diff options
Diffstat (limited to 'Commands.hs')
| -rw-r--r-- | Commands.hs | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/Commands.hs b/Commands.hs index 3e7447c5b..cb923d5e5 100644 --- a/Commands.hs +++ b/Commands.hs @@ -117,9 +117,9 @@ findWanted Description params _ = do parseCmd :: [String] -> AnnexState -> IO ([Annex ()], [Annex ()]) parseCmd argv state = do (flags, params) <- getopt - case (length params) of - 0 -> error usage - _ -> case (lookupCmd (params !! 0)) of + if (null params) + then error usage + else case (lookupCmd (params !! 0)) of [] -> error usage [Command _ action want _] -> do f <- findWanted want (drop 1 params) @@ -258,7 +258,7 @@ fixCmd file = inBackend file $ \(key, backend) -> do {- Stores description for the repository. -} initCmd :: String -> Annex () initCmd description = do - if (0 == length description) + if (null description) then error $ "please specify a description of this repository\n" ++ usage @@ -275,7 +275,7 @@ initCmd description = do fromKeyCmd :: FilePath -> Annex () fromKeyCmd file = do keyname <- Annex.flagGet "key" - if (0 == length keyname) + if (null keyname) then error "please specify the key with --key" else return () backends <- Backend.list |