Function prepare_include_condition_pattern

config.c:199–236

}

static int prepare_include_condition_pattern(const struct key_value_info *kvi,
					     struct strbuf *pat,
					     size_t *out)
{
	struct strbuf path = STRBUF_INIT;
	char *expanded;
	size_t prefix = 0;

	expanded = interpolate_path(pat->buf, 1);
	if (expanded) {
		strbuf_reset(pat);
		strbuf_addstr(pat, expanded);
		free(expanded);
	}

	if (pat->buf[0] == '.' && is_dir_sep(pat->buf[1])) {
		const char *slash;

		if (!kvi || kvi->origin_type != CONFIG_ORIGIN_FILE)
			return error(_("relative config include "
				       "conditionals must come from files"));

		strbuf_realpath(&path, kvi->filename, 1);
		slash = find_last_dir_sep(path.buf);
		if (!slash)
			BUG("how is this possible?");
		strbuf_splice(pat, 0, 1, path.buf, slash - path.buf);
		prefix = slash - path.buf + 1 /* slash */;
	} else if (!is_absolute_path(pat->buf))
		strbuf_insertstr(pat, 0, "**/");

	add_trailing_starstar_for_dir(pat);

	*out = prefix;

	strbuf_release(&path);
	return 0;
}

static int include_by_gitdir(const struct key_value_info *kvi,
			     const struct config_options *opts,