xs2)) ->
let v = StagedUnstaged
{ staged = vstaged
, unstaged = vunstaged
}
xs' = fromMaybe xs (xs1 <|> xs2)
in go (v : c) xs'
_ -> go c xs
cparse 'M' f _ = (Just (Modified (asTopFilePath (toRawFilePath f))), Nothing)
cparse 'A' f _ = (Just (Added (asTopFilePath (toRawFilePath f))), Nothing)
cparse 'D' f _ = (Just (Deleted (asTopFilePath (toRawFilePath f))), Nothing)
cparse 'T' f _ = (Just (TypeChanged (asTopFilePath (toRawFilePath f))), Nothing)
cparse '?' f _ = (Just (Untracked (asTopFilePath (toRawFilePath f))), Nothing)
cparse 'R' f (oldf:xs) =
(Just (Renamed (asTopFilePath (toRawFilePath oldf)) (asTopFilePath (toRawFilePath f))), Just xs)
cparse _ _ _ = (Nothing, Nothing)
getStatus :: [CommandParam] -> [FilePath] -> Repo -> IO ([StagedUnstaged Status], IO Bool)
getStatus ps fs r = do
(ls, cleanup) <- pipeNullSplit ps' r
return (parseStatusZ (map decodeBL ls), cleanup)
where
ps' = concat
[ [Param "status"]
, ps
, [ Param "-uall" , Param "-z"]
, map File fs
]
|
