Re: [PATCH v5 6/6] remove_subtree(): test removing nested directories

[Michael Haggerty <mhagger@alum.mit.edu>]

On 03/30/2017 05:32 AM, Daniel Ferreira wrote:
> Test removing a nested directory when an attempt is made to restore the
> index to a state where it does not exist. A similar test could be found
> previously in t/t2000-checkout-cache-clash.sh, but it did not check for
> nested directories, which could allow a faulty implementation of
> remove_subtree() pass the tests.
> 
> Signed-off-by: Daniel Ferreira <bnmvco@gmail.com>
> ---
>  t/t2000-checkout-cache-clash.sh | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/t/t2000-checkout-cache-clash.sh b/t/t2000-checkout-cache-clash.sh
> index de3edb5..ac10ba3 100755
> --- a/t/t2000-checkout-cache-clash.sh
> +++ b/t/t2000-checkout-cache-clash.sh
> @@ -57,4 +57,15 @@ test_expect_success SYMLINKS 'checkout-index -f twice with --prefix' '
>  	git checkout-index -a -f --prefix=there/
>  '
>  
> +test_expect_success 'git checkout-index -f should remove nested subtrees' '
> +	echo content >path &&
> +	git update-index --add path &&
> +	rm path &&
> +	mkdir -p path/with/nested/paths &&
> +	echo content >path/file1 &&
> +	echo content >path/with/nested/paths/file2 &&
> +	git checkout-index -f -a &&
> +	test ! -d path
> +'
> +
>  test_done
> 

It would be better for this patch to precede "remove_subtree():
reimplement using iterators", as a slightly better proof that the change
to using iterators doesn't change the behavior.

Michael