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{- git-annex standard repository groups
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Types.StandardGroups where
data StandardGroup = ClientGroup | TransferGroup | ArchiveGroup | BackupGroup
deriving (Eq, Ord, Enum, Bounded, Show)
fromStandardGroup :: StandardGroup -> String
fromStandardGroup ClientGroup = "client"
fromStandardGroup TransferGroup = "transfer"
fromStandardGroup ArchiveGroup = "archive"
fromStandardGroup BackupGroup = "backup"
toStandardGroup :: String -> Maybe StandardGroup
toStandardGroup "client" = Just ClientGroup
toStandardGroup "transfer" = Just TransferGroup
toStandardGroup "archive" = Just ArchiveGroup
toStandardGroup "backup" = Just BackupGroup
toStandardGroup _ = Nothing
descStandardGroup :: StandardGroup -> String
descStandardGroup ClientGroup = "client: a repository on your computer"
descStandardGroup TransferGroup = "transfer: distributes files to clients"
descStandardGroup ArchiveGroup = "archive: collects files that are not archived elsewhere"
descStandardGroup BackupGroup = "backup: collects all files"
{- See doc/preferred_content.mdwn for explanations of these expressions. -}
preferredContent :: StandardGroup -> String
preferredContent ClientGroup = "exclude=*/archive/*"
preferredContent TransferGroup = "not (inallgroup=client and copies=client:2) and " ++ preferredContent ClientGroup
preferredContent ArchiveGroup = "not copies=archive:1"
preferredContent BackupGroup = "" -- all content is preferred
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