From d80c547a7d1261f158148ca85e627cc2ecb005f2 Mon Sep 17 00:00:00 2001 From: Joey Hess Date: Tue, 21 Jan 2014 13:22:42 -0400 Subject: Check git version at run time. --- Git/Fsck.hs | 19 +++++++++---------- 1 file changed, 9 insertions(+), 10 deletions(-) (limited to 'Git') diff --git a/Git/Fsck.hs b/Git/Fsck.hs index a49978d..23d3a35 100644 --- a/Git/Fsck.hs +++ b/Git/Fsck.hs @@ -20,7 +20,7 @@ import Git import Git.Command import Git.Sha import Utility.Batch -import qualified Git.BuildVersion +import qualified Git.Version import qualified Data.Set as S @@ -40,12 +40,14 @@ data FsckResults = FsckFoundMissing MissingObjects | FsckFailed -} findBroken :: Bool -> Repo -> IO FsckResults findBroken batchmode r = do - let (command, params) = ("git", fsckParams r) + supportsNoDangling <- (>= Git.Version.normalize "1.7.10") + <$> Git.Version.installed + let (command, params) = ("git", fsckParams supportsNoDangling r) (command', params') <- if batchmode then toBatchCommand (command, params) else return (command, params) (output, fsckok) <- processTranscript command' (toCommand params') Nothing - let objs = findShas output + let objs = findShas supportsNoDangling output badobjs <- findMissing objs r if S.null badobjs && not fsckok then return FsckFailed @@ -75,21 +77,18 @@ isMissing s r = either (const True) (const False) <$> tryIO dump , Param (show s) ] r -findShas :: String -> [Sha] -findShas = catMaybes . map extractSha . concat . map words . filter wanted . lines +findShas :: Bool -> String -> [Sha] +findShas supportsNoDangling = catMaybes . map extractSha . concat . map words . filter wanted . lines where wanted l | supportsNoDangling = True | otherwise = not ("dangling " `isPrefixOf` l) -fsckParams :: Repo -> [CommandParam] -fsckParams = gitCommandLine $ map Param $ catMaybes +fsckParams :: Bool -> Repo -> [CommandParam] +fsckParams supportsNoDangling = gitCommandLine $ map Param $ catMaybes [ Just "fsck" , if supportsNoDangling then Just "--no-dangling" else Nothing , Just "--no-reflogs" ] - -supportsNoDangling :: Bool -supportsNoDangling = not $ Git.BuildVersion.older "1.7.10" -- cgit v1.2.3