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-rw-r--r--Remote/Helper/Messages.hs11
1 files changed, 8 insertions, 3 deletions
diff --git a/Remote/Helper/Messages.hs b/Remote/Helper/Messages.hs
index 30db70fbb..377f2d231 100644
--- a/Remote/Helper/Messages.hs
+++ b/Remote/Helper/Messages.hs
@@ -5,15 +5,14 @@
- Licensed under the GNU GPL version 3 or higher.
-}
+{-# LANGUAGE TypeSynonymInstances, FlexibleInstances #-}
+
module Remote.Helper.Messages where
import Common.Annex
import qualified Git
import qualified Types.Remote as Remote
-showChecking :: Git.Repo -> Annex ()
-showChecking r = showAction $ "checking " ++ Git.repoDescribe r
-
class Checkable a where
descCheckable :: a -> String
@@ -23,5 +22,11 @@ instance Checkable Git.Repo where
instance Checkable (Remote.RemoteA a) where
descCheckable = Remote.name
+instance Checkable String where
+ descCheckable = id
+
+showChecking :: Checkable a => a -> Annex ()
+showChecking v = showAction $ "checking " ++ descCheckable v
+
cantCheck :: Checkable a => a -> e
cantCheck v = error $ "unable to check " ++ descCheckable v