Function stdin_packs_read_input

builtin/pack-objects.c:3984–4069

}

static void stdin_packs_read_input(struct rev_info *revs,
				   enum stdin_packs_mode mode)
{
	struct strbuf buf = STRBUF_INIT;
	struct strmap packs = STRMAP_INIT;
	struct packed_git *p;

	while (strbuf_getline(&buf, stdin) != EOF) {
		struct stdin_pack_info *info;
		enum stdin_pack_info_kind kind = STDIN_PACK_INCLUDE;
		const char *key = buf.buf;

		if (!*key)
			continue;
		else if (*key == '^')
			kind = STDIN_PACK_EXCLUDE_CLOSED;
		else if (*key == '!' && mode == STDIN_PACKS_MODE_FOLLOW)
			kind = STDIN_PACK_EXCLUDE_OPEN;

		if (kind != STDIN_PACK_INCLUDE)
			key++;

		info = strmap_get(&packs, key);
		if (!info) {
			CALLOC_ARRAY(info, 1);
			strmap_put(&packs, key, info);
		}

		info->kind |= kind;

		strbuf_reset(&buf);
	}

	repo_for_each_pack(the_repository, p) {
		struct stdin_pack_info *info;

		info = strmap_get(&packs, pack_basename(p));
		if (!info)
			continue;

		if (info->kind & STDIN_PACK_INCLUDE) {
			if (exclude_promisor_objects && p->pack_promisor)
				die(_("packfile %s is a promisor but --exclude-promisor-objects was given"), p->pack_name);

			/*
			 * Arguments we got on stdin may not even be
			 * packs. First check that to avoid segfaulting
			 * later on in e.g.  pack_mtime_cmp(), excluded
			 * packs are handled below.
			 */
			if (!is_pack_valid(p))
				die(_("packfile %s cannot be accessed"), p->pack_name);
		}

		if (info->kind & STDIN_PACK_EXCLUDE_CLOSED) {
			/*
			 * Marking excluded packs as kept in-core so
			 * that later calls to add_object_entry()