Re: [PATCH] Fix in-index merge.

[Junio C Hamano <gitster@pobox.com>]

Junio C Hamano <gitster@pobox.com> writes:

> Here is a tentative fix on top of Miklos's two patches, even though I
> won't take them as-is until the test scripts are cleaned up.
>
>  t/t7605-merge-resolve.sh |    4 +++-
>  unpack-trees.c           |    2 ++
>  2 files changed, 5 insertions(+), 1 deletions(-)
>
> diff --git c/t/t7605-merge-resolve.sh w/t/t7605-merge-resolve.sh
> index ee21a10..be21ded 100755
> --- c/t/t7605-merge-resolve.sh
> +++ w/t/t7605-merge-resolve.sh
> @@ -36,7 +36,9 @@ test_expect_success 'merge c1 to c2' '
>  	git diff --exit-code &&
>  	test -f c0.c &&
>  	test -f c1.c &&
> -	test -f c2.c
> +	test -f c2.c &&
> +	test 3 = $(git ls-tree -r HEAD | wc -l) &&
> +	test 2 = $(git ls-files | wc -l)
>  '

Sorry, the last "2" should obviously be "3".  We are making sure all three
paths are included in the result.

>  
>  test_expect_success 'merge c2 to c3 (fails)' '
> diff --git c/unpack-trees.c w/unpack-trees.c
> index cba0aca..016fd46 100644
> --- c/unpack-trees.c
> +++ w/unpack-trees.c
> @@ -378,6 +378,8 @@ int unpack_trees(unsigned len, struct tree_desc *t, struct unpack_trees_options
>  	memset(&o->result, 0, sizeof(o->result));
>  	if (o->src_index)
>  		o->result.timestamp = o->src_index->timestamp;
> +	if (o->dst_index)
> +		o->result.alloc = xmalloc(1);
>  	o->merge_size = len;
>  
>  	if (!dfc)