Re: [PATCH] commit-reach: parse commits in the given repository

> +test_expect_success 'setup for commit-graphs in superproject and submodule' '
> +       git init commit-graph &&
> +       (cd commit-graph &&
> +       git init sub &&
> +       for i in 1 2 3 4 5 6 7 8 9 10
> +       do
> +               test_commit -C sub "sub-$i" || return 1
> +       done &&
> +
> +       git -C sub checkout --detach sub-1 &&
> +       git add sub &&
> +       git commit -m base &&
> +
> +       # Write the commit-graph of the superproject while it only
> +       # contains a single commit. Any commit-graph position of the
> +       # submodule is thus out of bounds for the superproject.
> +       git commit-graph write --reachable &&
> +
> +       git checkout -b side &&
> +       git -C sub checkout --detach sub-5 &&
> +       git add sub &&
> +       git commit -m side &&
> +
> +       git checkout main &&
> +       git -C sub checkout --detach sub-10 &&
> +       git add sub &&
> +       git commit -m main &&
> +
> +       git -C sub commit-graph write --reachable)
> +'
> +
> +test_expect_success 'merge does not mix up superproject and submodule commit-graphs' '
> +       (cd commit-graph &&
> +       git merge side &&
> +       git rev-parse HEAD:sub >actual &&
> +       git -C sub rev-parse sub-10^{commit} >expect &&
> +       test_cmp expect actual)
> +'
> +
>  test_done