t7700: demonstrate repack flaw which may loosen objects unnecessarily

diff --git a/t/t7600-merge.sh b/t/t7600-merge.sh
index 94bc556cb2ad5dd56be2aaed82cec8e2edde7265..5abce3119bb2d0c0379b28d40b4919b8b0de0171 100755 (executable)
--- a/t/t7600-merge.sh
+++ b/t/t7600-merge.sh
@@ -507,4 +507,30 @@ test_expect_success 'in-index merge' '
 
 test_debug 'gitk --all'
 
+cat >expected <<EOF
+Merge branch 'c5' (early part)
+EOF
+
+test_expect_success 'merge early part of c2' '
+       git reset --hard c3 &&
+       echo c4 > c4.c &&
+       git add c4.c &&
+       git commit -m c4 &&
+       git tag c4 &&
+       echo c5 > c5.c &&
+       git add c5.c &&
+       git commit -m c5 &&
+       git tag c5 &&
+       git reset --hard c3 &&
+       echo c6 > c6.c &&
+       git add c6.c &&
+       git commit -m c6 &&
+       git tag c6 &&
+       git merge c5~1 &&
+       git show -s --pretty=format:%s HEAD > actual &&
+       test_cmp actual expected
+'
+
+test_debug 'gitk --all'
+
 test_done