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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.NumCopies where
import Command
import qualified Annex
import Annex.NumCopies
import Types.Messages
cmd :: Command
cmd = command "numcopies" SectionSetup
"configure desired number of copies"
paramNumber (withParams seek)
seek :: CmdParams -> CommandSeek
seek = withWords start
start :: [String] -> CommandStart
start [] = startGet
start [s] = case readish s of
Nothing -> error $ "Bad number: " ++ s
Just n
| n > 0 -> startSet n
| n == 0 -> ifM (Annex.getState Annex.force)
( startSet n
, error "Setting numcopies to 0 is very unsafe. You will lose data! If you really want to do that, specify --force."
)
| otherwise -> error "Number cannot be negative!"
start _ = error "Specify a single number."
startGet :: CommandStart
startGet = next $ next $ do
Annex.setOutput QuietOutput
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 = do
showStart "numcopies" (show n)
next $ next $ do
setGlobalNumCopies $ NumCopies n
return True
|
