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-rw-r--r--Git/UpdateIndex.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/Git/UpdateIndex.hs b/Git/UpdateIndex.hs
index 5d07e2011..76fe0cce9 100644
--- a/Git/UpdateIndex.hs
+++ b/Git/UpdateIndex.hs
@@ -44,6 +44,7 @@ streamUpdateIndex repo as = pipeWrite params repo $ \h -> do
streamer h s = do
hPutStr h s
hPutStr h "\0"
+ hFlush h
{- A streamer that adds the current tree for a ref. Useful for eg, copying
- and modifying branches. -}