Function parse_pathspec

pathspec.c:595–685

}

void parse_pathspec(struct pathspec *pathspec,
		    unsigned magic_mask, unsigned flags,
		    const char *prefix, const char **argv)
{
	struct pathspec_item *item;
	const char *entry = argv ? *argv : NULL;
	int i, n, prefixlen, nr_exclude = 0;

	memset(pathspec, 0, sizeof(*pathspec));

	if (flags & PATHSPEC_MAXDEPTH_VALID)
		pathspec->magic |= PATHSPEC_MAXDEPTH;

	/* No arguments, no prefix -> no pathspec */
	if (!entry && !prefix)
		return;

	if ((flags & PATHSPEC_PREFER_CWD) &&
	    (flags & PATHSPEC_PREFER_FULL))
		BUG("PATHSPEC_PREFER_CWD and PATHSPEC_PREFER_FULL are incompatible");

	if ((flags & PATHSPEC_NO_REPOSITORY) &&
	    (~magic_mask & (PATHSPEC_ATTR | PATHSPEC_FROMTOP)))
		BUG("PATHSPEC_NO_REPOSITORY is incompatible with PATHSPEC_ATTR and PATHSPEC_FROMTOP");

	/* No arguments with prefix -> prefix pathspec */
	if (!entry) {
		if (flags & PATHSPEC_PREFER_FULL)
			return;

		if (!(flags & PATHSPEC_PREFER_CWD))
			BUG("PATHSPEC_PREFER_CWD requires arguments");

		pathspec->items = CALLOC_ARRAY(item, 1);
		item->match = xstrdup(prefix);
		item->original = xstrdup(prefix);
		item->nowildcard_len = item->len = strlen(prefix);
		item->prefix = item->len;
		pathspec->nr = 1;
		return;
	}

	n = 0;
	while (argv[n]) {
		if (*argv[n] == '\0')
			die("empty string is not a valid pathspec. "
				  "please use . instead if you meant to match all paths");
		n++;
	}

	pathspec->nr = n;
	ALLOC_ARRAY(pathspec->items, n + 1);
	item = pathspec->items;
	prefixlen = prefix ? strlen(prefix) : 0;

	for (i = 0; i < n; i++) {
		entry = argv[i];