git-annex/Config/Smudge.hs
Joey Hess eb8e0594bb
use status --ignore-submodules in configureSmudgeFilter
Speed up git-annex upgrade (from v5) and init in a repository that has
submodules. Setting the config does not affect the submodules, so avoid
the work of getting status in them, which may involve using the smudge
filter etc.

Sponsored-By: the NIH-funded NICEMAN (ReproNim TR&D3) project
2022-12-20 16:02:42 -04:00

82 lines
2.7 KiB
Haskell

{- Git smudge filter configuration
-
- Copyright 2011-2022 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE OverloadedStrings #-}
module Config.Smudge where
import Annex.Common
import qualified Annex
import qualified Git
import qualified Git.Command
import Git.Types
import Config
import Utility.Directory.Create
import Annex.Version
import qualified System.FilePath.ByteString as P
configureSmudgeFilter :: Annex ()
configureSmudgeFilter = unlessM (fromRepo Git.repoIsLocalBare) $ do
-- If this is run in a newly cloned repository, git may not have
-- cached file information in the index yet, and so after
-- configuring the clean filter, the next git status would want to
-- run it on every file. That is expensive and can also result in
-- unexpected changes when the file is checked into git or annex
-- counter to the annex.largefiles configuration.
-- Avoid that problem by running git status now.
inRepo $ Git.Command.runQuiet
[ Param "status"
, Param "--porcelain"
, Param "--ignore-submodules"
]
setConfig (ConfigKey "filter.annex.smudge") "git-annex smudge -- %f"
setConfig (ConfigKey "filter.annex.clean") "git-annex smudge --clean -- %f"
whenM (versionSupportsFilterProcess <$> getVersion)
configureSmudgeFilterProcess
lf <- Annex.fromRepo Git.attributesLocal
gf <- Annex.fromRepo Git.attributes
lfs <- readattr lf
gfs <- readattr gf
gittop <- Git.localGitDir <$> gitRepo
liftIO $ unless ("filter=annex" `isInfixOf` (lfs ++ gfs)) $ do
createDirectoryUnder [gittop] (P.takeDirectory lf)
writeFile (fromRawFilePath lf) (lfs ++ "\n" ++ unlines stdattr)
where
readattr = liftIO . catchDefaultIO "" . readFileStrict . fromRawFilePath
configureSmudgeFilterProcess :: Annex ()
configureSmudgeFilterProcess =
setConfig (ConfigKey "filter.annex.process") "git-annex filter-process"
stdattr :: [String]
stdattr =
[ "* filter=annex"
]
-- Note that this removes the local git attributes for filtering,
-- which is what git-annex installed, but it does not change anything
-- that may have been committed to a .gitattributes in the repository.
-- git-annex does not commit that.
deconfigureSmudgeFilter :: Annex ()
deconfigureSmudgeFilter = do
lf <- fromRawFilePath <$> Annex.fromRepo Git.attributesLocal
ls <- liftIO $ catchDefaultIO [] $ lines <$> readFileStrict lf
liftIO $ writeFile lf $ unlines $
filter (\l -> l `notElem` stdattr && not (null l)) ls
unsetConfig (ConfigKey "filter.annex.smudge")
unsetConfig (ConfigKey "filter.annex.clean")
-- Params to pass to git to temporarily avoid using the smudge/clean
-- filters.
bypassSmudgeConfig :: [CommandParam]
bypassSmudgeConfig = map Param
[ "-c", "filter.annex.smudge="
, "-c", "filter.annex.clean="
, "-c", "filter.annex.process="
]