rerere: avoid buffer overrun

diff --git a/t/t9300-fast-import.sh b/t/t9300-fast-import.sh
index d47560b6343db7006461259e4808837f3d35eecb..e4d06accc458191d0d52fe325b3118ac019e96c2 100755 (executable)
--- a/t/t9300-fast-import.sh
+++ b/t/t9300-fast-import.sh
@@ -876,7 +876,7 @@ test_expect_success 'L: verify internal tree sorting' '
        EXPECT_END
 
        git fast-import <input &&
-       git diff-tree --abbrev --raw L^ L >output &&
+       GIT_PRINT_SHA1_ELLIPSIS="yes" git diff-tree --abbrev --raw L^ L >output &&
        test_cmp expect output
 '