51 lines
1.6 KiB
Haskell
51 lines
1.6 KiB
Haskell
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{- git-annex command
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-
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- Copyright 2024 Joey Hess <id@joeyh.name>
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-
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- Licensed under the GNU AGPL version 3 or higher.
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-}
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{-# LANGUAGE OverloadedStrings #-}
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module Command.ExtendCluster where
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import Command
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import qualified Annex
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import Types.Cluster
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import Config
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import qualified Remote
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import qualified Data.Map as M
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cmd :: Command
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cmd = command "extendcluster" SectionSetup "add an gateway to a cluster"
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(paramPair paramRemote paramName) (withParams seek)
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seek :: CmdParams -> CommandSeek
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seek (remotename:clustername:[]) = Remote.byName (Just clusterremotename) >>= \case
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Just clusterremote ->
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case mkClusterUUID (Remote.uuid clusterremote) of
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Just cu -> commandAction $ start cu clustername
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Nothing -> giveup $ clusterremotename
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++ " is not a cluster remote."
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Nothing -> giveup $ "Expected to find a cluster remote named "
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++ clusterremotename
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++ " that is accessed via " ++ remotename
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++ ", but there is no such remote. Perhaps you need to"
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++ "git fetch from " ++ remotename
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++ ", or git-annex updatecluster needs to be run there?"
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where
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clusterremotename = remotename ++ "-" ++ clustername
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seek _ = giveup "Expected two parameters, gateway and clustername."
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start :: ClusterUUID -> String -> CommandStart
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start cu clustername = starting "extendcluster" ai si $ do
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myclusters <- annexClusters <$> Annex.getGitConfig
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unless (M.member clustername myclusters) $ do
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setConfig (annexConfig ("cluster." <> encodeBS clustername))
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(fromUUID (fromClusterUUID cu))
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next $ return True
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where
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ai = ActionItemOther (Just (UnquotedString clustername))
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si = SeekInput [clustername]
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