47 lines
1.2 KiB
Haskell
47 lines
1.2 KiB
Haskell
{- git-annex core functions -}
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module Core where
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import System.IO
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import System.Directory
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import Control.Monad.State (liftIO)
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import Types
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import Locations
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import UUID
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import qualified GitRepo as Git
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import qualified Annex
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{- Sets up a git repo for git-annex. May be called repeatedly. -}
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gitSetup :: Annex ()
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gitSetup = do
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g <- Annex.gitRepo
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liftIO $ setupattributes g
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prepUUID
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where
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-- configure git to use union merge driver on state files
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setupattributes repo = do
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exists <- doesFileExist attributes
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if (not exists)
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then do
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writeFile attributes $ attrLine ++ "\n"
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commit
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else do
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content <- readFile attributes
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if (all (/= attrLine) (lines content))
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then do
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appendFile attributes $ attrLine ++ "\n"
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commit
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else return ()
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where
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attrLine = stateLoc ++ "/*.log merge=union"
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attributes = Git.attributes repo
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commit = do
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Git.run repo ["add", attributes]
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Git.run repo ["commit", "-m", "git-annex setup",
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attributes]
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{- Checks if a given key is currently present in the annexLocation -}
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inAnnex :: Backend -> Key -> Annex Bool
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inAnnex backend key = do
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g <- Annex.gitRepo
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liftIO $ doesFileExist $ annexLocation g backend key
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