git-annex/Types/StandardGroups.hs
2013-03-16 12:09:22 -04:00

61 lines
2.7 KiB
Haskell

{- 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
| BackupGroup
| IncrementalBackupGroup
| SmallArchiveGroup
| FullArchiveGroup
| SourceGroup
| ManualGroup
deriving (Eq, Ord, Enum, Bounded, Show)
fromStandardGroup :: StandardGroup -> String
fromStandardGroup ClientGroup = "client"
fromStandardGroup TransferGroup = "transfer"
fromStandardGroup BackupGroup = "backup"
fromStandardGroup IncrementalBackupGroup = "incrementalbackup"
fromStandardGroup SmallArchiveGroup = "smallarchive"
fromStandardGroup FullArchiveGroup = "archive"
fromStandardGroup SourceGroup = "source"
fromStandardGroup ManualGroup = "manual"
toStandardGroup :: String -> Maybe StandardGroup
toStandardGroup "client" = Just ClientGroup
toStandardGroup "transfer" = Just TransferGroup
toStandardGroup "backup" = Just BackupGroup
toStandardGroup "incrementalbackup" = Just IncrementalBackupGroup
toStandardGroup "smallarchive" = Just SmallArchiveGroup
toStandardGroup "archive" = Just FullArchiveGroup
toStandardGroup "source" = Just SourceGroup
toStandardGroup "manual" = Just ManualGroup
toStandardGroup _ = Nothing
descStandardGroup :: StandardGroup -> String
descStandardGroup ClientGroup = "client: a repository on your computer"
descStandardGroup TransferGroup = "transfer: distributes files to clients"
descStandardGroup BackupGroup = "full backup: backs up all files"
descStandardGroup IncrementalBackupGroup = "incremental backup: backs up files not backed up elsewhere"
descStandardGroup SmallArchiveGroup = "small archive: archives files located in \"archive\" directories"
descStandardGroup FullArchiveGroup = "full archive: archives all files not archived elsewhere"
descStandardGroup SourceGroup = "file source: moves files on to other repositories"
descStandardGroup ManualGroup = "manual mode: only stores files you manually choose"
{- See doc/preferred_content.mdwn for explanations of these expressions. -}
preferredContent :: StandardGroup -> String
preferredContent ClientGroup = "exclude=*/archive/* and exclude=archive/*"
preferredContent TransferGroup = "not (inallgroup=client and copies=client:2) and " ++ preferredContent ClientGroup
preferredContent BackupGroup = "include=*"
preferredContent IncrementalBackupGroup = "include=* and (not copies=incrementalbackup:1)"
preferredContent SmallArchiveGroup = "(include=*/archive/* or include=archive/*) and " ++ preferredContent FullArchiveGroup
preferredContent FullArchiveGroup = "not (copies=archive:1 or copies=smallarchive:1)"
preferredContent SourceGroup = "not (copies=1)"
preferredContent ManualGroup = "present and exclude=*/archive/* and exclude=archive/*"