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-rw-r--r--Annex/Transfer.hs11
1 files changed, 9 insertions, 2 deletions
diff --git a/Annex/Transfer.hs b/Annex/Transfer.hs
index 213de0648..78ef0e502 100644
--- a/Annex/Transfer.hs
+++ b/Annex/Transfer.hs
@@ -46,10 +46,17 @@ noObserver :: TransferObserver
noObserver _ _ _ = noop
upload :: Observable v => UUID -> Key -> AssociatedFile -> RetryDecider -> TransferObserver -> (MeterUpdate -> Annex v) -> NotifyWitness -> Annex v
-upload u key f d o a _witness = runTransfer (Transfer Upload u key) f d o a
+upload u key f d o a _witness = guardHaveUUID u $
+ runTransfer (Transfer Upload u key) f d o a
download :: Observable v => UUID -> Key -> AssociatedFile -> RetryDecider -> TransferObserver -> (MeterUpdate -> Annex v) -> NotifyWitness -> Annex v
-download u key f d o a _witness = runTransfer (Transfer Download u key) f d o a
+download u key f d o a _witness = guardHaveUUID u $
+ runTransfer (Transfer Download u key) f d o a
+
+guardHaveUUID :: Observable v => UUID -> Annex v -> Annex v
+guardHaveUUID u a
+ | u == NoUUID = return observeFailure
+ | otherwise = a
{- Runs a transfer action. Creates and locks the lock file while the
- action is running, and stores info in the transfer information