update-index: fix a memleak

diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index 8197ed29a9ecedb43679200f1485a7b50984fdff..a31f7e0430e107c1fbe036ce412d4466fa5bd2c2 100755 (executable)
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -1039,4 +1039,11 @@ test_expect_success 'short SHA-1 collide' '
        )
 '
 
+test_expect_success 'respect core.abbrev' '
+       git config core.abbrev 12 &&
+       set_cat_todo_editor &&
+       test_must_fail git rebase -i HEAD~4 >todo-list &&
+       test 4 = $(grep -c "pick [0-9a-f]\{12,\}" todo-list)
+'
+
 test_done