Re: [PATCH 6/6] diff.c: detect blocks despite whitespace changes

> Reuse the compare function from the hash map instead of calling the
> compare function directly. Then we pick the correct compare function
> when told to compare ignoring white space.
>
> Signed-off-by: Stefan Beller <sbeller@google.com>
> ---
>  diff.c                     |  3 +--
>  t/t4015-diff-whitespace.sh | 65 ++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 66 insertions(+), 2 deletions(-)
>
> diff --git a/diff.c b/diff.c
> index 1d93e98e3a..4bcf938e3a 100644
> --- a/diff.c
> +++ b/diff.c
> @@ -903,8 +903,7 @@ static void mark_color_as_moved(struct diff_options *o,
>  			struct moved_entry *p = pmb[i];
>  			struct moved_entry *pnext = (p && p->next_line) ?
>  					p->next_line : NULL;
> -			if (pnext &&
> -			    !emitted_symbol_cmp(pnext->es, l, o)) {
> +			if (pnext && !hm->cmpfn(pnext, match, NULL)) {
>  				pmb[i] = p->next_line;
>  			} else {
>  				pmb[i] = NULL;