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-rw-r--r--Backend.hs5
1 files changed, 5 insertions, 0 deletions
diff --git a/Backend.hs b/Backend.hs
index 0ee56d262..4b0095214 100644
--- a/Backend.hs
+++ b/Backend.hs
@@ -24,6 +24,7 @@ module Backend (
removeKey,
hasKey,
fsckKey,
+ upgradableKey,
lookupFile,
chooseBackends,
keyBackend,
@@ -130,6 +131,10 @@ fsckKey backend key file numcopies = do
backend_ok <-(B.fsckKey backend) key file numcopies
return $ size_ok && backend_ok
+{- Checks if a key is upgradable to a newer representation. -}
+upgradableKey :: Backend Annex -> Key -> Annex Bool
+upgradableKey backend key = (B.upgradableKey backend) key
+
{- Looks up the key and backend corresponding to an annexed file,
- by examining what the file symlinks to. -}
lookupFile :: FilePath -> Annex (Maybe (Key, Backend Annex))