Re: [PATCH v6] diff: add config option relative

> The `diff.relative` boolean option set to `true` shows only changes in
> the current directory/value specified by the `path` argument of the
> `relative` option and shows pathnames relative to the aforementioned
> directory.
>
> Teach --no-relative to override earlier --relative
>
> Signed-off-by: Laurent Arnoud <laurent@spkdev.net>
> ---
> diff --git a/t/t4014-format-patch.sh b/t/t4014-format-patch.sh
> @@ -86,4 +87,79 @@ do
> +check_diff_relative_option () {
> +       dir=$1
> +       shift
> +       expect=$1
> +       shift
> +       relative_opt=$1
> +       shift
> +       test_expect_success "config diff.relative $relative_opt -p $*" "
> +               short_blob=$(git rev-parse --short "$blob_file2") &&

> +               cat >expected <<-EOF &&
> +               diff --git a/$expect b/$expect
> +               new file mode 100644
> +               index 0000000..\$short_blob
> +               --- /dev/null
> +               +++ b/$expect
> +               @@ -0,0 +1 @@
> +               +other content
> +               EOF
> +               test_config -C $dir diff.relative $relative_opt &&
> +               git -C '$dir' diff -p $* HEAD^ >actual &&
> +               test_cmp expected actual
> +       "
> +}