git-annex/Command/Ungroup.hs
Joey Hess 6f66b53a30
newtype Group to ByteString
This may speed up queries for things in groups, due to Eq and Ord being faster.
2019-01-09 15:05:49 -04:00

34 lines
801 B
Haskell

{- git-annex command
-
- Copyright 2012 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.Ungroup where
import Command
import qualified Remote
import Logs.Group
import Types.Group
import qualified Data.Set as S
cmd :: Command
cmd = command "ungroup" SectionSetup "remove a repository from a group"
(paramPair paramRemote paramDesc) (withParams seek)
seek :: CmdParams -> CommandSeek
seek = withWords (commandAction . start)
start :: [String] -> CommandStart
start (name:g:[]) = do
showStart' "ungroup" (Just name)
u <- Remote.nameToUUID name
next $ perform u (toGroup g)
start _ = giveup "Specify a repository and a group."
perform :: UUID -> Group -> CommandPerform
perform uuid g = do
groupChange uuid (S.delete g)
next $ return True