addurl --file: When used with a special remote that claims urls and checks their contents, don't override the user's provided filename with filenames that the special remote suggests. Also, don't allow adding the url if the special remote says it contains multiple files.

1 files changed, 30 insertions, 19 deletions

diff --git a/Command/AddUrl.hs b/Command/AddUrl.hs
index f8a4ca59b..ab6b9b8df 100644
--- a/Command/AddUrl.hs
+++ b/Command/AddUrl.hs
@@ -64,25 +64,36 @@ seek us = do
 		r <- Remote.claimingUrl u
 		if Remote.uuid r == webUUID || raw
 			then void $ commandAction $ startWeb relaxed optfile pathdepth u
-			else do
-				pathmax <- liftIO $ fileNameLengthLimit "."
-				let deffile = fromMaybe (urlString2file u pathdepth pathmax) optfile
-				res <- tryNonAsync $ maybe
-					(error $ "unable to checkUrl of " ++ Remote.name r)
-					(flip id u)
-					(Remote.checkUrl r)
-				case res of
-					Left e -> void $ commandAction $ do
-						showStart "addurl" u
-						warning (show e)
-						next $ next $ return False
-					Right (UrlContents sz mf) -> do
-						void $ commandAction $
-							startRemote r relaxed (maybe deffile fromSafeFilePath mf) u sz
-					Right (UrlMulti l) ->
-						forM_ l $ \(u', sz, f) ->
-							void $ commandAction $
-								startRemote r relaxed (deffile </> fromSafeFilePath f) u' sz
+			else checkUrl r u optfile relaxed raw pathdepth
+
+checkUrl :: Remote -> URLString -> Maybe FilePath -> Bool -> Bool -> Maybe Int -> Annex ()
+checkUrl r u optfile relaxed raw pathdepth = do
+	pathmax <- liftIO $ fileNameLengthLimit "."
+	let deffile = fromMaybe (urlString2file u pathdepth pathmax) optfile
+	go deffile =<< maybe
+		(error $ "unable to checkUrl of " ++ Remote.name r)
+		(tryNonAsync . flip id u)
+		(Remote.checkUrl r)
+  where
+
+	go _ (Left e) = void $ commandAction $ do
+		showStart "addurl" u
+		warning (show e)
+		next $ next $ return False
+	go deffile (Right (UrlContents sz mf)) = do
+		let f = fromMaybe (maybe deffile fromSafeFilePath mf) optfile
+		void $ commandAction $
+			startRemote r relaxed f u sz
+	go deffile (Right (UrlMulti l))
+		| isNothing optfile =
+			forM_ l $ \(u', sz, f) ->
+				void $ commandAction $
+					startRemote r relaxed (deffile </> fromSafeFilePath f) u' sz
+		| otherwise = error $ unwords
+			[ "That url contains multiple files according to the"
+			, Remote.name r
+			, " remote; cannot add it to a single file."
+			]
 
 startRemote :: Remote -> Bool -> FilePath -> URLString -> Maybe Integer -> CommandStart
 startRemote r relaxed file uri sz = do