Re: [PATCH v8 7/9] blame: add a fingerprint heuristic to match ignored lines

> diff --git a/t/t8014-blame-ignore-fuzzy.sh b/t/t8014-blame-ignore-fuzzy.sh
> new file mode 100755
> index 000000000000..1d8fa1da74c9
> --- /dev/null
> +++ b/t/t8014-blame-ignore-fuzzy.sh

> +for i in $(test_seq 2 $last_test); do
> +	eval title="\$title$i"
> +	test_expect_success "$title" \
> +	"git blame -M9 --ignore-rev $IGNOREME $i | sed -e \"$pick_author\" >actual && test_cmp expected$i actual"
> +done
> +
> +# This invoked a null pointer dereference when the chunk callback was called
> +# with a zero length parent chunk and there were no more suspects.
> +test_expect_success 'Diff chunks with no suspects' '
> +	test_write_lines xy1 A B C xy1 >file &&
> +	git add file &&
> +	test_tick &&
> +	GIT_AUTHOR_NAME=1 git commit -m 1 &&
> +
> +	test_write_lines xy2 A B xy2 C xy2 >file &&
> +	git add file &&
> +	test_tick &&
> +	GIT_AUTHOR_NAME=2 git commit -m 2 &&
> +	REV_2=$(git rev-parse HEAD) &&
> +
> +	test_write_lines xy3 A >file &&
> +	git add file &&
> +	test_tick &&
> +	GIT_AUTHOR_NAME=3 git commit -m 3 &&
> +	REV_3=$(git rev-parse HEAD) &&
> +
> +	test_write_lines 1 1 >expected &&
> +
> +	git blame --ignore-rev $REV_2 --ignore-rev $REV_3 file | sed -e "$pick_author" >actual &&