git-annex/Upgrade/V2.hs
Joey Hess 8b6c7bdbcc
filter out control characters in all other Messages
This does, as a side effect, make long notes in json output not
be indented. The indentation is only needed to offset them
underneath the display of the file they apply to, so that's ok.

Sponsored-by: Brock Spratlen on Patreon
2023-04-11 12:58:01 -04:00

150 lines
4.3 KiB
Haskell

{- git-annex v2 -> v3 upgrade support
-
- Copyright 2011 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
{-# LANGUAGE OverloadedStrings #-}
module Upgrade.V2 where
import Annex.Common
import Types.Upgrade
import qualified Git
import qualified Git.Command
import qualified Git.Ref
import qualified Annex.Branch
import qualified Annex
import Annex.Content
import Utility.Tmp
import Logs
import Messages.Progress
olddir :: Git.Repo -> FilePath
olddir g
| Git.repoIsLocalBare g = ""
| otherwise = ".git-annex"
{- .git-annex/ moved to a git-annex branch.
-
- Strategy:
-
- * Create the git-annex branch.
- * Find each location log file in .git-annex/, and inject its content
- into the git-annex branch, unioning with any content already in
- there. (in passing, this deals with the semi transition that left
- some location logs hashed two different ways; both are found and
- merged).
- * Also inject remote.log, trust.log, and uuid.log.
- * git rm -rf .git-annex
- * Remove stuff that used to be needed in .gitattributes.
- * Commit changes.
-}
upgrade :: Annex UpgradeResult
upgrade = do
showAction "v2 to v3"
bare <- fromRepo Git.repoIsLocalBare
old <- fromRepo olddir
Annex.Branch.create
showProgressDots
e <- liftIO $ doesDirectoryExist old
when e $ do
config <- Annex.getGitConfig
mapM_ (\(k, f) -> inject f $ fromRawFilePath $ locationLogFile config k) =<< locationLogs
mapM_ (\f -> inject f f) =<< logFiles old
saveState False
showProgressDots
when e $ do
inRepo $ Git.Command.run [Param "rm", Param "-r", Param "-f", Param "-q", File old]
unless bare $ inRepo gitAttributesUnWrite
showProgressDots
unless bare push
return UpgradeSuccess
locationLogs :: Annex [(Key, FilePath)]
locationLogs = do
config <- Annex.getGitConfig
dir <- fromRepo gitStateDir
liftIO $ do
levela <- dirContents dir
levelb <- mapM tryDirContents levela
files <- mapM tryDirContents (concat levelb)
return $ mapMaybe (islogfile config) (concat files)
where
tryDirContents d = catchDefaultIO [] $ dirContents d
islogfile config f = maybe Nothing (\k -> Just (k, f)) $
locationLogFileKey config (toRawFilePath f)
inject :: FilePath -> FilePath -> Annex ()
inject source dest = do
old <- fromRepo olddir
new <- liftIO (readFile $ old </> source)
Annex.Branch.change (Annex.Branch.RegardingUUID []) (toRawFilePath dest) $ \prev ->
encodeBL $ unlines $ nub $ lines (decodeBL prev) ++ lines new
logFiles :: FilePath -> Annex [FilePath]
logFiles dir = return . filter (".log" `isSuffixOf`)
<=< liftIO $ getDirectoryContents dir
push :: Annex ()
push = do
origin_master <- inRepo $ Git.Ref.exists $
Git.Ref $ encodeBS "origin/master"
origin_gitannex <- Annex.Branch.hasOrigin
case (origin_master, origin_gitannex) of
(_, True) -> do
-- Merge in the origin's git-annex branch,
-- so that pushing the git-annex branch
-- will immediately work. Not pushed here,
-- because it's less obnoxious to let the user
-- push.
void Annex.Branch.update
(True, False) -> do
-- push git-annex to origin, so that
-- "git push" will from then on
-- automatically push it
void Annex.Branch.update -- just in case
showAction "pushing new git-annex branch to origin"
showOutput
inRepo $ Git.Command.run
[ Param "push"
, Param "origin"
, Param $ Git.fromRef Annex.Branch.name
]
_ -> do
-- no origin exists, so just let the user
-- know about the new branch
void Annex.Branch.update
showLongNote $ UnquotedString $
"git-annex branch created\n" ++
"Be sure to push this branch when pushing to remotes.\n"
{- Old .gitattributes contents, not needed anymore. -}
attrLines :: [String]
attrLines =
[ stateDir </> "*.log merge=union"
, stateDir </> "*/*/*.log merge=union"
]
gitAttributesUnWrite :: Git.Repo -> IO ()
gitAttributesUnWrite repo = do
let attributes = fromRawFilePath (Git.attributes repo)
whenM (doesFileExist attributes) $ do
c <- readFileStrict attributes
liftIO $ viaTmp writeFile attributes $ unlines $
filter (`notElem` attrLines) $ lines c
Git.Command.run [Param "add", File attributes] repo
stateDir :: FilePath
stateDir = addTrailingPathSeparator ".git-annex"
gitStateDir :: Git.Repo -> FilePath
gitStateDir repo = addTrailingPathSeparator $
fromRawFilePath (Git.repoPath repo) </> stateDir