test "$SHA" = "$(git rev-list HEAD)"
'
+test_expect_success 'setup_git_dir twice in subdir' '
+ git init sgd &&
+ (
+ cd sgd &&
+ git config alias.lsfi ls-files &&
+ mv .git .realgit &&
+ echo "gitdir: .realgit" >.git &&
+ mkdir subdir &&
+ cd subdir &&
+ >foo &&
+ git add foo &&
+ git lsfi >actual &&
+ echo foo >expected &&
+ test_cmp expected actual
+ )
+'
+
+test_expect_success 'enter_repo non-strict mode' '
+ test_create_repo enter_repo &&
+ (
+ cd enter_repo &&
+ test_tick &&
+ test_commit foo &&
+ mv .git .realgit &&
+ echo "gitdir: .realgit" >.git
+ ) &&
+ git ls-remote enter_repo >actual &&
+ cat >expected <<-\EOF &&
+ 946e985ab20de757ca5b872b16d64e92ff3803a9 HEAD
+ 946e985ab20de757ca5b872b16d64e92ff3803a9 refs/heads/master
+ 946e985ab20de757ca5b872b16d64e92ff3803a9 refs/tags/foo
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'enter_repo linked checkout' '
+ (
+ cd enter_repo &&
+ git worktree add ../foo refs/tags/foo
+ ) &&
+ git ls-remote foo >actual &&
+ cat >expected <<-\EOF &&
+ 946e985ab20de757ca5b872b16d64e92ff3803a9 HEAD
+ 946e985ab20de757ca5b872b16d64e92ff3803a9 refs/heads/master
+ 946e985ab20de757ca5b872b16d64e92ff3803a9 refs/tags/foo
+ EOF
+ test_cmp expected actual
+'
+
+test_expect_success 'enter_repo strict mode' '
+ git ls-remote --upload-pack="git upload-pack --strict" foo/.git >actual &&
+ cat >expected <<-\EOF &&
+ 946e985ab20de757ca5b872b16d64e92ff3803a9 HEAD
+ 946e985ab20de757ca5b872b16d64e92ff3803a9 refs/heads/master
+ 946e985ab20de757ca5b872b16d64e92ff3803a9 refs/tags/foo
+ EOF
+ test_cmp expected actual
+'
+
test_done