30 lines
887 B
Haskell
30 lines
887 B
Haskell
{- git-annex command
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-
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- Copyright 2014 Joey Hess <id@joeyh.name>
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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 Command.VFilter where
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import Command
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import Annex.View
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import Command.View (paramView, checkoutViewBranch)
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cmd :: Command
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cmd = notBareRepo $ notDirect $
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command "vfilter" SectionMetaData "filter current view"
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paramView (withParams seek)
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seek :: CmdParams -> CommandSeek
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seek = withWords start
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start :: [String] -> CommandStart
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start params = do
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showStart "vfilter" ""
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withCurrentView $ \view -> do
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let view' = filterView view $
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map parseViewParam $ reverse params
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next $ next $ if visibleViewSize view' > visibleViewSize view
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then error "That would add an additional level of directory structure to the view, rather than filtering it. If you want to do that, use vadd instead of vfilter."
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else checkoutViewBranch view' narrowView
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