60 lines
1.5 KiB
Haskell
60 lines
1.5 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. -}
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startup :: [Flag] -> Annex ()
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startup flags = do
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mapM (\f -> Annex.flagChange f True) flags
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g <- Annex.gitRepo
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liftIO $ gitAttributes g
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prepUUID
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{- When git-annex is done, it runs this. -}
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shutdown :: Annex ()
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shutdown = do
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g <- Annex.gitRepo
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needcommit <- Annex.flagIsSet NeedCommit
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if (needcommit)
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then liftIO $ Git.run g ["commit", "-m",
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"git-annex log update", gitStateDir g]
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else return ()
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{- configure git to use union merge driver on state files, if it is not
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- already -}
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gitAttributes :: Git.Repo -> IO ()
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gitAttributes 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 :: Key -> Annex Bool
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inAnnex key = do
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g <- Annex.gitRepo
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liftIO $ doesFileExist $ annexLocation g key
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