)
'
+test_expect_success 'verify --[no-]ahead-behind with V2 format' '
+ git checkout master &&
+ test_when_finished "rm -rf sub_repo" &&
+ git clone . sub_repo &&
+ (
+ ## Confirm local master tracks remote master.
+ cd sub_repo &&
+ HUF=$(git rev-parse HEAD) &&
+
+ # Confirm --no-ahead-behind reports traditional branch.ab with 0/0 for equal branches.
+ cat >expect <<-EOF &&
+ # branch.oid $HUF
+ # branch.head master
+ # branch.upstream origin/master
+ # branch.ab +0 -0
+ EOF
+
+ git status --no-ahead-behind --porcelain=v2 --branch --untracked-files=all >actual &&
+ test_cmp expect actual &&
+
+ # Confirm --ahead-behind reports traditional branch.ab with 0/0.
+ cat >expect <<-EOF &&
+ # branch.oid $HUF
+ # branch.head master
+ # branch.upstream origin/master
+ # branch.ab +0 -0
+ EOF
+
+ git status --ahead-behind --porcelain=v2 --branch --untracked-files=all >actual &&
+ test_cmp expect actual &&
+
+ ## Test non-equal ahead/behind.
+ echo xyz >file_xyz &&
+ git add file_xyz &&
+ git commit -m xyz &&
+
+ HUF=$(git rev-parse HEAD) &&
+
+ # Confirm --no-ahead-behind reports branch.ab with ?/? for non-equal branches.
+ cat >expect <<-EOF &&
+ # branch.oid $HUF
+ # branch.head master
+ # branch.upstream origin/master
+ # branch.ab +? -?
+ EOF
+
+ git status --no-ahead-behind --porcelain=v2 --branch --untracked-files=all >actual &&
+ test_cmp expect actual &&
+
+ # Confirm --ahead-behind reports traditional branch.ab with 1/0.
+ cat >expect <<-EOF &&
+ # branch.oid $HUF
+ # branch.head master
+ # branch.upstream origin/master
+ # branch.ab +1 -0
+ EOF
+
+ git status --ahead-behind --porcelain=v2 --branch --untracked-files=all >actual &&
+ test_cmp expect actual
+ )
+'
+
test_expect_success 'create and add submodule, submodule appears clean (A. S...)' '
git checkout master &&
git clone . sub_repo &&