converted ContentLocation, ExampleKey, LookupKey

This commit is contained in:
Joey Hess 2015-07-11 20:43:45 -04:00
parent c6375a9158
commit fdcb54d4f2
5 changed files with 58 additions and 48 deletions

View file

@ -10,29 +10,42 @@ module CmdLine.Batch where
import Common.Annex
import Command
batchOption :: Option
batchOption = flagOption [] "batch" "enable batch mode"
data BatchMode = Batch | NoBatch
batchOption :: Parser BatchMode
batchOption = flag NoBatch Batch
( long "batch"
<> help "enable batch mode"
)
type Batchable t = BatchMode -> t -> CommandStart
-- A Batchable command can run in batch mode, or not.
-- In batch mode, one line at a time is read, parsed, and a reply output to
-- stdout. In non batch mode, the command's parameters are parsed and
-- a reply output for each.
batchable :: ((t -> CommandStart) -> CmdParams -> CommandSeek) -> Batchable t -> CmdParams -> CommandSeek
batchable seeker starter params = ifM (getOptionFlag batchOption)
( batchloop
, seeker (starter NoBatch) params
)
batchable :: (opts -> String -> Annex Bool) -> Parser opts -> CmdParamsDesc -> CommandParser
batchable handler parser paramdesc = batchseeker <$> batchparser
where
batchloop = do
batchparser = (,,)
<$> parser
<*> batchOption
<*> cmdParams paramdesc
batchseeker (opts, NoBatch, params) = mapM_ (go NoBatch opts) params
batchseeker (opts, Batch, _) = batchloop opts
batchloop opts = do
mp <- liftIO $ catchMaybeIO getLine
case mp of
Nothing -> return ()
Just p -> do
seeker (starter Batch) [p]
batchloop
go Batch opts p
batchloop opts
go batchmode opts p =
unlessM (handler opts p) $
batchBadInput batchmode
-- bad input is indicated by an empty line in batch mode. In non batch
-- mode, exit on bad input.