git-annex/Command/RegisterUrl.hs
2016-01-20 13:43:58 -04:00

58 lines
1.4 KiB
Haskell

{- git-annex command
-
- Copyright 2015 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE BangPatterns #-}
module Command.RegisterUrl where
import Common.Annex
import Command
import Logs.Web
import Command.FromKey (mkKey)
import qualified Remote
cmd :: Command
cmd = notDirect $ notBareRepo $
command "registerurl"
SectionPlumbing "registers an url for a key"
(paramPair paramKey paramUrl)
(withParams seek)
seek :: CmdParams -> CommandSeek
seek = withWords start
start :: [String] -> CommandStart
start (keyname:url:[]) = do
let key = mkKey keyname
showStart "registerurl" url
next $ perform key url
start [] = do
showStart "registerurl" "stdin"
next massAdd
start _ = error "specify a key and an url"
massAdd :: CommandPerform
massAdd = go True =<< map (separate (== ' ')) . lines <$> liftIO getContents
where
go status [] = next $ return status
go status ((keyname,u):rest) | not (null keyname) && not (null u) = do
let key = mkKey keyname
ok <- perform' key u
let !status' = status && ok
go status' rest
go _ _ = error "Expected pairs of key and url on stdin, but got something else."
perform :: Key -> URLString -> CommandPerform
perform key url = do
ok <- perform' key url
next $ return ok
perform' :: Key -> URLString -> Annex Bool
perform' key url = do
r <- Remote.claimingUrl url
setUrlPresent (Remote.uuid r) key (setDownloader' url r)
return True