Re: [PATCH 2/5] refs.c: write updates to packed refs when a transaction has more than one ref

> +	/*
> +	 * Always copy loose refs that are to be deleted to the packed refs.
> +	 * If we are updating multiple refs then copy all non symref refs
> +	 * to the packed refs too.
> +	 */
>  	for (i = 0; i < n; i++) {
>  		struct ref_update *update = updates[i];
>  		unsigned char sha1[20];
> +		int flag;
>  
>  		if (update->update_type != UPDATE_SHA1)
>  			continue;
> -		if (!is_null_sha1(update->new_sha1))
> +		if (num_updates < 2 && !is_null_sha1(update->new_sha1))
>  			continue;
>  		if (get_packed_ref(update->refname))
>  			continue;
>  		if (!resolve_ref_unsafe(update->refname, sha1,
> -					RESOLVE_REF_READING, NULL))
> +					RESOLVE_REF_READING, &flag))
> +			continue;
> +		if (flag & REF_ISSYMREF)
>  			continue;