Support hot-swapping of removable drives containing gcrypt repositories.
To support this, a core.gcrypt-id is stored by git-annex inside the git config of a local gcrypt repository, when setting it up. That is compared with the remote's cached gcrypt-id. When different, a drive has been changed. git-annex then looks up the remote config for the uuid mapped from the core.gcrypt-id, and tweaks the configuration appropriately. When there is no known config for the uuid, it will refuse to use the remote.
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@ -92,13 +92,13 @@ configRead r = do
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(False, _, NoUUID) -> tryGitConfigRead r
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_ -> return r
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gen :: Git.Repo -> UUID -> RemoteConfig -> RemoteGitConfig -> Annex Remote
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gen :: Git.Repo -> UUID -> RemoteConfig -> RemoteGitConfig -> Annex (Maybe Remote)
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gen r u c gc
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| Git.GCrypt.isEncrypted r = Remote.GCrypt.gen r u c gc
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| otherwise = go <$> remoteCost gc defcst
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where
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defcst = if repoCheap r then cheapRemoteCost else expensiveRemoteCost
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go cst = new
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go cst = Just new
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where
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new = Remote
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{ uuid = u
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