55 lines
1.4 KiB
Haskell
55 lines
1.4 KiB
Haskell
{- git-annex command
|
|
-
|
|
- Copyright 2014 Joey Hess <id@joeyh.name>
|
|
-
|
|
- Licensed under the GNU GPL version 3 or higher.
|
|
-}
|
|
|
|
module Command.NumCopies where
|
|
|
|
import Common.Annex
|
|
import qualified Annex
|
|
import Command
|
|
import Config.NumCopies
|
|
import Types.Messages
|
|
|
|
cmd :: [Command]
|
|
cmd = [command "numcopies" paramNumber seek
|
|
SectionSetup "configure desired number of copies"]
|
|
|
|
seek :: 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 $ print $ 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
|