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|
{- git-annex command
-
- Copyright 2014 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.VCycle where
import Command
import Annex.View
import Types.View
import Logs.View
import Command.View (checkoutViewBranch)
cmd :: Command
cmd = notBareRepo $ notDirect $
command "vcycle" SectionMetaData
"switch view to next layout"
paramNothing (withParams seek)
seek :: CmdParams -> CommandSeek
seek = withNothing start
start ::CommandStart
start = go =<< currentView
where
go Nothing = giveup "Not in a view."
go (Just v) = do
showStart "vcycle" ""
let v' = v { viewComponents = vcycle [] (viewComponents v) }
if v == v'
then do
showNote "unchanged"
next $ next $ return True
else next $ next $ checkoutViewBranch v' narrowView
vcycle rest (c:cs)
| viewVisible c = rest ++ cs ++ [c]
| otherwise = vcycle (c:rest) cs
vcycle rest c = rest ++ c
|
