97 lines
2.4 KiB
Haskell
97 lines
2.4 KiB
Haskell
{- 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 :: [CommandSeek]
|
|
seek = [withString start]
|
|
|
|
{- Stores description for the repository etc. -}
|
|
start :: CommandStartString
|
|
start description = do
|
|
when (null description) $
|
|
error "please specify a description of this repository\n"
|
|
showStart "init" description
|
|
return $ Just $ perform description
|
|
|
|
perform :: String -> CommandPerform
|
|
perform description = do
|
|
g <- Annex.gitRepo
|
|
u <- getUUID g
|
|
describeUUID u description
|
|
setVersion
|
|
liftIO $ gitAttributesWrite g
|
|
gitPreCommitHookWrite g
|
|
return $ Just cleanup
|
|
|
|
cleanup :: CommandCleanup
|
|
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"
|