add annex.dbdir (WIP)
WIP: This is mostly complete, but there is a problem: createDirectoryUnder throws an error when annex.dbdir is set to outside the git repo. annex.dbdir is a workaround for filesystems where sqlite does not work, due to eg, the filesystem not properly supporting locking. It's intended to be set before initializing the repository. Changing it in an existing repository can be done, but would be the same as making a new repository and moving all the annexed objects into it. While the databases get recreated from the git-annex branch in that situation, any information that is in the databases but not stored in the branch gets lost. It may be that no information ever gets stored in the databases that cannot be reconstructed from the branch, but I have not verified that. Sponsored-by: Dartmouth College's Datalad project
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26 changed files with 152 additions and 104 deletions
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@ -10,6 +10,7 @@
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module Database.Init where
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import Annex.Common
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import qualified Annex
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import Annex.Perms
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import Utility.FileMode
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import Utility.Directory.Create
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@ -34,7 +35,10 @@ initDb db migration = do
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let tmpdbdir = dbdir <> ".tmp"
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let tmpdb = tmpdbdir P.</> "db"
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let tdb = T.pack (fromRawFilePath tmpdb)
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top <- parentDir <$> fromRepo gitAnnexDir
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gc <- Annex.getGitConfig
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top <- case annexDbDir gc of
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Just topdbdir -> pure $ parentDir $ topdbdir
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Nothing -> parentDir <$> fromRepo gitAnnexDir
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liftIO $ do
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createDirectoryUnder top tmpdbdir
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runSqliteInfo (enableWAL tdb) migration
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