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|
{- git-annex repository initialization
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Init (
ensureInitialized,
initialize,
uninitialize
) where
import Control.Monad.State (liftIO)
import Control.Monad (unless)
import System.Directory
import qualified Annex
import qualified Git
import qualified Branch
import Version
import Messages
import Types
import Utility
import UUID
initialize :: Annex ()
initialize = do
prepUUID
Branch.create
setVersion
g <- Annex.gitRepo
unless (Git.repoIsLocalBare g) $
gitPreCommitHookWrite g
uninitialize :: Annex ()
uninitialize = do
g <- Annex.gitRepo
gitPreCommitHookUnWrite g
{- Will automatically initialize if there is already a git-annex
branch from somewhere. Otherwise, require a manual init
to avoid git-annex accidentially being run in git
repos that did not intend to use it. -}
ensureInitialized :: Annex ()
ensureInitialized = do
v <- getVersion
case v of
Just version -> checkVersion version
Nothing -> do
annexed <- Branch.hasSomeBranch
if annexed
then initialize
else error "First run: git-annex init"
{- set up a git pre-commit hook, if one is not already present -}
gitPreCommitHookWrite :: Git.Repo -> Annex ()
gitPreCommitHookWrite repo = do
exists <- liftIO $ doesFileExist hook
if exists
then warning $ "pre-commit hook (" ++ hook ++ ") already exists, not configuring"
else liftIO $ do
viaTmp writeFile hook preCommitScript
p <- getPermissions hook
setPermissions hook $ p {executable = True}
where
hook = preCommitHook repo
gitPreCommitHookUnWrite :: Git.Repo -> Annex ()
gitPreCommitHookUnWrite repo = do
let hook = preCommitHook repo
whenM (liftIO $ doesFileExist hook) $ do
c <- liftIO $ readFile hook
if c == preCommitScript
then liftIO $ removeFile hook
else warning $ "pre-commit hook (" ++ hook ++
") contents modified; not deleting." ++
" Edit it to remove call to git annex."
preCommitHook :: Git.Repo -> FilePath
preCommitHook repo =
Git.workTree repo ++ "/" ++ Git.gitDir repo ++ "/hooks/pre-commit"
preCommitScript :: String
preCommitScript =
"#!/bin/sh\n" ++
"# automatically configured by git-annex\n" ++
"git annex pre-commit .\n"
|
