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|
{- git-annex command
-
- Copyright 2010 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Init where
import Control.Monad.State (liftIO)
import Control.Monad (when)
import System.Directory
import Command
import qualified Annex
import qualified GitRepo as Git
import UUID
import Version
import Messages
import Locations
import Types
seek :: [SubCmdSeek]
seek = [withString start]
{- Stores description for the repository etc. -}
start :: SubCmdStartString
start description = do
when (null description) $
error "please specify a description of this repository\n"
showStart "init" description
return $ Just $ perform description
perform :: String -> SubCmdPerform
perform description = do
g <- Annex.gitRepo
u <- getUUID g
describeUUID u description
setVersion
liftIO $ gitAttributesWrite g
gitPreCommitHookWrite g
return $ Just cleanup
cleanup :: SubCmdCleanup
cleanup = do
g <- Annex.gitRepo
logfile <- uuidLog
liftIO $ Git.run g ["add", logfile]
liftIO $ Git.run g ["commit", "-m", "git annex init", logfile]
return True
{- configure git to use union merge driver on state files, if it is not
- already -}
gitAttributesWrite :: Git.Repo -> IO ()
gitAttributesWrite repo = do
exists <- doesFileExist attributes
if not exists
then do
writeFile attributes $ attrLine ++ "\n"
commit
else do
content <- readFile attributes
when (all (/= attrLine) (lines content)) $ do
appendFile attributes $ attrLine ++ "\n"
commit
where
attributes = Git.attributes repo
commit = do
Git.run repo ["add", attributes]
Git.run repo ["commit", "-m", "git-annex setup",
attributes]
attrLine :: String
attrLine = stateLoc ++ "*.log merge=union"
{- 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
writeFile hook preCommitScript
p <- getPermissions hook
setPermissions hook $ p {executable = True}
where
hook = preCommitHook repo
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"
|
