Function bitmap_write

t/helper/test-bitmap.c:72–144

}

static int bitmap_write(const char *basename)
{
	struct packed_git *p = NULL;
	struct packing_data packed = { 0 };
	struct bitmap_writer writer;
	struct pack_idx_entry **index;
	struct strbuf buf = STRBUF_INIT;
	uint32_t i;

	prepare_repo_settings(the_repository);
	repo_for_each_pack(the_repository, p) {
		if (!strcmp(pack_basename(p), basename))
			break;
	}

	if (!p)
		die("could not find pack '%s'", basename);

	if (open_pack_index(p))
		die("cannot open pack index for '%s'", p->pack_name);

	prepare_packing_data(the_repository, &packed);

	for_each_object_in_pack(p, add_packed_object, &packed,
				ODB_FOR_EACH_OBJECT_PACK_ORDER);

	/*
	 * Build the index array now that data.packed.objects[] is
	 * fully allocated (packlist_alloc() may have reallocated it
	 * during the loop above).
	 */
	ALLOC_ARRAY(index, p->num_objects);
	for (i = 0; i < p->num_objects; i++)
		index[i] = &packed.objects[i].idx;

	bitmap_writer_init(&writer, the_repository, &packed, NULL);
	bitmap_writer_build_type_index(&writer, index);

	while (strbuf_getline_lf(&buf, stdin) != EOF) {
		struct object_id oid;
		struct commit *c;

		if (get_oid_hex(buf.buf, &oid))
			die("invalid OID: %s", buf.buf);

		c = lookup_commit(the_repository, &oid);
		if (!c || repo_parse_commit(the_repository, c))
			die("could not parse commit %s", buf.buf);

		bitmap_writer_push_commit(&writer, c, 0);
	}

	select_pseudo_merges(&writer);
	if (bitmap_writer_build(&writer) < 0)
		die("failed to build bitmaps");

	bitmap_writer_set_checksum(&writer, p->hash);