git-annex/Command/VCycle.hs
Joey Hess 2478e9e03a
restage: New git-annex command, handles restaging unlocked files
This is much easier and less failure-prone than having the user run
git update-index --refresh themselves.

Sponsored-by: Dartmouth College's DANDI project
2022-09-23 16:29:59 -04:00

40 lines
953 B
Haskell

{- git-annex command
-
- Copyright 2014 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL 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 $
command "vcycle" SectionMetaData
"switch view to next layout"
paramNothing (withParams seek)
seek :: CmdParams -> CommandSeek
seek = withNothing (commandAction start)
start ::CommandStart
start = go =<< currentView
where
go Nothing = giveup "Not in a view."
go (Just v) = starting "vcycle" (ActionItemOther Nothing) (SeekInput []) $ do
let v' = v { viewComponents = vcycle [] (viewComponents v) }
if v == v'
then do
showNote "unchanged"
next $ return True
else next $ checkoutViewBranch v' narrowView
vcycle rest (c:cs)
| viewVisible c = rest ++ cs ++ [c]
| otherwise = vcycle (c:rest) cs
vcycle rest c = rest ++ c