Re: [PATCH v5 1/5] t6006 (rev-list-format): don't hardcode SHA-1 in expected outputs

> The expected SHA-1 digests are always available in variables. Use
> them instead of hardcoding.
>
> Signed-off-by: Alexey Shumkin <Alex.Crezoff@gmail.com>
> ---
>  t/t6006-rev-list-format.sh | 142 +++++++++++++++++++++++++--------------------
>  1 file changed, 79 insertions(+), 63 deletions(-)
>
> diff --git a/t/t6006-rev-list-format.sh b/t/t6006-rev-list-format.sh
> index 0393c9f..d32e65e 100755
> --- a/t/t6006-rev-list-format.sh
> +++ b/t/t6006-rev-list-format.sh
> @@ -7,8 +7,21 @@ test_description='git rev-list --pretty=format test'
>  
>  test_tick
>  test_expect_success 'setup' '
> -touch foo && git add foo && git commit -m "added foo" &&
> -  echo changed >foo && git commit -a -m "changed foo"
> +	: >foo &&
> +	git add foo &&
> +	git commit -m "added foo" &&
> +	head1=$(git rev-parse --verify HEAD) &&
> +	head1_short=$(git rev-parse --short $head1) &&
> +	tree1=$(git cat-file commit HEAD | sed -n -e "s/^tree //p" -e "/^$/q") &&
> +	tree1_short=$(git rev-parse --short $tree1) &&
> +	echo changed >foo &&
> +	git commit -a -m "changed foo" &&
> +	head2=$(git rev-parse --verify HEAD) &&
> +	head2_short=$(git rev-parse --short $head2) &&
> +	head2_parent=$(git cat-file commit HEAD | sed -n -e "s/^parent //p" -e "/^$/q") &&
> +	head2_parent_short=$(git rev-parse --short $head2_parent) &&
> +	tree2=$(git cat-file commit HEAD | sed -n -e "s/^tree //p" -e "/^$/q") &&