Re: [PATCH 1/1] t3206-range-diff.sh: cover single-patch case

> From: Derrick Stolee <dstolee@microsoft.com>
>
> The commit 40ce4160 "format-patch: allow --range-diff to apply to
> a lone-patch" added the ability to see a range-diff as commentary
> after the commit message of a single patch series (i.e. [PATCH]
> instead of [PATCH X/N]). However, this functionality was not
> covered by a test case.
>
> Add a simple test case that checks that a range-diff is written as
> commentary to the patch.
>
> Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
> ---
>  t/t3206-range-diff.sh | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/t/t3206-range-diff.sh b/t/t3206-range-diff.sh
> index 3d7a2d8a4d..05ef3263d2 100755
> --- a/t/t3206-range-diff.sh
> +++ b/t/t3206-range-diff.sh
> @@ -154,4 +154,9 @@ do
>  	'
>  done
>  
> +test_expect_success 'format-patch --range-diff as commentary' '
> +	git format-patch --stdout --range-diff=HEAD~1 HEAD~1 >actual &&
> +	grep -A 1 -e "\-\-\-" actual | grep "Range-diff:"