avoid progress bar for url download with --quiet

Annex/Content.hs

@@ -57,6 +57,7 @@ import Annex.Link
 import Annex.Content.Direct
 import Annex.ReplaceFile
 import Utility.LockFile
+import Messages.Progress
 
 {- Checks if a given key's content is currently present. -}
 inAnnex :: Key -> Annex Bool
@@ -555,12 +556,17 @@ saveState nocommit = doSideAction $ do
 downloadUrl :: [Url.URLString] -> FilePath -> Annex Bool
 downloadUrl urls file = go =<< annexWebDownloadCommand <$> Annex.getGitConfig
   where
-	go Nothing = Url.withUrlOptions $ \uo ->
+	go Nothing = do
-		anyM (\u -> Url.download u file uo) urls
+		a <- ifM commandProgressDisabled
-	go (Just basecmd) = liftIO $ anyM (downloadcmd basecmd) urls
+			( return Url.downloadQuiet
+			, return Url.download
+			)
+		Url.withUrlOptions $ \uo ->
+			anyM (\u -> a u file uo) urls
+	go (Just basecmd) = anyM (downloadcmd basecmd) urls
 	downloadcmd basecmd url =
-		boolSystem "sh" [Param "-c", Param $ gencmd url basecmd]
+		progressCommand stderr "sh" [Param "-c", Param $ gencmd url basecmd]
-			<&&> doesFileExist file
+			<&&> liftIO (doesFileExist file)
 	gencmd url = massReplace
 		[ ("%file", shellEscape file)
 		, ("%url", shellEscape url)

Messages/Progress.hs

@@ -49,20 +49,34 @@ showProgressDots :: Annex ()
 showProgressDots = handleMessage q $
 	flushed $ putStr "."
 
+{- Runs a command, that normally outputs progress to the specified handle.
+ -
+ - In quiet mode, normal output is suppressed. stderr is fed through the
+ - mkStderrEmitter. If the progress is output to stderr, then stderr is
+ - dropped, unless the command fails in which case the last line of output
+ - to stderr will be shown.
+ -}
+progressCommand :: Handle -> FilePath -> [CommandParam] -> Annex Bool
+progressCommand progresshandle cmd params = undefined
+
 mkProgressHandler :: MeterUpdate -> Annex ProgressHandler
 mkProgressHandler meter = ProgressHandler
-	<$> quietmode
+	<$> commandProgressDisabled
 	<*> (stderrhandler <$> mkStderrEmitter)
 	<*> pure meter
   where
-	quietmode = withOutputType $ \t -> return $ case t of
-		QuietOutput -> True
-		ProgressOutput -> True
-		_ -> False
 	stderrhandler emitter h = unlessM (hIsEOF h) $ do
 		void $ emitter =<< hGetLine h
 		stderrhandler emitter h
 
+{- Should commands that normally output progress messages have that
+ - output disabled? -}
+commandProgressDisabled :: Annex Bool
+commandProgressDisabled = withOutputType $ \t -> return $ case t of
+	QuietOutput -> True
+	ProgressOutput -> True
+	_ -> False
+
 {- Generates an IO action that can be used to emit stderr.
  -
  - When a progress meter is displayed, this takes care to avoid