Function read_graft_line

commit.c:249–285

}

struct commit_graft *read_graft_line(struct strbuf *line)
{
	/* The format is just "Commit Parent1 Parent2 ...\n" */
	int i, phase;
	const char *tail = NULL;
	struct commit_graft *graft = NULL;
	struct object_id dummy_oid, *oid;

	strbuf_rtrim(line);
	if (!line->len || line->buf[0] == '#')
		return NULL;
	/*
	 * phase 0 verifies line, counts hashes in line and allocates graft
	 * phase 1 fills graft
	 */
	for (phase = 0; phase < 2; phase++) {
		oid = graft ? &graft->oid : &dummy_oid;
		if (parse_oid_hex(line->buf, oid, &tail))
			goto bad_graft_data;
		for (i = 0; *tail != '\0'; i++) {
			oid = graft ? &graft->parent[i] : &dummy_oid;
			if (!isspace(*tail++) || parse_oid_hex(tail, oid, &tail))
				goto bad_graft_data;
		}
		if (!graft) {
			graft = xmalloc(st_add(sizeof(*graft),
					       st_mult(sizeof(struct object_id), i)));
			graft->nr_parent = i;
		}
	}
	return graft;

bad_graft_data:
	error("bad graft data: %s", line->buf);
	assert(!graft);
	return NULL;
}

static int read_graft_file(struct repository *r, const char *graft_file)
{