stub checksum backend

1 files changed, 18 insertions, 0 deletions

diff --git a/BackendChecksum.hs b/BackendChecksum.hs
new file mode 100644
index 000000000..267f8099c
--- /dev/null
+++ b/BackendChecksum.hs
@@ -0,0 +1,18 @@
+{- git-annex "checksum" backend
+ - -}
+
+module BackendChecksum (backend) where
+
+import Backend
+import qualified BackendFile
+import Data.Digest.Pure.SHA
+
+-- based on BackendFile just with a different key type
+backend = BackendFile.backend {
+	name = "checksum",
+	getKey = keyValue
+}
+
+-- 
+keyValue :: FilePath -> IO (Maybe Key)
+keyValue k = error "unimplemented" -- TODO