stub checksum backend

3 files changed, 20 insertions, 2 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
diff --git a/BackendFile.hs b/BackendFile.hs
index 324a4d8cd..dd6ff595a 100644
--- a/BackendFile.hs
+++ b/BackendFile.hs
@@ -21,4 +21,3 @@ moveToAnnex file key = return False
 
 copyFromOtherRepo :: IO Key -> FilePath -> IO (Bool)
 copyFromOtherRepo key file = return False
-
diff --git a/git-annex.hs b/git-annex.hs
index 556e0607e..cce49050b 100644
--- a/git-annex.hs
+++ b/git-annex.hs
@@ -8,8 +8,9 @@ import Annex
 
 -- When adding a new backend, import it here and add it to the backends list.
 import qualified BackendFile
+import qualified BackendChecksum
 import qualified BackendUrl
-backends = [BackendFile.backend, BackendUrl.backend]
+backends = [BackendFile.backend, BackendChecksum.backend, BackendUrl.backend]
 
 main = do
 	repo <- repoTop