git-annex/Remote/Helper/Git.hs
Joey Hess b8016eeb65
add annex-proxied
This makes git-annex sync and similar not treat proxied remotes as git
syncable remotes.

Also, display in git-annex info remote when the remote is proxied.
2024-06-24 10:16:59 -04:00

70 lines
2.2 KiB
Haskell

{- Utilities for git remotes.
-
- Copyright 2011-2014 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Remote.Helper.Git where
import Annex.Common
import qualified Git
import qualified Git.GCrypt
import Types.Availability
import qualified Types.Remote as Remote
import qualified Utility.RawFilePath as R
import qualified Git.Config
import Data.Time.Clock.POSIX
import System.PosixCompat.Files (modificationTime)
repoCheap :: Git.Repo -> Bool
repoCheap = not . Git.repoIsUrl
localpathCalc :: Git.Repo -> Maybe FilePath
localpathCalc r
| not (Git.repoIsLocal r) && not (Git.repoIsLocalUnknown r) = Nothing
| otherwise = Just $ fromRawFilePath $ Git.repoPath r
{- Checks relatively inexpensively if a repository is available for use. -}
repoAvail :: Git.Repo -> Annex Availability
repoAvail r
| Git.repoIsHttp r = return GloballyAvailable
| Git.GCrypt.isEncrypted r = do
g <- gitRepo
liftIO $ do
er <- Git.GCrypt.encryptedRemote g r
if Git.repoIsLocal er || Git.repoIsLocalUnknown er
then checklocal er
else return GloballyAvailable
| Git.repoIsUrl r = return GloballyAvailable
| Git.repoIsLocalUnknown r = return Unavailable
| otherwise = checklocal r
where
checklocal r' = ifM (liftIO $ isJust <$> catchMaybeIO (Git.Config.read r'))
( return LocallyAvailable
, return Unavailable
)
{- Avoids performing an action on a local repository that's not usable.
- Does not check that the repository is still available on disk. -}
guardUsable :: Git.Repo -> Annex a -> Annex a -> Annex a
guardUsable r fallback a
| Git.repoIsLocalUnknown r = fallback
| otherwise = a
gitRepoInfo :: Remote -> Annex [(String, String)]
gitRepoInfo r = do
d <- fromRawFilePath <$> fromRepo Git.localGitDir
mtimes <- liftIO $ mapM (\p -> modificationTime <$> R.getFileStatus (toRawFilePath p))
=<< emptyWhenDoesNotExist (dirContentsRecursive (d </> "refs" </> "remotes" </> Remote.name r))
let lastsynctime = case mtimes of
[] -> "never"
_ -> show $ posixSecondsToUTCTime $ realToFrac $ maximum mtimes
repo <- Remote.getRepo r
return
[ ("repository location", Git.repoLocation repo)
, ("proxied", Git.Config.boolConfig
(remoteAnnexProxied (Remote.gitconfig r)))
, ("last synced", lastsynctime)
]