lstat_cache(): print a warning if doing ping-pong between cache types

diff --git a/t/t7600-merge.sh b/t/t7600-merge.sh
index 94bc556cb2ad5dd56be2aaed82cec8e2edde7265..e5b210bc960c8433d6758f3932a86647208297ef 100755 (executable)
--- a/t/t7600-merge.sh
+++ b/t/t7600-merge.sh
@@ -230,6 +230,10 @@ test_expect_success 'test option parsing' '
        test_must_fail git merge
 '
 
+test_expect_success 'reject non-strategy with a git-merge-foo name' '
+       test_must_fail git merge -s index c1
+'
+
 test_expect_success 'merge c0 with c1' '
        git reset --hard c0 &&
        git merge c1 &&
@@ -507,4 +511,53 @@ test_expect_success 'in-index merge' '
 
 test_debug 'gitk --all'
 
+test_expect_success 'refresh the index before merging' '
+       git reset --hard c1 &&
+       sleep 1 &&
+       touch file &&
+       git merge c3
+'
+
+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_expect_success 'merge --no-ff --no-commit && commit' '
+       git reset --hard c0 &&
+       git merge --no-ff --no-commit c1 &&
+       EDITOR=: git commit &&
+       verify_parents $c0 $c1
+'
+
+test_debug 'gitk --all'
+
+test_expect_success 'amending no-ff merge commit' '
+       EDITOR=: git commit --amend &&
+       verify_parents $c0 $c1
+'
+
+test_debug 'gitk --all'
+
 test_done