59 lines
2.1 KiB
Haskell
59 lines
2.1 KiB
Haskell
{- Git smudge filter configuration
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-
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- Copyright 2011-2019 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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{-# LANGUAGE OverloadedStrings #-}
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module Config.Smudge where
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import Annex.Common
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import qualified Annex
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import qualified Git
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import qualified Git.Command
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import Git.Types
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import Config
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configureSmudgeFilter :: Annex ()
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configureSmudgeFilter = unlessM (fromRepo Git.repoIsLocalBare) $ do
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-- If this is run in a newly cloned repository, git may not have
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-- cached file information in the index yet, and so after
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-- configuring the clean filter, the next git status would want to
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-- run it on every file. That is expensive and can also result in
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-- unexpected changes when the file is checked into git or annex
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-- counter to the annex.largefiles configuration.
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-- Avoid that problem by running git status now.
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inRepo $ Git.Command.runQuiet [Param "status", Param "--porcelain"]
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setConfig (ConfigKey "filter.annex.smudge") "git-annex smudge -- %f"
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setConfig (ConfigKey "filter.annex.clean") "git-annex smudge --clean -- %f"
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lf <- Annex.fromRepo Git.attributesLocal
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gf <- Annex.fromRepo Git.attributes
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lfs <- readattr lf
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gfs <- readattr gf
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gittop <- fromRawFilePath . Git.localGitDir <$> gitRepo
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liftIO $ unless ("filter=annex" `isInfixOf` (lfs ++ gfs)) $ do
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createDirectoryUnder gittop (takeDirectory lf)
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writeFile lf (lfs ++ "\n" ++ unlines stdattr)
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where
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readattr = liftIO . catchDefaultIO "" . readFileStrict
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stdattr :: [String]
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stdattr =
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[ "* filter=annex"
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]
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-- Note that this removes the local git attributes for filtering,
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-- which is what git-annex installed, but it does not change anything
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-- that may have been committed to a .gitattributes in the repository.
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-- git-annex does not commit that.
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deconfigureSmudgeFilter :: Annex ()
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deconfigureSmudgeFilter = do
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lf <- Annex.fromRepo Git.attributesLocal
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ls <- liftIO $ catchDefaultIO [] $ lines <$> readFileStrict lf
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liftIO $ writeFile lf $ unlines $
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filter (\l -> l `notElem` stdattr && not (null l)) ls
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unsetConfig (ConfigKey "filter.annex.smudge")
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unsetConfig (ConfigKey "filter.annex.clean")
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