60 lines
1.7 KiB
Haskell
60 lines
1.7 KiB
Haskell
{- git-annex extra config files
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-
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- Copyright 2012 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Config.Files where
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import Common
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import Utility.Tmp
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import Utility.FreeDesktop
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{- ~/.config/git-annex/file -}
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userConfigFile :: FilePath -> IO FilePath
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userConfigFile file = do
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dir <- userConfigDir
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return $ dir </> "git-annex" </> file
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autoStartFile :: IO FilePath
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autoStartFile = userConfigFile "autostart"
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{- Returns anything listed in the autostart file (which may not exist). -}
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readAutoStartFile :: IO [FilePath]
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readAutoStartFile = do
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f <- autoStartFile
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nub . map dropTrailingPathSeparator . lines
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<$> catchDefaultIO "" (readFile f)
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modifyAutoStartFile :: ([FilePath] -> [FilePath]) -> IO ()
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modifyAutoStartFile func = do
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dirs <- readAutoStartFile
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let dirs' = nubBy equalFilePath $ func dirs
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when (dirs' /= dirs) $ do
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f <- autoStartFile
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createDirectoryIfMissing True (parentDir f)
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viaTmp writeFile f $ unlines $ dirs'
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{- Adds a directory to the autostart file. -}
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addAutoStartFile :: FilePath -> IO ()
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addAutoStartFile path = modifyAutoStartFile $ (:) path
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{- Removes a directory from the autostart file. -}
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removeAutoStartFile :: FilePath -> IO ()
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removeAutoStartFile path = modifyAutoStartFile $
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filter (not . equalFilePath path)
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{- The path to git-annex is written here; which is useful when cabal
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- has installed it to some aweful non-PATH location. -}
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programFile :: IO FilePath
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programFile = userConfigFile "program"
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{- Returns a command to run for git-annex. -}
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readProgramFile :: IO FilePath
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readProgramFile = do
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programfile <- programFile
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catchDefaultIO cmd $
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fromMaybe cmd . headMaybe . lines <$> readFile programfile
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where
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cmd = "git-annex"
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