727223a229
Broken by commit 99a8a5297c, which made empty
preferred content strings match nothing, rather than everything.
41 lines
1.9 KiB
Haskell
41 lines
1.9 KiB
Haskell
{- git-annex standard repository groups
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-
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- Copyright 2012 Joey Hess <joey@kitenet.net>
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-
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- Licensed under the GNU GPL version 3 or higher.
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-}
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module Types.StandardGroups where
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data StandardGroup = ClientGroup | TransferGroup | BackupGroup | SmallArchiveGroup | FullArchiveGroup
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deriving (Eq, Ord, Enum, Bounded, Show)
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fromStandardGroup :: StandardGroup -> String
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fromStandardGroup ClientGroup = "client"
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fromStandardGroup TransferGroup = "transfer"
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fromStandardGroup BackupGroup = "backup"
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fromStandardGroup SmallArchiveGroup = "smallarchive"
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fromStandardGroup FullArchiveGroup = "archive"
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toStandardGroup :: String -> Maybe StandardGroup
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toStandardGroup "client" = Just ClientGroup
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toStandardGroup "transfer" = Just TransferGroup
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toStandardGroup "backup" = Just BackupGroup
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toStandardGroup "smallarchive" = Just SmallArchiveGroup
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toStandardGroup "archive" = Just FullArchiveGroup
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toStandardGroup _ = Nothing
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descStandardGroup :: StandardGroup -> String
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descStandardGroup ClientGroup = "client: a repository on your computer"
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descStandardGroup TransferGroup = "transfer: distributes files to clients"
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descStandardGroup BackupGroup = "backup: backs up all files"
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descStandardGroup SmallArchiveGroup = "small archive: archives files located in \"archive\" directories"
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descStandardGroup FullArchiveGroup = "full archive: archives all files not archived elsewhere"
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{- See doc/preferred_content.mdwn for explanations of these expressions. -}
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preferredContent :: StandardGroup -> String
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preferredContent ClientGroup = "exclude=*/archive/* and exclude=archive/*"
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preferredContent TransferGroup = "not (inallgroup=client and copies=client:2) and " ++ preferredContent ClientGroup
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preferredContent BackupGroup = "include=*"
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preferredContent SmallArchiveGroup = "(include=*/archive/* or include=archive/*) and " ++ preferredContent FullArchiveGroup
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preferredContent FullArchiveGroup = "not (copies=archive:1 or copies=smallarchive:1)"
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