5cfcf1f05f
Unlikely to speed up any of the existing uses much, but I want to use it in a message that might be displayed many times.
57 lines
1.9 KiB
Haskell
57 lines
1.9 KiB
Haskell
{- git-annex command
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-
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- Copyright 2019 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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module Command.RenameRemote where
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import Command
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import qualified Annex.SpecialRemote
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import Annex.SpecialRemote.Config (nameField, sameasNameField)
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import qualified Logs.Remote
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import qualified Types.Remote as R
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import qualified Remote
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import Types.ProposedAccepted
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import qualified Data.Map as M
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cmd :: Command
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cmd = command "renameremote" SectionSetup
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"changes name of special remote"
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(paramPair paramName paramName)
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(withParams seek)
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seek :: CmdParams -> CommandSeek
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seek = withWords (commandAction . start)
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start :: [String] -> CommandStart
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start ps@(oldname:newname:[]) = Annex.SpecialRemote.findExisting oldname >>= \case
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Just (u, cfg, mcu) -> Annex.SpecialRemote.findExisting newname >>= \case
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Just _ -> giveup $ "The name " ++ newname ++ " is already used by a special remote."
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Nothing -> go u cfg mcu
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-- Support lookup by uuid or description as well as remote name,
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-- as a fallback when there is nothing with the name in the
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-- special remote log.
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Nothing -> Remote.nameToUUID' oldname >>= \case
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Left e -> giveup e
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Right u -> do
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m <- Logs.Remote.remoteConfigMap
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case M.lookup u m of
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Nothing -> giveup "That is not a special remote."
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Just cfg -> go u cfg Nothing
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where
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ai = ActionItemOther Nothing
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si = SeekInput ps
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go u cfg mcu = starting "rename" ai si $ perform u cfg mcu newname
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start _ = giveup "Specify an old name (or uuid or description) and a new name."
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perform :: UUID -> R.RemoteConfig -> Maybe (Annex.SpecialRemote.ConfigFrom UUID) -> String -> CommandPerform
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perform u cfg mcu newname = do
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let (namefield, cu) = case mcu of
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Nothing -> (nameField, u)
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Just (Annex.SpecialRemote.ConfigFrom u') -> (sameasNameField, u')
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Logs.Remote.configSet cu (M.insert namefield (Proposed newname) cfg)
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next $ return True
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