git-annex/Command/ReadPresentKey.hs
Joey Hess 53526136e8
move commandAction out of CmdLine.Seek
This is groundwork for nested seek loops, eg seeking over all files and
then performing commandActions on a list of remotes, which can be done
concurrently.

This commit was sponsored by Boyd Stephen Smith Jr. on Patreon.
2018-10-01 14:12:06 -04:00

31 lines
705 B
Haskell

{- git-annex command
-
- Copyright 2015 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Command.ReadPresentKey where
import Command
import Logs.Location
cmd :: Command
cmd = noCommit $
command "readpresentkey" SectionPlumbing
"read records of where key is present"
(paramPair paramKey paramUUID)
(withParams seek)
seek :: CmdParams -> CommandSeek
seek = withWords (commandAction . start)
start :: [String] -> CommandStart
start (ks:us:[]) = do
ls <- loggedLocations k
if toUUID us `elem` ls
then liftIO exitSuccess
else liftIO exitFailure
where
k = fromMaybe (giveup "bad key") (file2key ks)
start _ = giveup "Wrong number of parameters"