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|
{- git-annex repository initialization
-
- Copyright 2011 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Init (
ensureInitialized,
initialize,
uninitialize
) where
import Common.Annex
import qualified Git
import qualified Annex.Branch
import Annex.Version
import Logs.UUID
initialize :: Annex ()
initialize = do
prepUUID
Annex.Branch.create
setVersion
gitPreCommitHookWrite
uninitialize :: Annex ()
uninitialize = gitPreCommitHookUnWrite
{- 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 = getVersion >>= maybe needsinit checkVersion
where
needsinit = do
annexed <- Annex.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 :: Annex ()
gitPreCommitHookWrite = unlessBare $ do
hook <- preCommitHook
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}
gitPreCommitHookUnWrite :: Annex ()
gitPreCommitHookUnWrite = unlessBare $ do
hook <- preCommitHook
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."
unlessBare :: Annex () -> Annex ()
unlessBare a = do
g <- gitRepo
unless (Git.repoIsLocalBare g) a
preCommitHook :: Annex FilePath
preCommitHook = do
g <- gitRepo
return $ Git.gitDir g ++ "/hooks/pre-commit"
preCommitScript :: String
preCommitScript =
"#!/bin/sh\n" ++
"# automatically configured by git-annex\n" ++
"git annex pre-commit .\n"
|
