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{- git-annex command
-
- Copyright 2014-2021 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU AGPL version 3 or higher.
-}
module Command.NumCopies where
import Command
import Annex.NumCopies
cmd :: Command
cmd = noMessages $ command "numcopies" SectionSetup
"configure desired number of copies"
paramNumber (withParams seek)
seek :: CmdParams -> CommandSeek
seek = withWords (commandAction . start)
start :: [String] -> CommandStart
start = start' "numcopies" startGet startSet
start' :: String -> CommandStart -> (Int -> CommandStart) -> [String] -> CommandStart
start' _ startget _ [] = startget
start' setting _ startset [s] = case readish s of
Nothing -> giveup $ "Bad number: " ++ s
Just n
| n > 0 -> startset n
| n == 0 -> giveup $ "Cannot set " ++ setting ++ " to 0."
| otherwise -> giveup $ setting ++ " cannot be negative!"
start' _ _ _ _ = giveup "Specify a single number."
startGet :: CommandStart
startGet = startingCustomOutput (ActionItemOther Nothing) $ next $ do
v <- getGlobalNumCopies
case v of
Just n -> liftIO $ putStrLn $ show $ fromNumCopies n
Nothing -> do
liftIO $ putStrLn "global numcopies is not set"
old <- deprecatedNumCopies
case old of
Nothing -> liftIO $ putStrLn "(default is 1)"
Just n -> liftIO $ putStrLn $ "(deprecated git config annex.numcopies is set to " ++ show (fromNumCopies n) ++ " locally)"
return True
startSet :: Int -> CommandStart
startSet n = startingUsualMessages "numcopies" ai si $ do
setGlobalNumCopies $ configuredNumCopies n
next $ return True
where
ai = ActionItemOther (Just $ show n)
si = SeekInput [show n]
|
