diff options
Diffstat (limited to 'Remote.hs')
| -rw-r--r-- | Remote.hs | 40 |
1 files changed, 33 insertions, 7 deletions
@@ -6,12 +6,15 @@ -} module Remote ( + byName, + nameToUUID, keyPossibilities, remotesWithUUID, remotesWithoutUUID ) where import Control.Monad.State (liftIO) +import Control.Monad (when, liftM) import Data.List import RemoteClass @@ -21,6 +24,7 @@ import UUID import qualified Annex import Trust import LocationLog +import Messages {- add generators for new Remotes here -} generators :: [Annex [Remote Annex]] @@ -30,7 +34,9 @@ generators = [Remote.GitRemote.generate] - Since doing so can be expensive, the list is cached in the Annex. -} genList :: Annex [Remote Annex] genList = do - liftIO $ putStrLn "Remote.genList" + g <- Annex.gitRepo + u <- getUUID g + showNote $ "Remote.genList " ++ u rs <- Annex.getState Annex.remotes if null rs then do @@ -40,13 +46,24 @@ genList = do return rs' else return rs -{- Filters a list of remotes to ones that have the listed uuids. -} -remotesWithUUID :: [Remote Annex] -> [UUID] -> [Remote Annex] -remotesWithUUID rs us = filter (\r -> uuid r `elem` us) rs +{- Looks up a remote by name. (Or by UUID.) -} +byName :: String -> Annex (Remote Annex) +byName "" = error "no remote specified" +byName n = do + allremotes <- genList + let match = filter matching allremotes + when (null match) $ error $ + "there is no git remote named \"" ++ n ++ "\"" + return $ head match + where + matching r = n == name r || n == uuid r -{- Filters a list of remotes to ones that do not have the listed uuids. -} -remotesWithoutUUID :: [Remote Annex] -> [UUID] -> [Remote Annex] -remotesWithoutUUID rs us = filter (\r -> uuid r `notElem` us) rs +{- Looks up a remote by name (or by UUID), and returns its UUID. -} +nameToUUID :: String -> Annex UUID +nameToUUID "." = do -- special case for current repo + g <- Annex.gitRepo + getUUID g +nameToUUID n = liftM uuid (byName n) {- Cost ordered lists of remotes that the LocationLog indicate may have a key. - @@ -71,3 +88,12 @@ keyPossibilities key = do let validremotes = remotesWithUUID allremotes validuuids return (sort validremotes, validtrusteduuids) + +{- Filters a list of remotes to ones that have the listed uuids. -} +remotesWithUUID :: [Remote Annex] -> [UUID] -> [Remote Annex] +remotesWithUUID rs us = filter (\r -> uuid r `elem` us) rs + +{- Filters a list of remotes to ones that do not have the listed uuids. -} +remotesWithoutUUID :: [Remote Annex] -> [UUID] -> [Remote Annex] +remotesWithoutUUID rs us = filter (\r -> uuid r `notElem` us) rs + |